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Godzilla Threshold
Giant Monster problem? Who you gonna call?
Tokusatsu 2: Revenge of the Kaiju by Larry T. Quach

Let them fight.
Dr. Ishiro Serizawa, Godzilla (2014)

There are some situations so bad that anything that would end them is justified. Anything.

There is wisdom in facing a threat with a proportionate response. Sure, There Is No Kill Like Overkill, but it'll likely cause a lot of avoidable collateral damage, and it'll guarantee that tomorrow the next threat is stronger. But there are times when the threat is so great and things have gone so horribly wrong that there is no proportionate response. Times so dire that it justifies the use of any and every thing that might solve it, no matter how crazy, nonsensical, or horrific, regardless of cost. Times when even the summoning of Godzilla, king of the monsters and patron saint of collateral damage, could not possibly make the crisis any worse.

When such a time comes, the situation has crossed the Godzilla Threshold.

Once the Threshold is crossed, any plan, with even the smallest possibility of success, no matter how ludicrous, impossible, dangerous or abhorrent, suddenly becomes a valid option. This serves both narrative and authorial purposes. Suppose the heroes have an awesome weapon that nonetheless causes a lot of property damage, like a Kill Sat, or a captured or dormant monster. Or one knows a Dangerous Forbidden Technique that will put his life at risk. Or the only ones left who are in a position to try and save the day are the Ragtag Bunch of Misfits who've been bumbling their way in the background the whole time. The powers that be have to use it, but it can't be done lightly without portraying them as either careless or cruel. So the author contrives to make the situation call for its use in such clear terms the audience understands this was done as a last resort — and, if it's handled properly, the audience doesn't even notice.

Often, the threshold is engineered. If done wrong, it can cause some serious Fridge Logic. This is usually the case when the heroes' actions or failures to act cause the situation to cross the threshold. Usually, there's an Idiot Ball (or Idiot Plot), a General Ripper, or Poor Communication Kills to thank for that.

Some plots center around avoiding the Godzilla Threshold and keeping the trigger happy person in charge of the "failsafe" from pushing the button. Sometimes, they even succeed.

The Godzilla Threshold is what happens just before the Willfully Weak character gives the "World of Cardboard" Speech and turns the Power Limiter off, uses the Forbidden Chekhov's Gun, uses lethal powers, turns to the Nuclear Option, or casts Summon Bigger Fish. When begged, the All-Powerful Bystander may even be willing to lend a hand. In video games, this is the time to use items that are Too Awesome to Use.

Note that, as the Real Life section below attempts to show, using such options tends to create more problems; if the solution ultimately causes more/worse problems than you had before, you may have a case of Pyrrhic Victory. Nice Job Breaking It, Hero and Won the War, Lost the Peace can be related in larger-scale stories. Of course, these only apply when the consequences are actually shown to begin with — if they pull it off without problems, you may have an Informed Flaw.

Named for the Godzilla films of the late 1980s and 1990s, where Godzilla was evil again (in contrast to his heroic characterizations during the '60s and '70s), but people were still happier to see him because he was usually fighting something far worse.

Compare Lesser of Two Evils (which Godzilla Threshold could be a subtrope of), and Enemy Mine, for situations where it may be useful to team up with a lesser foe to combat a far greater mutual threat. Also compare The Tyson Zone, Disproportionate Retribution, and Evil Versus Oblivion (where the "Godzilla" of the situation is likely to be the "Evil"). Contrast The Unfettered, who lives and acts as though the situation is always past the Threshold, even when there's no good reason to do so. On the other axis is Once is Not Enough, where a character clings to their limits even when they should be beating down the villain with everything they have, and usually pays for it. Subtropes include Batman Grabs a Gun.

Examples

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    Anime and Manga 
  • Medaka Box: Medaka Kurokami is known for her overflowing love and reaching out to save everyone. Beat her unconscious day after day and she won't resist or resent you. Try to kill her friends and she'll save you from them if need be. But if you're powerful and very determined, you'll find even she has a Godzilla Threshold...and if you cross it, she'll set aside her kindness and learning and humanity so as to not sully them with your blood, and then you will learn why her name is "Dark God".
  • Anything that justifies unleashing the Dirty Pair on a situation.
    • Lampshaded in Adam Warren's original Amerimanga miniseries, Biohazard, by an official leaving a memo about their impending arrival. (For the record, they do, indeed, stop anyone from deliberately releasing a bioweapon. But one canister they were trying to bring as evidence survives an explosion and — accidentally — drops onto the planet in the last panel.)
      Director Goldin: However, despite their —ahh— shortcomings... the facts are simple. If the terrorists do release experimental bioweapons, this planet will become a sterile desert. Whereas, with the involvement of the Dirty Pair, there is a chance — a remote possiblity — that some people may be left alive. We have to play the odds, gentlemen... God help us.
    • Those two probably count as a bioweapon by themselves.
  • In Tenchi Muyo! In Love, this happens when the characters are discussing using a particular superweapon that is designed to destroy galaxies and galactic clusters on a being that is maybe 30 ft tall (but extremely powerful). At the beginning of the movie, it's a non option, but by the end things are so bad that they use it anyway, albeit with a huge setup.
  • Slayers crosses the threshold in three Big Bad situations, just before Lina lets fly with a Giga Slave. Said spell carries a significant risk of ENDING THE UNIVERSE should Lina Inverse lose control of it.
    • Arguably, given Lina's tendency towards collateral damage, anyone asking for Lina's aid in a populated area also likely qualifies.
  • Releasing the last of Alucard's magic restraints in the final arc of Hellsing is only done after London is overran by baby-eating vampire/werewolf Nazi super-soldiers and fanatical Catholic secret service armies. The results, while utterly horrifying (essentially feeding nearly the entirety of London's population's souls, human or otherwise, to Alucard) cannot be argued with.
  • Humanity in Gunbuster, once they realized that the Space Monsters were coming to Sol, famously resorted to transforming Jupiter into a Moon-sized Black Hole Bomb as part of Operation Carneades: piloting said bomb into the center of the Milky Way, where they would hit the Button. The result was a monstrous implosion that consumed the entire Galactic Core, along with roughly 65% of the Galaxy.
  • In the sequel, DieBuster with Nono (Buster Machine No.7) gone, the only hope humanity had to defeat the last Space Monster was to use the Earth itself as a weapon.
  • It's said on several occasions in Neon Genesis Evangelion that the Angel attacks had pushed humanity's situation past the Godzilla Threshold, necessitating the use of the Eva units. Of course, the reality of the situation is not so simple.
    • Misato lampshades this near the end of the series when she says, "Attempting to harness the engine of our own destruction... only humans are so foolish."
    • The JSSDF only authorized the deployment of the Evas when Sachiel took an N2 mine to the face and survived. After the first three Angels, they even funded the construction of their own nuclear-powered Humongous Mecha.
  • In One Piece, the Buster Call is a villainous version of this. When a situation is so threatening to the World Government that even the slightest leak would cause irreparable damage, the Buster Call is summoned. Ten massive warships essentially glass the target island, wiping out any trace of whatever threat they were called to deal with. They can't be called off, either.
    • The blueprints for Pluton, passed down through a line of shipwrights. To explain, Pluton is a legendary battleship that could wipe out whole islands in a single shot, one of three relics from a long-lost civilization. So why do the blueprints exist? Because the weapons are still out there, and if some idiot were to find and unleash them, an opposing power would be needed. During the Enies Lobby arc, Franky burns the blueprints, claiming that it would be too dangerous to let them exist if Spandam was going to keep seeking them out. Plus, he just found out that Nico Robin, the only scholar who can decipher the ancient records to find the weapon was less a Woobie, Destroyer of Worlds and more a Broken Bird. It was a gamble, to be sure, as Spandam could just use Robin to get Pluton, but Franky was betting on the Straw Hats saving her from the World Government.
      • The Fishman Island Arc shows in action the second of the superweapons, Poseidon: a mermaid of the royal bloodline with the power of commanding Sea Kings, that are sea monsters capable of sinking islands with ease (at least the bigger ones). Thankfully, Shirahoshi, the current holder of this power, is too nice to actually use it, and there's a whole army ready to do anything to avoid Shirahoshi having to use said power in combat.
    • This also occurs in the Impel Down arc. By the time the arc is in full swing, two groups of people are on the attack while trying to break out of the prison and another group is trying to break in. With two of those groups containing people only Magellan himself is capable of stopping and one being a Zerg Rush, Magellan gambles and releases Shiryu, a former Warden that was put on death row due to being severely Ax-Crazy, thinking that Shiryu might stop some of the prisoners. This severely bites Magellan in the ass later, as Shiryu later saves Blackbeard from being poisoned and joins Blackbeard's crew, which leads to Magellan receiving a massive beating at their hands offscreen. It didn't even do anything to help stop the jailbreaks.
    • In the Fishman Island Arc, when Hordy Jones reveals more and more of who he is and what he plans to do, the citizens eventually turn to calling on Luffy to stop him. What makes this a Godzilla Threshold is that their resident soothsayer, who is never, ever wrong, predicted that Luffy would destroy all of Fishman Island, not to mention Luffy being an extremely notorious pirate. They still decided that they would be better off with him than Hordy.
  • Bleach:
    • Yamamoto's power is only unleashed when the Godzilla Threshold is crossed.
      • During the Battle for Karakura Town, Yamamoto sat out of most of the fighting. When he finally makes his move, it's obvious why. His shikai is capable of destroying the entire protected area of the battle site and killing everyone within it. In an uncontrolled detonation, the shikai is capable of shattering the barriers protecting the human world from the fighting.
      • During the battle with the Vandenreich, Yamamoto unleashes his bankai which immediately starts sucking the moisture out of the entire bankai's area of effect. It is confirmed that if his bankai is active for too long, the entire world will be destroyed. That's just the passive side effect of activating his bankai. His active powers are even worse.
    • When Kenpachi Zaraki joined the Gotei 13, the Central 46 forbade Yamamoto from formally training him. Without formal training, Zaraki is capable of wrecking havoc in Soul Society in his pursuit of challenging fights. With combat training, the Central 46 fears he would be unstoppable if he ever rebelled. Eventually, the Central 46 reluctantly rescinds this ruling because their forces are facing extinction at the hands of the extremely powerful Vandenreich who have already succeeded in killing Yamamoto.
  • In Giant Robo: The Day the Earth Stood Still, Chief Chujo is a walking example of this trope; the mere suggestion of him breaking out his powers to use in the fight is enough to send fear and panic through his own allies, most of whom remember "the last time" he used them. When he does, we see that they are justified in their fears.
  • In Saint Seiya, the Athena Exclamation is taboo. It is a technique performed by three Gold Saints of Athena, who focus their Cosmo into a burst of power as powerful as the Big Bang and deliver it on a single opponent. But by the "Hades" arc, Saga, Shura, and Camus perform it because they figure they are already damned by their alliance with Hades.
    • Then Athena's loyal Saints use another Athena Exclamation against them because it is the only thing that can stop it. It was claimed that two colliding Athena Exclamations can wipe out the whole universe.
    • In the Sanctuary arc, the bronze knights learned to use their seventh sense. Shun decided it was necessary to use it after a "World of Cardboard" Speech.
  • Digimon Tamers has Juggernaut (Shaggai in the original Japanese version). Before his Heel-Face Turn, Corrupt Corporate Executive Yamaki used this devastating program in an attempt to destroy all Digimon by creating a black hole between their worlds. He had no intention of using it again after he saw the lightůbut then the D-Reaper came to the real world. Immune to destruction, they had to infuse Terriermon with the program and send him and the other Tamers into the D-Reaper's core in order to activate it, regressing the D-Reaper back to a program less complicated than a calculator. But using the program resulted in the Tamers' partners being forced to return to the Digital World to avoid being deleted, meaning that they may never see each other again.
  • Digimon Frontier has this with Susanoomon. While not specified as much in universe, this All Your Powers Combined trump card was only accessible after the Big Bad had erased the entire Digital World, begun opening a gateway to the human world to extend his dominion, effortlessly defeated the heroes at their strongest, and as the final step to the threshold, killed the Sixth Ranger. And if that's not proof enough, his attack is a BFS with a blade so long that one slash bisects the entire Digital World.
  • Mahou Sensei Negima! passed this roughly around the time that the bad guys started using Reality Warper powers. At this point, Chachamaru's use of her highly destructive artifact is pretty much justified.
  • In GaoGaiGar FINAL, we get the Goldion Crusher, used on a sun that is also an infinite regeneration machine keeping alive an evil solar system.
  • The rise of the Saint's Cradle during the JS Incident in Magical Girl Lyrical Nanoha StrikerS is the only occasion when all five Aces' Power Limiters were removed simultaneously. While objectively speaking, the Aces aren't really much of a danger to anyone except the bad guys, a combination of regulations and office politics prevent Section Six from having unrestrained access to more magical power than Hayate's rank allows her to command, at least until the situation is completely out of hand already.
  • The entire Fourth Shinobi World War in Naruto.
    • The battle with Tobi and Madara.
    • Naruto forms the 4th tail, the 6th tail, the 8th tail, then proceeds to (almost) willfully tear off the seal keeping the Kyubi in in order to defeat Pain. Why? Because he simply killed Jiraiya and (albeit indirectly) Kakashi, destroyed the village, and severely wounded Hinata, in addition to having him at his mercy. Oh, and Naruto hates the Kyubi to the point that he would rather die than be healed by the evil chakra (due to Sakura and Jiraiya being harmed by said chakra).
    • With Madara now being immune to ninjutsu and genjutsu, and the only senjutsu users being incapacitated, only taijutsu can harm him at all. But Madara is also ludicrously durable, so Guy opens the Gate of Death.
  • Invoked with constantly increasing severity throughout Dragon Ball/Dragon Ball Z. One proposed gambit near the end of the series involved convincing every person on Earth to sacrifice energy in order to power up a final attack against the big bad. It works, but barely, and everyone on Earth is exhausted as a result.
    • In Dragon Ball GT, Omega Shenron is such a threat that Vegeta immediately suggests doing the Fusion Dance with Goku to defeat him. Vegeta hates doing this both because he doesn't like having to merge with Goku and because the "dance" part of the Fusion Dance is very embarrassing; he even says that he wouldn't be suggesting it if it wasn't their only hope.
    • In Dragon Ball Z: Battle of Gods, Beerus The God of Destruction is so insanely powerful that trying to fight him is an absurdity. Vegeta gets so desperate that he throws away his pride and humiliates himself by dancing to entertain Beerus and delay the destruction of Earth.
  • Although a little drawn out, this is used in a minor way in The Melancholy of Haruhi Suzumiya (2009) at the end of the "Sigh of Haruhi Suzumiya" arc. After Haruhi spends a few days royally screwing with reality during the filming of the culture festival video, Kyon restores reality by making Haruhi read a disclaimer, thus distancing the movie from reality. In the epilogue, Kyon tries to make future events easier by flat-out telling Haruhi the identities of the SOS members(Which was theorized to possibly cause her to rewrite reality on a conscious level), only to be be completely ignored.
  • This has come up once or twice in Rosario + Vampire when unleashing Tsukune's uncontrollable - and potentially irreversable - ghoul aspect was the only way to give the final beat-down to the current Big Bad.
  • In Fairy Tail the council declares the events of the S-class arc this, with Lahar saying they'll probably have to resort to using their Kill Sat, the only weapon they have that can effectively take out one of the top three guilds and the Ultimate Evil Zeref. That the area they'd fire down at happens to belong to an be populated by a large portion of the titular guild is something of an unfortunate bonus.
    • It actually happens several times, the first time being when they do fire the Kill Sat on Jellal's Tower of Heaven in order to destroy it before he can use it to revive Black Wizard Zeref. It backfires horribly when they realize that the Tower of Heaven is actually a giant lacrima, and Jellal was counting on them firing it so he could absorb the energy.
    • Laharl and Doranbalt invoke a minor one at the end of the Grand Magic Games by freeing Cobra from prison so he could use his Dragon Slayer abilities against Future Rogue's dragons. Minor because Cobra isn't particularly destructive or dangerous, but they risked their careers to do it.
    • After Jackal of Tartarus assassinates the entire Magic Council, including Laharl Doranbalt does this again by freeing the entire Oracion Seis Dark Guild from prison in exchange for Cobra's intel on Tartarus. At this point, the risk to Doranbalt's career was minimal since the deaths of the rest of the Council makes him the highest ranking member by default and the last thing on his mind since all of his colleagues including his best friend were just murdered. He also takes measures to nip any future problems in the bud by sending Jellal and Meredy after them.
  • In Muv-Luv Alternative: Total Eclipse, the US has a backup plan in case of BETA landfall in Alaska called "Red Shift". It involves setting off several hundred hydrogen bombs, which would create a strait and a new line of defense, and allow the US to shore up a new defense line. Unfortunately, this plan would also kill just about anyone living in Alaska at the time, namely the main characters as well as the remnants of the Soviet Union.
  • This trope happens in the last couple of episodes of Puella Magi Madoka Magica. Walpurgisnacht is busily rampaging around and destroying the city—much like Godzilla. Mami, Sayaka, and Kyoko are dead, and Homura is on the verge of becoming a witch, so Madoka decides to make a dubiously legitimate contract specifically to eliminate all witches despite the risk that the entire planet could be wiped out if things didn't go how she planned. It works out pretty well, but the risk was certainly there, since in a previous timeline, Madoka's own uncontrollable "potential" turned her into a planet-destroying superwitch almost immediately after making a contract.
  • Muhyo And Roji has a few such examples.
    • Against Face-Ripper Sophie, Muhyo summons the Admiral, an extremely powerful envoy that typically requires multiple Executors working together to summon.
    • Immediately afterward, as Rio has betrayed them and Muhyo is still weak from the previous battle, Muhyo has to take a potentially poisonous tempering elixir from Biko to recover the tempering he needs to fight.
    • In order to defeat Teeki, Muhyo decides to form a contract with Hades, one of the Six Kings of the Underworld, eliciting shocked reactions from his friends Yoichi and Biko, who don't even think it possible.
  • In Getter Robo Ark, Hayato decides to open "The Gates of Hell" - the containment cell holding the gathered Getter Energies of the ever-evolving Getter Robo G.
  • In Pretty Cure All Stars DX 3, using the Prism Flower for one last attack against Black Hole is this, knowing that never becoming Pretty Cure again and losing their fairy companions is better than letting him win. Things get better after the credits, though.
  • In The Animatrix: The Second Renaissance, mankind decides to implement Operation Dark Storm, which would block out the sun with no ability to reverse the effects. This cuts off the machines' power supply, but also kills all vegetation and phytoplankton, destroying the foundation for the Earth's biosphere. They were perfectly willing to perform a Class 4 Apocalypse, just to beat the machines. This doesn't work, and mankind eventually loses the war anyway.
  • In the Nasuverse the Counter Force works In Mysterious Ways to counter possible threats to humanity or Earth's existence. If the subtle method fails and there are no mortal agents left to counter the threat, Counter Guardians are dispatched to eliminate the threat and everyone even slightly related to it. Counter Guardians will destroy entire nations to complete their mission.
    • Then there is what happens when the Counter Guardians fail to stop a threat to Earth's existence: Gaia's Counter Force. The Counter Guardians are humans who sold their soul to Alaya (basically the collective will to survive of humanity) to become heroes, and after death are employed as detailed above. Gaia's Counter Force started out with the True Ancestors (with the last one around being capable of destroying the world on a whim, if she were so inclined), and culminated in a dog-like monster known as Primate Murder.
  • In The Nineties Sailor Moon anime, having Sailor Moon pull out the Silver Crystal to pulverize the Big Bad is pretty much this as doing so usually is a death sentence. The first time, it was. The second time, a second Crystal spared her.
    • Additionally, this is pretty much the express purpose of Sailor Saturn, who has the power to destroy the world should it be overrun by evil forces.
  • In A Certain Magical Index, the threat of Archangel Gabriel during the Angel Fall arc is so great that Kaori Kanzaki opens the fight by revealing her magic name to unleash her full power. She normally considers doing this a last resort and makes a point to avoid doing this.
  • The human race in Attack on Titan 'lives' here and has for over a century. Every side and faction in the story embraces methods that are normally horrifying and even downright wrong, including the heroes, although some are more evil than others, and it's all in the service of their own causes. It's much less morally grey than that all sounds. The bottom line is the heroes resort to things 'heroes never should', for practical or moral reasons, because there's no other choice.

    Comics 
  • In Final Crisis, it takes the impending end of existence, facing Darkseid at the height of his power and with no other options left for Batman to finally use a gun.
  • In The Ultimates Nick Fury gives "Permission to traumatize Banner" when things have gotten that bad during a Chitauri invasion.
  • In another Hulk related example, during World War Hulk Tony Stark gives his second in command the authority to send the whole of Manhattan into the Negative Zone if things with the Hulk get out of hand. Also from that plot line, they repeatedly attempt to bring in the Sentry to fight the Hulk, and Doctor Strange sees fit to drink in the essence of a universe destroying demon. Both of these options end up making the situation worse.
  • Doctor Strange has to pull out these options quite a bit. In one memorable multi-part storyline from the late 60's, he went through a whole chain of these; to defeat Dormammu's sister, Umar, he had to free the awesomely powerful demon Zom; to defeat Zom, he had to yank out some of its hair, which spread evil magic all over the world and also summoned the Living Tribunal, who threatened to destroy Earth unless Strange could remove all the evil magic he had unleashed; to gather together all the evil magic, he had to give it all to Baron Mordo, giving him a tremendous power-up; to defeat the empowered Mordo, he had to use an Artifact of Doom given to him by the Obviously Evil entity Nebulos, which gave all the evil power to it instead. Finally, he aided the Living Tribunal in defeating Nebulos, and the Tribunal then declared Earth was safe, ending the chain.
    • During World War Hulk, Strange could foresee no way to defeat the Incredible Hulk (the other Illuminati had been captured and his own hands were broken), so he let Zom possess him so he could use its power. He then found that it took all his effort and concentration just to hold Zom back from murdering everyone, and Hulk still beat him down.
  • Large-scale Blackest Night example: the heroes release the Parallax entity and allow it to repossess Hal Jordan in order to defeat Black Lantern Spectre. This is the same entity who nearly destroyed the entire universe with Jordan the first time.
  • It's implied that this is Commissioner Gordon's attitude toward Batman, at least in the early adventures before they became friends. In a Wretched Hive like Gotham, where crime and corruption are rampant, and you can count the number of good cops and competent authority figures on one hand, letting this weirdo who likes to dress up like a bat and fight crime lend a hand couldn't make things much worse...
  • The Doomsday Protocol was a backup plan in case of a threat similar to Doomsday (i.e., it can't be stopped by the JLA combined), which was meant to avert this trope. It was never brought up again after Superman's return.
    • Beyond the Doomsday Protocol, there's also how Superman defeated Doomsday in Hunter/Prey - having Mother Box teleport them to the end of time and leaving Doomsday there to let the all-destroying Entropy obliterate him.
  • In Avengers Assemble, when Thanos shows up on Earth looking for the Ultimate Nullifier, Iron Man calls the president and tells him to invoke the Cosmic Protocols (which are only for when the destruction of the planet is possible; Iron Man calls this "DEFCON 1000"). They then proceed to detonate the atomic core of a helicarrier on top of Thanos, nearly killing the Avengers, certainly killing some of Thanos' lackeys, and barely inconveniencing Thanos.
  • In H'el on Earth, Superman fears he may have to break his moral code and kill H'el to stop him from trying to resurrect Krypton at the expense of Earth. However, it's Supergirl who kills H'el by stabbing him with a kryptonite shard because it was the only way to save the Earth.
    • In the Post-Crisis universe, Superman is forced to break his moral code to execute three Kryptonian criminals. He... doesn't take it very well.
  • The opening arc of Jonathan Hickman's New Avengers is the discovery of a chain of collapsing universes, which begin when two parallel Earths 'incur' into each other and can be slowed if one of the Earths is destroyed. The Illuminati agree that this crosses the Godzilla Threshold, with a single dissenter who is promptly expelled from the group. But when confronted with the reality of an entire planet of people dying, the Illuminati ultimately realize they can't stand back and let them die.
  • Nick Fury's worst case scenario plan for if Doctor Doom ever gets too out of hand is to drop The Incredible Hulk on one side of Latveria and The Punisher on the other, and see who gets to the middle first.
  • In the Crossed story arc The Fatal Englishman, the last surviving soldiers in Britain have agreed that the only sane reaction to the Crossed virus is to set off a base full of chemical weapons and hope enough of the uninfected survivors (which they estimate at about 50,000, from a population of 60 million) have access to biohazard gear to rebuild in the aftermath.
  • In the IDW Publishing ongoing Godzilla comic, Boxer, former SAS soldier and leader of the team that captured most of the kaiju, decides it's time to free the monsters to battle Hedorah, Gigan, Space Godzilla, and Monster X when they appear and attack.
  • In Supergod, an Eldritch Abomination is released as a form of damage control.
  • In Sonic the Hedgehog, when Sonic is roboticized into Mecha Sonic, the Freedom Fighters are forced to do the same to Knuckles, though they take precautions to make sure he keeps his free will.
  • In Transformers: Stormbringer, the mere presence of Thunderwing is enough for Megatron to order his flagship to hit Cybertron with everything they have. Even the Predacons balk a little at this order.
    • Thunderwing's previous rampage also reached this, when the Autobots and Decepticons teamed up to fight him. And it still barely did anything.
    • A smaller scale version occurs in Spotlight: Arcee, where the Decepticon siege of Garrus-9 is bad enough that Jetfire and Fortress Maximus decide to release Arcee in order to prevent the Decepticons getting their hands on Monstructor.

    Fan Fic 
  • Daemon from the Tamers Forever Series is considered to be such an unbeatable opponent that the Tamers only hope is for Takato to die before Daemon can absorb the power of a god.
  • Uninvited Guests has... Yachiru.
  • The Immortal Game: The Mane Six become so desperate to defeat Titan that Twilight comes up with one final contingency in case the Elements of Harmony fail, or they die before being able to use them. That contingency? Releasing Discord to fight him.
  • The Stars Will Aid Their Escape: The last time Nyarlathotep emerged in Equestria, Celestia was only able to stop him by calling down the power of the sun and incinerating everything for miles, sacrificing the lives of every pony in the affected area (most of whom were rendered hopelessly insane by Nyarlathotep anyway) in order to stop him from spreading. And all that succeeded in doing was temporarily banishing Nyarlathotep back where he came from — he describes it as having been inconvenient.
  • The Powers Of Harmony: The use of forbidden Lifeforce magic is considered to be an absolute last resort, due to the fact that it leaves the user an addict who grows more uncontrollable over time. During the War of the Sun and Moon, Libra had to use it to immobilize Nightmare Moon's undying army; his Echo Blair is still carrying that burden a thousand years later.
  • Imperfect Metamorphosis is what happens when crossing the Threshold is exactly the wrong thing to do, as the different characters implementing their own contingency plans just escalates the situation, going from "bad, but manageable" to almost Cosmic Horror Story levels.
  • In the Pony POV Series, Celestia comments that The Elders would only directly intervene (rather than through Their children or Avatars) in something happening in mortal reality if it was a threat to all of existence, because that is the only situation where the damage would be greater than that caused by Them entering reality. To put this in perspective, Nightmare Paradox's "Groundhog Day" Loop plan completely screwed up the Dark World timeline and cost countless trillions of lives, and even that wasn't enough for Them to intervene.
    • It turns out that the Equestrian military has specific protocols in place for situations like this, including Kaiju attacks, that require direct interference from the Princesses. Fittingly, it's called Article 1954.
    • During the Wedding Arc, things get so desperate that Twilight and Cadence seriously consider the possibility of releasing Discord to fight Chrysalis, but only as an absolute last resort. Of course, they don't realize that he's already free...
  • The Conversion Bureau: The Other Side of the Spectrum has two instances of this - first is when Princess Celestia decides to consult Discord about The Bag of Tirek which has corrupted the Mirror Universe Equestria into carrying out a genocidal campaign against earth and humanity, which he agrees to because even he's disgusted with what Queen Celestia's doing to the humans; second is that humanity has rigged the Yellowstone Supervolcano with several nukes to detonate and likely destroy the world as part of a Taking You with Me plan, if only to avoid living as brainwashed slaves to a xenocidal tyrant.
  • In A Dream Of Dawn, Nightmare Moon's reign over Equestria is so disruptive that summoning Discord actually improves things.
  • In A Midsummer Night's Dream chapter 8 with Midsummer Night rendered inoperable after the fight with Rasputin, the previously reluctant brothers decide that they should share Jaeger schematics with the Equestrians.
  • In Ashes Of The Past, Blast Burn is treated like this, as its nature as a Fire Type equivalent of Hyper Beam means the only thing more destructive is the local equivalent of a nuclear strike. Exactly because of its power, any Pokemon that learns it has an artificial mental block created to prevent it from using it on their own volition, and must be ordered to do that.
  • Worldwar: War of Equals: The threat of pending invasion by the Race is enough for Switzerland to abandon its long-standing neutrality and join the European Coalition, and for Israel to join forces with its Arab neighbors(primarily Egypt). After the war begins and grows desperate for some, we see more examples — when Ukraine is nearly completely overrun, its military starts using nerve gas, while President Viktor Yanukovych asks for Russian aid; Syria breaks out its chemical weapons program in light of neighboring Iraq being overrun; and China, desperately trying to Hold the Line against the Race, is the first nation to use nukes against the invading forces.
  • In the A Certain Magical Index fic Twist of Fate, Moses uses his Time Master powers to defeat Teitoku Kakine by making him suffer Rapid Aging. Moses explains that he would normally not do something this horrible, but the situation they were trying to stop is extremely desperate, Kakine wouldn't get out of their way, and he was strong enough to shrug off Moses' attempts to freeze him.
  • In the first story of the Facing The Future Series, Dark Danny's return results in Clockwork bringing in Danny and Sam's future selves and Sam getting ghost powers of her own in order to stop him.
  • In Eugenesis, Prowl and Perceptor are perfectly willing to meddle with time travel, knowing what time travel can unleash (In Prowl's case, from first hand experience), simply because they feel the current situation is that bad. This earns them a serious What the Hell, Hero? from Nightbeat, although he still ends up agreeing with them. The situation is that bad.
    • Later on a revived Optimus Prime agrees to take part in the fight against the Quintessons, knowingly risking his life, not to mention using time-travel himself, for the same reasons. Not to mention the Enemy Mine with the Decepticons.
  • MLP Next Generation: Know Fear!: The war against the griffons is going badly enough (even with the aid of Starburst's new powers) that Celestia decides to have one of Equestria's godly rulers (herself, the other alicorns and Discord) unlock their full power and join the battlefield as a show of force. Everyone else is horrified by the potential consequences of this, but they go through with it anyway, with Twilight being the one whose power is unlocked, and she proceeds to take on an entire griffon army by herself only for it to turn out that the griffons already had plans prepared to neutralize her.

    Films — Animated 
  • Monsters vs. Aliens. Mind you, it's a really fuzzy kaiju that's released.
  • In Batman: Mask of the Phantasm, Salvatore Valestra tries to hire the Joker to take out Batman, under the belief that Batman is knocking off people connected to Beaumont (it's someone else), and hopes that since Joker is one of these people he will take the job. He laments having been pushed to the point where it's necessary, and Joker kills him to bait the real killer.
  • Same thing happens in Batman: Under the Red Hood when Black Mask breaks Joker out of Arkham in order to deal with the Red Hood. What he didn't know was that this was exactly what Red Hood wanted.

    Films — Live-Action 
  • Most 1950's monster flicks often had nuclear weapons as a last resort, from The War Of The Worlds to Beginning of the End.
    • So did Ang Lee's Hulk. They bombed a lake, though, and so there were no collateral casualties. But it was certainly the last available option once Hulk and Banner Dad had unleashed all their rage.
  • The teenagers in Freddy vs. Jason wanted Jason, the guy that killed 20 of their friends, to win the fight against Freddy— if only because Jason would go back home, since he has no other reason to be in Elm Street.
  • Perhaps the best example comes from the original Godzilla itself, where the Japanese government decides to deploy Dr. Serizawa's Oxygen Destroyer in Tokyo Bay to kill the monster. The Oxygen Destroyer also kills all other marine life in the bay, but the government considers this an acceptable loss in exchange for killing a monster that's just devastated the city. Serizawa himself is reluctant to even let anyone know about the Oxygen Destroyer's existence, even while Godzilla's rampaging, because he's afraid of how horrible a weapon it might be. He crosses his own Godzilla threshold after a montage of the destruction the monster caused shows him what's at stake — and even then he takes steps to ensure his creation can't be misused.
  • Fittingly enough, Godzilla Final Wars reaches the Godzilla Threshold about halfway through. Civilization is in ruins and the alien monsters are running rampant, so how could one more make things worse? Godzilla turns out to be fiercely territorial when near other monsters...
    • In Godzilla vs. King Ghidorah, King Ghidorah causes Japan to reach this Threshold. They bring back Godzilla (or so they thought) and juice him with radiation.
      • Of course after King G is defeated, he starts rampaging too, but if you think about it, the situation didn't really get any worse.
      • At which point they bring King Ghidorah back to fight Godzilla. Oddly enough, that actually works.
  • Godzilla (2014):
    • Invoked. Serizawa suggests that the only thing that can stop the MUTOs is the legendary Godzilla.
    • Admiral Stenz believes that utilizing nuclear weapon work as the least costly way of dealing with the MUTO. He's aware that they feed off of radiation, but believes the sheer strength of the explosion will be enough to kill them, noting that, while the H-Bomb didn't kill Godzilla in 1954, it's a firecracker in comparison to what is at their disposal six decades later.
    • Weirdly the Castle Bravo bomb dropped on Godzilla was actually 15 megatons. This is stronger than any bomb in our aresenal today and is the most powerful explosion America ever produced. The "this is megatons, not kilotons" line is just wrong.
    • Godzilla seems to have one of his own - the signature Atomic Breath, which he only uses once in Awakening and a couple of times in the climax of the film.
  • In Michael Bay's first Transformers film; when the Deceptions are closing in on the Allspark, the preferred military solution is to hide the Allspark in the middle of a city - where the Decepticons will have trouble getting to it until large-scale military assistance could be attained and keep them busy while the Allspark was moved to another location.
  • In Independence Day, the revelation that the aliens' only interest is the complete and total destruction of earth serves as the Godzilla Threshold moment that convinces the president to authorize use of nuclear weapons against the invaders. Naturally, it doesn't work on the intended target, though it completely destroys the already-blasted city below.
    • Played for laughs when one character drunkenly decides to trash the lab saying if we screw up this planet enough they won't want it anymore as they are there for its resources.
    • Based on a similar scene in the 1954 War Of The Worlds, although note that the ID4 example has the key difference that the WOTW use of Nukes was in a desert while the ID4 attack was in Houston.
  • Early on in Ghostbusters Egon goes into some detail as to how important it is to never cross the streams. There is apparently a very good chance of "total protonic reversal," which would result in an Earth-Shattering Kaboom. Once Gozer manifests (as a 100 foot marshmallow man) and tramples downtown New York as a warm-up to the End of the World as We Know It, the team decides to do it anyway. The protonic reversal goes off, alright...but inside Gozer's little pocket of its universe.
  • Cloverfield: the Hammerdown protocol. Though not explained in the movie, it appears to involve either nuking Manhattan or "merely" dropping multiple superheavy conventional bombs on it. To quote the radio operator, "If you can hear the [air raid] sirens, you're inside the blast zone."
  • The climax of Galaxy Quest—The Big Bad has killed or fatally wounded everyone on the ship and the ship is hurtling towards Earth and will probably cause a mass extinction on impactnote . Jason gives the order to activate the secret superweapon, the Omega 13. The problem is, nobody knows what the Omega 13 actually does, since the Galaxy Quest TV show was cancelled before it properly appeared. The two common Epileptic Trees are that it either destroyed all matter in the universe in 13 seconds, or created a 13 second time-warp to the past. Fortunately for everyone involved, it's the latter.
  • In The Core, the heroes reach the outer core of the Earth and discover that the nuclear weapons they've brought along won't be enough to restart it. In response, the general decides to fire up Project DESTINI to restart the core — which was the very thing that had stopped the core in the first place. The predicted devastation to the Earth's surface would be almost as bad as the lack of a geomagnetic field they were trying to fix.
  • Aliens has the space marines, with Ellen Ripley in tow, arrive at the colony they are supposed to investigate only to find that said colony has been overrun and the colonists are all monster chow. In the process of evaluating the situation, most of the marines also become monster chow. With the mission screwed and the colony beyond help, Ripley suggests that they should return to their frigate and "nuke the site from orbit". Corporal Hicks (now the ranking soldier), agrees with her.
  • The Chronicles of Riddick:
    • Lampshaded by Riddick in Pitch Black when the survivers of the crashed spaceship managed to capture him, but then releases him due to the alien fauna.
    Riddick: Finally found something worse than me, huh?
  • The Dark Knight has several scenes musing about how much power is appropriate to stop a threat, citing things like Ancient Rome's ability to grant emergency powers to one man. Over the course of the film, it becomes clear that Batman himself has become the threshold for Gotham's criminal underworld. Their response is The Joker.
    Bruce Wayne: I knew the mob wouldn't go down without a fight, but this is different. They crossed the line.
    Alfred Pennyworth: You crossed the line first, sir. You squeezed them, you hammered them to the point of desperation. And in their desperation they turned to a man they didn't fully understand.
    • Towards the end of the film, Batman hacks every cell phone in Gotham into a listening device/sonar array. Lucius Fox says it's unethical, and that he's quitting after he uses it. Batman tells him to type in his name when they find the Joker, which turns out to activate the self-destruct option.
    • The Dark Knight Rises: Towards the end of the film, Batman uses the Bat's weapons with lethal intent, in order to stop a nuke from going off. To a lesser extent, he appears in broad daylight for the first time in the series.
  • The science facility in The Andromeda Strain is set up to nuke itself if anything gets past the containment seals. The scientists later learn that the energy would only fuel the strain's reproduction, wiping out life on Earth in short order.
  • Tremors 2: Earl is completely surrounded by Shriekers and is standing in the back of Burt's truck. His response: Set a timed explosive to go off and toss it down in the truck. That 4.5 tons of Burt Gummer approved high explosives, parked in an oil refinery.
    Burt (panics): "That's 4 and half tons of high explosives!"
    Earl (worried): "Is that not going to be enough?! Please, Burt! Don't tell me that's not going to be enough!"
    Burt: "Not enough?! It's... Nevermind! RUN!!! It's goinna be BIIIIIG!!!"
    • Burt does this with his first remote control Graboid kill.
    Burt (into his documentary camera): "Note: 2 pounds of C-4 may be a little..." (piece of gravel from explosion bounces off his helmet) "Excessive..."
  • Marvel Cinematic Universe:
    • In The Incredible Hulk this happens twice. The first is when the army fails to capture Bruce in Brazil, motivating Ross to use experimental super soldier drugs on Emil Blonsky. The second time is when Blonsky becomes the Abomination and starts terrorizing New York, forcing Ross to allow the recently captured Banner to Hulk out and take down the Abomination.
    • The events of Thor serve as this for the Marvel Cinematic Universe as a whole when Earth plays host to "a grudge match that levelled a small town" between two aliens.
    • The Avengers reveals that Nick Fury's idea to assemble a Dysfunction Junction of superpowered loose cannons is the backup plan, behind using Applied Phlebotinum to build WMDs and, later on, firing nukes at major populations centres while they're still majorly populated.
      • And did we mention that one of those loose cannons is the Hulk?
        Banner: So, this all seems...horrible.
        Natasha: I've seen worse. [referring to Bruce's last Hulk Out]
        Banner: Sorry.
        Natasha: No, we could...use a little "worse".
    • Judging by JARVIS' tone (remember, this is the Deadpan Snarker who would be a justified page image if he wasn't an AI), the "House Party protocol" in Iron Man 3 seems to be this. It calls in Iron Legion, 35 suits of Iron Man armour piloted by JARVIS. It's a lot of firepower, not a lot of precise aim, and it definitely falls under Conservation of Ninjutsu.
    • In Thor: The Dark World, the Threshold is the Dark Elves threatening the entire universe, and Godzilla is Loki himself. He is fully aware of the irony.
  • In Dirty War, DS Drummer, an otherwise good man who genuinely desires to understand the people he is investigating, tortures a suspect after a dirty bomb is detonated in London. The movie also underlines the uselessness of this strategy as it is documents found in the house, not torture, which leads to the clues that prevent further attacks.
  • Star Trek Into Darkness: Spock Prime has a vow to never reveal anything of his timeline, to prevent even more disruptions. He considers Khan enough of a threat to break his vow in order to warn the Enterprise.
    • The Vengeance similarly so outclasses the Enterprise that unleashing the superhuman ex-Evil Overlord on it is actually the best option Kirk and co. can come up with.
    • Spock Prime crossed it in the first film, too, by saving Kirk's life and revealing information about the future to him, as well as giving Scotty a transwarp formula that would not have been naturally developed for another century, because he considered stopping Nero's genocidal campaign against the Federation to be more important than upholding the Temporal Prime Directive.
  • Man of Steel has this as a gradual realization and not a single, precise moment. After all the other Kryptonians have been absorbed into the Phantom Zone and the Hostile Terraforming is stopped, General Zod confesses he has nothing more to live for and vows to make the people of Earth suffer. There is nothing they can do to stop him or restrain him, especially once he acclimates to the Kryptonian powers under a yellow sun. Superman engages him in a lengthy fight and comes to the hard decision that the only way to stop him is to kill him. And with one shockwave-inducing Neck Snap, he does.
  • Pacific Rim: Most of the Jaeger battles actually take place in the water, well away from the city that is currently being targeted by a Kaiju. The 10 miles out line is referred to as the "miracle mile" and mostly they try to intercept the kaiju before it crosses the line. Fighting in the city is usually only a last resort because of the massive collateral damage, but considering the alternative it's unlikely that people will complain.
    • If you pay attention during Mutavore's attack on Sydney and happen to have a map handy, you'll notice that a big chunk of the city would be on the Kaiju side of the wall. The tie-in comics reveal that that's because they had to nuke the heck out of that area to fend off the first Kaiju attack on Sydney. Not all of the civilians were able to evacuate beforehand.
  • In Battle: Los Angeles, the military decides to deal with the aliens by evacuating the civilians then bombing the coastal cities being invaded. The aliens thwart this.
  • Defied in Men In Black. The bug impersonating Edgar is getting close to stealing the Arquillian galaxy, so when Agent J sees "Edgar", he tries to shoot in broad view of dozens of New Yorkers, much to K's irritation.
    Agent K: We do NOT discharge our weapons in view of the public!
    Agent J: Hey, we ain't got time for this cover-up bullshit! Maybe you've forgotten, but there's an Arquillian battle cruiser...
    Agent K: There's always an Arquillian battle cruiser, or a Corillian Death Ray, or an intergalactic plague that's about to wipe out life on this miserable little planet. The only way these people get on with their happy lives is they do. Not. Know about it!
  • In X-Men: Days of Future Past, the main characters' plan is to erase themselves and everyone else from existence, because in the new future they would be different people with different experiences and no memory of the originals. Everybody understands it, yet they go through with it without question anyway: the current situation is just that bad.
  • In Evolution, the military plans to destroy the alien lifeforms with "tons and tons of napalm". One of the general's subordinates even hints that a nuke may be a better option. It's specifically mentioned that, if the alien lifeforms aren't stopped, they will take over the planet in a matter of months, driving Terrestrial lifeforms to extinction. Of course, as the heroes find out by accident, fire actually speeds up the Hollywood Evolution process.

    Literature 
  • This happens several times in Jim Butcher's The Dresden Files:
    • The second book, Fool Moon, had Harry view his use of the Hexenwulf belt this way, with its possibility of turning him into a mindless feral killer.
    • In book three, Grave Peril, Harry unleashes a thus-far unseen degree of violence when vampires kidnap his girlfriend. The resulting fire is nearly enough to get him in trouble with the Wizarding Union.
    • In book seven, Dead Beat, Harry is faced with several necromancers competing for the chance to be the one to perform a dark ritual that makes its performer into a new god by sucking the life from anyone unfortunate enough to live nearby. In order to bypass the protective magical barrier surrounding them, Harry creatively reinterprets the Laws of Magic, and almost literally enacts this trope, by reanimating a frelling tyrannosaurus (it's not human, so he wasn't technically breaking the law).
    • In book twelve, Changes, after suffering (in something of a personal best) a broken back, a kidnapped daughter, and a host of vampires old enough to qualify as gods in their own right about to perform an effectively unblockable curse that will destroy his entire family, he turns to one of his final options: swearing his allegiance to Mab, the Queen of Air and Darkness. Harry was even desperate enough to consider performing the Darkhallow rite or becoming a Denarian if Mab didn't accept him.
    • In book fourteen, Cold Days,Harry discovers that, in an as-yet-unused Chekhov's Armoury Demonreach is a prison created by the original Merlin for thousands of incredibly powerful and malevolent entities, so much so that there is a failsafe in place that will vaporize most of the continent should the prisoners ever escape, and it won't even kill them. All it will accomplish is to slow them down for a while, but that's still the lesser of two evils.
    • Harry Dresden IS the Godzilla Threshold. For the natural world, once things have deteriorated to the point you look up Wizards in the Yellow Pages, you've crossed the Threshold. For the supernatural world, Harry is widely considered a magical thug, high powered, but with very poor control. A situation dire enough to involve Harry Dresden usually means you've crossed the Threshold. When the necromancers threaten Chicago, the response of the White Council is to send every available Warden, including the Captain - who recruits Harry (a man they have been fearing is secretly a warlock for the last 10 years) the minute they see him.
    • It's also been mentioned that exposing the existence of the supernatural to humanity is considered the nuclear option of the supernatural community, not least because humans have actual nukes.
  • Also from Jim Butcher is Codex Alera, whose protagonist Tavi thrives on plans that are so crazy they might just work, reaching a peak at the final battle in which he lures the Big Bad to a place where two of the world's most powerful Furies sleep and then provoking them. His lover Kitai figures where he went by thinking of a place only an absolute fool would go to, and a lunatic would follow.
    • In the last book, Tavi had to get all of his armies to reach a main battlefield in a few days — moving several hundred thousand almost at the speed of flight. Then Alera warns him that his plan will cause untold weather devastation thousands of years later, he concludes the devastating long term consequences must be borne if anyone in Alera is to survive.
  • In Stephen King's Under the Dome, the government does everything in its power to free the town of Chester's Mill from its predicament. This includes firing a cruise missile at the invisible dome surrounding the town, then a second missile when the first one fails, using specially modified acid which can melt through two miles of bedrock, despite the possibility that it could set the dome on fire, and then attempting to use a 'pencil nuke', only to have it melt down and kill fifteen people before it could be used. The government continues, trying to build a second pencil nuke, but by that point, things are so bad they finally decide they don't have time.
  • The Worldwar series about Alien Lizards invading Earth during WWII: Allying with Nazis. Nuking your own cities. Pulling all those Chemical and Biological weapons out. You do horrible things when you are being invaded by Alien Lizards.
  • In World War Z, the government is so stumped as to how to fight the zombie hordes that they are forced to implement the "Redeker Plan", using large parts of the population as zombie bait to give the government a chance to regroup and plan. And It Worked.
    • The Redeker Plan itself was adapted from South Africa's own "Plan Orange", for how to deal with an all-out armed uprising by the native black Africans against the Apartheid government.
  • The Laundry has one of these lined up for when CASE NIGHTMARE GREEN (a.k.a, the stars coming right) ensues — SCORPION STARE, a program that loops a basilisk frequency through every CCTV camera in Britain. Similarly, in The Jennifer Morgue, Mo is given access to "a big white one" in the case that the Bond villain wannabe manages to resurrect an ancient Chthonian war god — and is none too pleased to find out "a big white one" is a tactical nuke.
  • Robert Jordan's The Wheel of Time series: in the War of Power, the good guys constructed the Choedan Kal, two devices (one for use by a male, one for use by a female) that could draw astronomical amounts of the One Power in order to seal the Dark One away in his prison. Later used to cleanse the poisoned male half of the Power during the climax of book 9, Winter's Heart (during which the female Choedan Kal is destroyed). In The Gathering Storm, Rand at first thinks that the male Choedan Kal is the key to defeating the Dark One, but eventually realizes that it won't work. At the end of the book, he destroys it, knowing there may well be another (and better) way to defeat the Dark One this time around.
  • In David Weber's Out of the Dark, the alien commander of the forces invading Earth eventually concedes the use of genocidal bioweapons as the only option against a planetful of humans who refuse to submit, and are rapidly depleting the invader's reserves.
  • In another David Weber work, Honor Harrington, the Havenites cross this threshhold when they realize that the Manticorans' new weapons mean inevitable defeat for the Republic of Haven, and decide to capitalize on their dwindling numerical advantage by launching a desperation attack on the Manticoran home system. The resulting battle results in over a million dead and leaves both star nations virtually unable to continue the fighting — Manticore wins, but at the cost of over half its wall of battle. Later on, things deteriorate so badly between Manticore and the Solarian League (a power that, on paper, is much bigger and more powerful than Manticore and Haven combined), that the Manticorans sue for peace with the Havenites and declare war on the League. By this point, the Manticoran and Havenite governments have both realized that they were being played by the true Big Bad, The Mesan Alignment, and have signed a military alliance. At that point, things start to go downhill for the Solarian League (and the Alignment) rather quickly.
  • In Weber's second "Dahak" book,The Armageddon Inheritance, the only power source great enough to drive the incredible defensive installations that might enable Earth to survive the attack of an oncoming genocidal alien horde is nearly uncontrollable and could itself ravage the planet if containment is lost.
  • In Footfall, this happens twice during an alien invasion. The first time, they nuke the territory the aliens took over (which was still populated by humans). The second, and significantly less significant time, they build and use a nuke-fueled spaceship. They did get most of the nearby area into bomb shelters before they took off, though.
  • In the Gaunt's Ghosts novel Traitor General, Feygor gets very badly sick and Curth has nothing left to help him. When Ezrah offers the use of a paste that contains normally highly-toxic - as in scratch a man with it and he dies - poison as a remedy like his tribe did, the team reluctantly decides to use it. It barely works.
    • One of the flashbacks in Ghostmaker has a group of Ghosts encounter a summoned daemon in one of the buildings they're clearing. With little hesitation and less time to flee, the Ghosts promptly request that one of the kilometres-long ships in orbit fire on the building.
  • In Isaac Asimov's The End of Eternity, there is a time traveling group that safeguards humanity over a period of billions of years. The problem is that humanity never leaves the Solar System, and after at least millions, maybe billions of years humanity dies out. The protagonist goes back to the twentieth century, and there manipulates the timeline so that time travel never arises, wiping out millions of years of human existence and destroying everyone and everything he ever knew.
  • In Neverwhere, the Marquis de Carabas can be called into one's service for the cost of "A really big favor". Take this warning in just case you should happen to find yourself in London Below: Don't do that.
  • In the Star Trek: Destiny trilogy, the Federation president gives Captain Picard permission to do anything necessary, regardless of Starfleet regulations or Federation law, to defeat a massive Borg invasion, up to and including re-creating Shinzon's thalaron weapon. Picard is ready to do this, until Geordi flatly refuses to carry out Picard's order to construct the device and proceeds to tear into him over it. Picard, shaken, then rescinds the order and finds another way.
    LaForge: Repeat it as many times as you like, it won't make any difference. I will not resurrect that...that abomination. I won't be party to whatever atrocities it winds up being used for. When Shinzon had one, you were ready to die to stop it. Data gave his life to destroy it. For me to rebuild it now would be an insult to his memory and a betrayal of his sacrifice. I can't do that. I won't.
  • In Uhura's Song the Federation Council finds the plague sweeping across the Federation so serious that they suspend the Prime Directive and tell Kirk that they're trusting his judgement on how to get the cure that legends say exist on a planet he has only vague information about the location of. Spock misunderstands the reasoning and says they seem rather optimistic about their chances of finding the cure, despite his attempts to emphasize how flimsy their information is. Kirk explains that their apparent optimism is really grasping at straws because the situation is much worse than they (on the Enterprise) know. (It is strongly implied that the existence of the Federation and the survival of multiple member species is at stake. General Order One is not suspended lightly.)
  • In A Song of Ice and Fire, the arrival of the Others is considered this for people on both sides of the Wall. Mance Rayder, the King Beyond The Wall, is willing to march the Free Folk south of the Wall to find shelter in the despotic Seven Kingdoms. Jon Snow, for his part, is willing to allow "Wildlings" to settle on the Night Watch's lands and even join the Night Watch to bolster their ranks against the Others. Both plans are considered pretty shocking, and not everyone agrees with them.
  • In Timothy Zahn's The Conquerors Trilogy, the arrival of a dangerous alien threat starts everyone talking about dusting off a superweapon the humans used once and never used again. Subverted- the weapon doesn't actually exist, it was actually a freak accident where a solar flare wiped out a fleet.
  • Villainous example in the Dale Brown novel Sky Masters. His flotilla in shambles after a Filipino ambush, with only death or dishonourable retreat on the cards, Big Bad Admiral Yin decided to Nuke 'em. Things go downhill from there.
  • In The Hitchhiker's Guide to the Galaxy, when the Heart of Gold is about to be blown up, Arthur Dent decides at the last second that randomly activating the Infinite Improbability Drive can't possibly make things any worse.
  • Middle-Earth reached the Godzilla Threshold at the end of the First Age, as documented in The Silmarillion. Morgoth ruled over all of Beleriand and to defeat him the Valar unleashed a war that sunk all of Beleriand.
    • And again when Ar-Pharaz˘n sought to take Immortality from the Valar, the Valar unwilling to actively kill men, who as Children of Il˙vatar fall under their protection, instead give up their stewardship of the world and let God handle it, and the World is changed for it.
  • This happened a few times in the past of The Malazan Book of the Fallen. Two events in particular are notable for how they shaped the modern world:
    • The Imass came to a racial consensus that after the latest in a long string of Jaghut Tyrants, the Threshold had been crossed. They transformed themselves into nigh-immortal undead and proceeded to hunt down every Jaghut they could, killing or binding them.
    • High King Kallor was so hated by a cabal of wizards that they chose to summon forth and bind a god to be used as a Fantastic Nuke against him. It destroyed an entire continent, created the Crippled God, and Kallor survived.
    • And in the course of the books, there can be so many gods drawn to a nexus of power that drawing in more hostile gods becomes a viable plan because they might start countering each other.
  • In Revelation Space, the Mademoiselle considers destroy an entire populated planet with the Nostalgia For Infinity's Hell-Class weapons to be preferable to allowing Daniel Sylveste to travel to Cerberus and unwittingly re-awaken the Inhibitors, for a very good reason.
  • When the Polypond attacks the Great Ship in A Well of Stars, the crew decide it's preferable to burn away the entire fuel supply of the ship by firing up all of the ship's 14 world-sized fusion rockets, rather than allowing the enemy to rendezvous and take over the ship.
  • In the Animorphs prequel The Hork-Bajir Chronicles, the Andalite war-prince Alloran who eventually becomes Visser Three's host knew the Andalites had lost the war over the Hork-Bajir. Desperate to prevent the Yeerks from acquiring the Hork-Bajir, he unleashed a Quantum Virus, a horrific disease of space-time that breaks living beings down into molecules. He targeted the Hork-Bajir to deny the Yeerks their prize. All for naught, since the Yeerks had already captured enough Hork-Bajir to breed a sustainable population for their use. The Andalites covered up this horrific war crime to save face, and Alloran was left a bitter disgraced Shell-Shocked Veteran.
  • The protagonists in Larry Niven's The Ringworld Engineers are faced with the problem of Ringworld's increasingly unstable 'orbit'. The Ringworld has, or rather had, Ramscoops fixed around its circumference to act as station-keeping jets, using the solar wind as fuel. The Ringworld's inhabitants, presumably not knowing or not caring why the ramscoops were there, had 'borrowed' most of them to use on spaceships. The remainder could no longer keep the Ringworld centered on its star. There is a solution, but even the Pak Protector who discovers it is too horrified to enact it. They use the solar magnetic controls built into the Ringworld to temporarily increase solar wind output enough to provide the remaining ramscoops with enough fuel to re-center the ring. This has the unfortunate side effect of sterilizing a third or so of the Ringworld, killing trillions of humanoids via slow, agonizing radiation poisoning.
  • In Tim Powers' The Drawing of the Dark, the Turkish siege of Vienna is only the visible manifestation of a magical struggle between West and East to determine which form of civilization will go on to dominate the planet. At one point Merlin the Magician considers a "desperately sure" move: summoning an arch-demon that could easily win the war, but it would forever be a taint on the West that it had stooped to using such aid.
  • in The Broken Crescent, Nate Black/Azrael is the Angel of Death sent by a god who hates Mankind to bring them down. The Monarch and his Shadow College consider using him to still be a lesser evil than allowing the College of Man to continue to run things.

    Live-Action TV 
  • When things get really desperate in Stargate SG-1 and Stargate Atlantis, the higher-ups are usually willing to give the green light to plans that involve ridiculous things like blowing up suns.
    • One experiment of Rodney's kills a co-worker and blows up most of a solar system. They try it again. This time they almost destroy two galaxies, and completely drain their ZPM (an excessively rare and valuable super-battery).
    • The Replicators are so bad that every single one of their appearances has the line being crossed to further limits. Indeed Thor says that the reason the Asgard ask humans for help so often is that they lack the stupidity necessary to devise a plan that crosses that Godzilla Threshold. Said crossing involves such things as crashing ships into planets, using a one-of-a-kind state-of-the-art warship as bait for an explosion, and luring every Replicator in existence to the Asgard homeworld (and then collapsing the planet's star into a black hole, just to be thorough).
      • The Replicators have invaded the Milky Way, wiped out the System Lords and have begun attacking Earth. SG-1's final plan depends on an Ancient device designed to create (or destroy) all life, properly re-configuring it to only target the Replicators, and simultaneously firing it through every Stargate in the galaxy. And to do it, they have to team up with Ba'al, who was trying to reconquer the planet they were on at the time.
    • In the Season 6 finale, Anubis hovering with his finger on the trigger of an Ancient superweapon ready to blow up Abydos causes Daniel to break the non-interference rules of the Ascended beings and try to destroy Anubis using his godlike powers. He only fails because the other Ascended beings stop him.
    • In the The Ark of Truth, one of the weapon systems the humans bring with them to the Ori home galaxy as a fallback in case their primary plan fails is a Replicator with reprogrammed failsafes. The failsafes turn out to not be as fail safe as hoped.
      • The Ark of Truth itself was a last-resort weapon for the ancestors of the Ancients who were suffering persecution from the ancestors of the Ori: using it would have saved them, but would have also caused them to compromise their principles of free will and intellectual growth. Ultimately they step back from the Threshold and decide not to use it, instead choosing to leave their homeworld to the Ori. In retrospect, this was not the smartest idea. But at least they kept the Ark around for our heroes to find and use at a later date when there finally is no other choice.
    • In a later arc of Atlantis, Rodney creates a reprogrammed humanoid Replicator to act as a delivery system for a computer virus to destroy the rest of the Asuran Replicators. Surprisingly, the reprogrammed Replicator is perfectly content with her purpose in life as a "living bomb", delivering her payload without a hitch when finally deployed on the Replicator homeworld.
  • Power Rangers usually reaches this point at least twice per season. At some point, the villain's Evil Plan will be so destructive, or a Monster of the Week so powerful that the old code of "match force with proportionate force" just stops applying. It's usually at this point that all out assaults, calling in old favors, and even sacrifices become valid options.
  • Doctor Who:
    • In the episode "Journey's End", there's Osterhagen keys; people who know about them start crying at the mere mention of their use. It's revealed that UNIT strung a series of nuclear warheads beneath the Earth's crust, with the stated aim of destroying the entire freakin' planet. It is only to be used when death is considered a preferable alternative to whatever shitstorm has enveloped the human race.
    • In "The End of Time", we finally learn what it takes for the Tenth Doctor to pick up a gun: The return of the Time Lords and all the horrors sealed away with the Last Great Time War.
    • Not the first time, either; Eight, once he learned just how bad the War was getting, to the point that innocents could no longer see any difference between Daleks and Time Lords, actively directed his regeneration into creating someone willing to discard his self-imposed restrictions.
      8th Doctor: Make me a warrior now.
    • The Time War itself had crossed the threshold that three different factions took different measures to try to end it. In "The End of Time", the leadership of the Time Lords decided to Ascend to a Higher Plane of Existence — which would not only end the Time War and save Gallifrey, but destroy the world. The Time Lord military had used every weapon they had locked away because they were considered forbidden. Except one: The Moment, which was still deemed too horrible to use. The Doctor decided the Time War was, in fact, bad enough to justify using The Moment.
    • Even the final solution, shown in "The Day of the Doctor", was considered by the Time Lord military leaders to be crossing the Godzilla Threshold. Using 13 of the Doctors and their TARDISes to shift Gallifrey into a different universe. The amount of Doctors used invoked an Oh Crap moment.
    • In a reference to Winston Churchill's real-world invocation of this trope in defense of allying with Stalin (see below), he uses this same logic to justify using Dalek technology against the Nazis in "Victory of the Daleks". The Doctor tries and fails to convince Churchill that the Daleks are a bigger threat than the Nazis, but it turns out that the Daleks had out-gambitted the Doctor all along, and the entire point of the exercise was just to get the Doctor to admit that they were Daleks so that the Dalek race could be revived.
    • "Nightmare in Silver" shows that by the end of the "Cyber Wars", the Cybermen were such a threat it was worth obliterating an entire galaxy to finish them, with collateral damage numbering in the trillions. Standard procedure dictates that any encountered survivors must be immediately terminated, and if you can't manage that the entire planet is to be destroyed.
      • And in the end, the planet they're on indeed had to go kaboom. And there was never any doubt that the Cybermen were enough of a threat to make it worth giving the order.
  • Several times in Supernatural, varied characters think they've hit this point:
    • In season five, after seeing a bleak future in which Lucifer won in Sam's body seemingly because Dean didn't say yes to Michael and losing all faith in Sam, Dean's ready to let Michael have him even though it will mean most of the world is destroyed. Sam convinces him not to.
    • By the end of season five, everything has gone so far to hell that risking giving Lucifer a total win by having Sam say 'yes' to Lucifer is the only option. While this option guaranteed a fight between Michael and Lucifer that would destroy most of the world unless Sam could overcome the possessing influence of Lucifer long enough to throw them both into Lucifer's Cage, the apocalypse that would kill or zombify most of humanity would happen if they did nothing. Of course, at the end of season 4, they'd all pretty much realised that they were screwed.
    • In season six, best buddy Castiel decides that the only way to prevent the Apocalypse from being restarted by Archangel Raphael is to make a Deal with the Devil and take in the power of all the souls in Purgatory.. This turns out to be a bad idea.
  • Farscape: At the end of season 4 John does this with a home-made nuke in order to try to pull a fast one on the Scarrans and Peacekeepers. Done again on a much bigger scale in Peacekeeper Wars. John holds the entire galaxy to ransom with the wormhole weapon. This time, he really wasn't bluffing.
    • Also played with in season 3 when John finds out that playing with wormholes is fucking about with the entire fabric of reality. The only reason he reenters the system is that he has no choice. He still messes up though.
    • Even earlier in season 1, during the first appearance of Maldis. Zaahn, who has the capability to defeat him, fears to unleash that power due to her violent past and discusses the trope with D'Argo. It's not until a few episodes later when the crew encounters a planetfull of Delvians who indiscriminately use their powers on others under the direction of their Knight Templar leader, that we learn just how bad an out of control Zaahn could be. Maldis's excuse is he's an energy vampire and needs to eat. Zaahn would be bat-shit insane and go on a rampage just for the giggles.
    • The Peacekeepers begin as the Big Bad of the series. This only lasts until the emergence of the Scarran Imperium, and just why Scorpius is so desperate to get his hands on wormhole weapons. The Scarrans are such a major threat to the rest of the galaxy that for a brief moment near the end of season 3, Crichton was genuinely considering helping Scorpius. Harvey, who by this point is actively helping Crichton and, in his own words, "[shares] his intellect, but not his passions and his fears," thinks Scorpius is right.
  • Angel: Series 4. The world is on the verge of an unexpected Apocalypse when the Beast blocks out the sun over LA to create a 24-hour demon playground. The only thing that can stop it is Angel's Superpowered Evil Side, Angelus, the greatest mass murder in recorded history and one of the worst vampires ever heard of. Even Angel agrees it has to be done and Angelus is freed. Then the only way to then stop Angelus is to break out the unhinged, convicted murderernote , Faith the Vampire Slayer, who has to use her Death Seeker nature to almost commit suicide because Angelus is that hard for even a slayer to defeat.
  • In The Sarah Jane Adventures episode "The Last Sontaran", despite the fact that Sarah Jane Doesn't Like Guns and distrusts the military, the presence of a Sontaran ship on Earth prompts her to immediately make plans to call in UNIT.
  • In the Star Trek universe, the Godzilla Threshold is instantly crossed whenever a single omega particle is detected. Omega protocol authorizes the captain of the vessel to use any means (even breaking the Prime Directive) to destroy it. Why the panic? The decomposition of just one killed a bunch of scientists and rendered warp travel impossible for a radius of several light years.
    • The original Star Trek had the episode "Operation: Annihilate!", which involved them considering passing the Godzilla Threshold to prevent the spread of an alien pancake parasite. Kirk demanded they find and Take a Third Option.
    • Kodos the Executioner/Anton Karidian in Star Trek episode, "The Conscience of the King" used this as his excuse to execute half the colonists of the Tarsus IV colony when a fungus destroyed most of their food supply.
      • It's worth noting that the only reason it counts as this trope was because he was wrong about one of his assumptions: It turned out that the Federation did manage to get relief supplies to the colony in time. Had he turned out to be right...
    • Deep Space Nine discusses this several times during the Dominion War arcs, both at a governmental level (with Section 31) and a personal and moral level (the episode "In The Pale Moonlight")
    • While we've never seen it enacted, the existence of Starfleet General Order 24 shows the Federation's awareness that such situations can arise: General Order 24 is an order to destroy all life on a planet (and it does not require Starfleet Command's approval to be enacted, although obviously a captain that ordered it without due cause would be liable to be found unfit for duty by the CMO, and probably relieved of duty even before the order is followed through)
  • In the first season of Babylon 5, the station's dockworkers go on strike. Faced with a complete shutdown of the station's operations, Commander Sinclair is authorized to end the strike "By any means necessary". He does the unthinkable and reallocates part of the station's military budget to meet the dockworker's demands.
  • In Twin Peaks, Agent Cooper uses some rather eccentric methods in the search for Laura Palmer's killer that have more to do with mysticism than forensics. Of course, he is not taken very seriously with these; at one point, Sheriff Truman demands that he lay aside these methods while the cops use traditional, realistic techniques in the search. But when Maddy Ferguson becomes BOB's latest victim, everyone begs him to use any remaining tricks in his bag in order to stop the killer once and for all.
  • Played for Laughs on Parks and Recreation. When Ron's first wife Tammi ("Tammi One") takes a hold of him again, Leslie tries to recruit his second, equally manipulative ex-wife Tammi ("Tammi Two"). Leslie explains 'When you are fighting Godzilla, you need Mothra.'
  • In Haven, Duke Crocker has the power to completely erase a Trouble by killing one person who has it. Duke never willingly uses it, since he finds killing abominable and Audrey and the others usually find a non-lethal solution to Troubles. Duke was willing to use it on a guy whose unknowing Reality Warper Trouble was about to destroy the town with an Alien Invasion he imagined, but Nathan then solves the problem before he can. Later, they face a guy whose organs progressively fail, forcing him to harvest organs from his family members, as well as trigger the same affliction in anybody who escapes from him. Audrey tells Duke he has no choice, he has to use his ability. Duke eventually relents and kills the guy. Even later, he resorts to killing a baby's father (with the father's permission) to end the child's ability to kill people with his cries.
  • The first half of Warehouse 13 season 4 is built on this. The artifact the team spends episode 4.01 searching for unleashes an evil into the world. Considering that the alternative is the whole world being completely drained of all hope, this is the better alternative. Of course, the evil they unleash decides to invoke the Godzilla Threshold as well in hopes that the team will undo what they did.
  • The Great Legend War in Kaizoku Sentai Gokaiger invokes this when Akaranger has the other Super Sentai to sacrifice their powers to drive off the Zangyack. They get better at the end of the series.
  • Basically every episode of Ultraman. When everything else the anti-monster team tried has failed, they hit a point where having another giant guy wrestle around with the monster and shooting laser beams isn't such a bad option.
  • In season 3 of Person of Interest this happens twice. The first in when Root is let out of her cage to help save Reese. The second is when The Machine gives them an interesting number, it wants them to kill a high ranking US Congressman to stop the creation of a second machine whose first directive is to kill Finch.
  • The TAHITI Protocol in Agents of S.H.I.E.L.D., which was Coulson and Fury's last line of defense if an Avenger was killed. It would utilize alien and robotic means to bring that person back to life, but the program was canceled by Coulson when the test subjects all exhibited such suffering that to prolong their lives would be cruel. Ironically, Coulson himself is that fallen Avenger, and Fury brings Coulson back to life, hiding the awful memories under the harmless cover of "a trip to Tahiti".
  • In Continuum, one particular Bad Future has a band of post-apocalyptic raiders attacking the base of the Freelancers, an organization dedicated to suppressing time travel, as a last-ditch "Hail Mary" play to Set Right What Once Went Wrong. Then the sergeant hands one of his men an experimental device.
    Sergeant: That's right. The Hail Mary now has a Hail Mary.

    Multiple Media 
  • The Toa's Nova blasts from BIONICLE. It's been attempted two times in the known story for such purposes — when Toa Jaller and the Toa Mahri faced all six of the Barraki and their army of sea beasts and tried to stop them from reaching Matoro (who was at the time busy resurrecting the entire fricken' universe); and when Toa Helryx tried to create a flood inside the resurrected but Makuta-possessed Great Spirit's brain, thereby causing the robot and the universe inside it to shut off, effectively killing every being in it — both attempts were hindered, thankfully.
    • When the Bohrok-Kal were about to free their masters the Bahrag and re-unleash the Bohrok swarms upon Mata Nui, Tahu broke out his secret weapon that he was never supposed to use: The Kanohi Vahi, AKA the Mask of Time. Using it buys the Toa a few more critical seconds but also nearly destroys the universe.
    • In the prequel novel "Time Trap" Vakama is has the Mask of Time but is stuck in a fight between the Big Bad and the leader of a league of assassins. What does he do? He threatens to destroy the Mask, and with it all of reality.
    • In an example more befitting of the trope's name, when Botar teleported the Tahtorak onto the industrious island of Xia out of fun, it started wrecking the place, so they released the similarly giant Kanohi Dragon to fight it, which in turn lead to even more destruction.

    Sports 
  • In ice hockey, a team that is down a goal or two in the last minute or so may elect to pull their goalie and put another attacker on the ice. It gives the possibility of tying the game, at the risk of the leading team scoring again. On average, the leading team scores an empty net goal about 1/3 of the time while the trailing team scores a goal about 1/9 of the time - in the long run this strategy is detrimental to the team that pulled its goalie. However, in most cases what matters is that you've lost the game and not what the margin of defeat was.
  • Similarly, in association football (soccer), a team that's a goal down in the dying minutes of a game may choose to send their goalkeeper up front for a set play, such as a corner kick. The downside to this is that if the other team manages to gain possession of the ball, the goalkeeper probably won't be able to sprint back to his own goal in time to prevent the opposition from scoring easily. Therefore, this tactic is only used in times of urgent desperation.
    • In the indoor version futsal, the alternative is a combination of this and hockey: the goalkeeper is removed, and a line player that can play goal becomes a "line keeper", guarding the net but more focused on attack.
  • In American football, the Hail Mary (having every receiver run to the endzone and throwing the ball up for grabs) is an incredibly risky play that's just as likely to give the opposing team the ball as it is to succeed. As a result, it is rarely called. However, on occasion, when a team is losing with little to no time left on the clock, it becomes their only real chance of winning the game.
  • In sports, the NCAA has what is referred to as "the death penalty", which bans a school from participating from a certain sport for at least a year. These are used towards repeat offenders who make two major violations (re: mostly players being paid to play or not to play, but that's not the only one) within five years of one another. The only time it had been done was towards Southwest Methodist University's football program to the point where the program never recovered nearly 30 years later.

    Tabletop Games 
  • The Imperium in Warhammer 40,000 has Exterminatus, a type of orbital bombardment deliberately designed to kill everything on the target planet. Despite Memetic Mutation about Inquisitors who order it for minor heresy, it's only used when something so dangerous is on the planet that Kill 'em All is the best solution. Such as:
    • Chaos. A cult uprising is one thing, but if daemons are actually rampaging around at will, the world may be past saving. Even if the Imperium managed to cleanse the planet, the taint of Chaos would remain, like lingering radiation that's also sentient and teaches people how to build dirty bombs. Of course, as Ciaphas Cain notes, the problem with destroying a planet in the grip of Chaos is that past a certain point the world isn't quite physically there anymore, so the best you can do is try to quarantine it.
    • Tyranids. If a Hive Fleet conquers a planet, even at a staggering cost, it will just add the world's bio-mass to the swarm and recycle the corpses of its dead, emerging only stronger. A controversial but effective tactic is to bait the Tyranids into committing most of a swarm to taking a world, only to blow it up before they can set about harvesting it, with any friendly casualties being acceptable losses. Unfortunately, the ever-evolving Tyranids have bred burrowing organisms capable of riding out such an orbital apocalypse.
    • In Space Marine, Exterminatus is on the table as a worst-case solution to an Ork invasion, not because losing a world to the greenskins is particularly dangerous, but because the world in question is capable of manufacturing Titans. The only reason the planet isn't glassed immediately is because those Titan-producing facilities are just as valuable to the Imperium as to the Orks, so the titular Super Soldier and his squadmates are sent in first.
    • The individual planets in Dawn of War II: Retribution are not beyond saving, but the fact that not only all of the sub-sector has been under attack for the past ten years, but that they're being attacked by nearly every major threat in the Imperium means the region has devolved into such a clusterfuck that most in the Inquisition see Exterminatus as the only viable course of action.
    • Codex: Grey Knights describes something called "the Terminus Decree." Knowledge of its existence is restricted to the Supreme Grand Master, who is only to access it when the fate of humanity's future is in peril.
    • The Necron Tesseract Vault is essentially a weaponised Sealed Evil in a Can device caging a Transcendent C'tan shard. When things really go to hell, the Nemesors can disable the seals and allow the C'tan loose, an act which could be loosely defined as "suicidally reckless" given that the C'tan have no reason at all to be fond of the Necrons, and which is spelled out in the fluff as being just as dangerous to the Necrons as to their enemies.
    • To an Eldar craftworld, this is when they awaken their avatar of Khaine. Awakening an avatar requires naming an Eldar exarch as the Young King, who is then ritually sacrificed to power the avatar. Any course of action that costs Eldar lives is usually avoided, so taking the option that requires at least one death definitely qualifies as crossing this threshold.
  • As the Old World of Darkness drew to a close, the Antediluvian vampire Zapathasura (sire of the Ravnos clan) rose in India and began wrecking things. The Technocracy responded with a Code Ragnarok, their contingency plan for 'if we don't win this, the world ends today' events. It involved solar mirrors (to direct the equivalent of five suns at the super-vampire), Prime-enhanced spirit-shredding nuclear weapons, weather control machines, and more. In fact, Ragnarok authorized the use of the entire Technocratic arsenal, a 100% civilian casualty rate and a 100% operative casualty rate — had Ravnos not been killed by the orbital solar mirrors, God only knows what they'd have used next. If they had anything else to use.
    • This being the World of Darkness, though, things did indeed get worse thanks to Code Ragnarok. The Shadowlands were destroyed, the Fallen escaped from the Abyss, and the Time of Judgement began. Still, it beat the world ending that afternoon.
  • In the New World of Darkness (the relaunch that followed Time of Judgment), Changelings in serious trouble who cross this Threshold can make use of a Goblin Contract titled "Call The Hunt" — you summon The Fair Folk to your location and they'll arrive soon, expecting one of their own to be in danger. On a critical failure, they'll arrive anyway, but they'll know who summoned them.
  • In Exalted, we have the Kukla. Elementals in Exalted take on increasingly draconic forms as they grow in power, culminating in a transformation into a Greater Elemental Dragon. The Kukla is a Greater Elemental Dragon of Earth, whose mere presence is so destructive that he's been sealed away until the Unconquered Sun, ruler of Heaven and arbiter of justice, decides that the situation in Creation is so far past the Godzilla Threshold that the general apocalypse resulting from the Kukla's release cannot possibly make things worse. Just to be perfectly clear: the Kukla is several miles long, utterly indestructible, completely insane, and possibly destined to destroy the world. Things have to be REALLY bad for "Release the Kukla!" to be a good idea.
    • Glories of the Most High revealed that the Unconquered Sun also has the authority to temporarily (if lucky) release a Yozi from Malfeas/Hell. Do mind that the Yozis are insane, world-making, world-sized Titans that have been seeping in divine amount of hatred and misery for several millennia. One of the Yozis, before being defeated by the Exalted, destroyed 90% of Creation — and the remaining portion is several times larger than Earth. Creation is liable to suffer several disasters where their presence is preferable to the alternative (and the Player Characters are tasked with taking care of it).
    • Beyond all of those is the Eschaton Key. When Malfeas created the Unconquered Sun, he granted him the power to utterly annihilate Creation in the event that any of its worst enemies should gain control over it. It's been used only once; to destroy the rival Creation that an enemy Primordial attempted to supplant the original with. After that, the Unconquered Sun sealed his world destroying power within a broken device that is beyond the ability of anyone less than the most powerful Solars to repair and operate.
    • Return of the Scarlet Empress revealed that if things get really, really, Ebon-Dragon-just-signed-his-name-on-the-Moon bad, there are certain world-shaking Astrology charms that can be unlocked for the Sidereals. These allow them to do things like give gods or Exalts battlefield promotions - to Celestial Incarnae.
  • Any situation in which you would consider casting Vengeful Gaze of God in D&D 3rd Ed is probably past the Godzilla Threshold. For those who don't know, it's an epic level spell that will almost certainly kill whatever you're casting it on...but the chances of the caster surviving too is slim to none. Even the book says, "The backlash damagenote  will almost certainly kill the caster, but most would consider this cost worth it."
    • Or, in 3e/3.5e, anything in the Elder Evils rulebook. By the end of the plot arc involving (insert featured superboss here), a spell that obliterates your section of the Multiverse would probably be deemed an acceptable course of action to stop those creatures, especially in Atropus's case.
    • 3.5e's Wu Jen spell, Transcend Mortality. When you cast the spell, you become nigh indestructible for the duration. The cost? You burn out the rest of your life force to cast the spell, and when the effect ends, turn into a small pile of ash.
    • It is generally known that if someone tries to put one extradimensional storage device (e.g., a Bag of Holding) inside another (e.g., a Portable Hole), the result is a catastrophic rending of the fabric of the universe. The extent of this rip depends on the GM's whim, but by and large the result is usually miles in diameter, cannot be done from range, and kills everyone and everything within the "blast" zone. (Okay, there's a slim chance of being cast into another plane instead.) Adventurers have been known to do this anyway, if the situation is dire enough.
    • The artifact called the Bringer of Doom opens a massive cross-rip into Hades and releases thousands of hordlings over a radius of several miles. The user never survives.
    • A mage with a staff of power or staff of the Magi can perform what is euphemistically called a "retributive strike" — breaking the staff itself, killing herself and making a very big mess of the surrounding area.
  • Players in Call of Cthulhu with a bent towards magic can summon Azathoth to Earth. Azathoth, is the boss of bosses of the Lovecraft Mythos, the blind idiot god that sits at the center of reality and is best described as a cross between an titanic amoeba and an ever-expanding nuclear explosion. Presumably, a sane player would only do this if the stars have become so right that Cthulhu and his pals are tap-dancing down Main Street.
    • Keeping the mechanics of the game in mind, any situation where summoning Azathoth wouldn't make the situation significantly worse will almost certainly already have rendered all the player characters irretrievably insane.
  • In Duel Terminal, the background fluff behind the Hidden Arsenal series of Yu-Gi-Oh! cards, the Ice Barrier tribe fought against the invading Worms and Fabled by progressively unlocking seals on a series of powerful Ice Barrier monsters. Eventually, they wound up pushed so far back against the wall that they released Trishula, Dragon of the Ice Barriernote . In its berserk rampage, Trishula wiped out nearly everybody, friend and foe alike, including the Ice Barrier tribe themselves. Later expansions on the storyline imply that there were survivors, just not very many.
  • In Witchcraft the Mad Gods are seen this way by the Mocker covenant (and doubtless other factions). The point is made that if an incarnation of a Mad God is imminent, a Mocker will stop at nothing to prevent it ("If doing so requires him to detonate a nuclear device in downtown New York, so be it").
  • Trinity almost had this as part of the backstory. When the Aberrants were truly ruining the world, China politely informed them that if they didn't leave the planet immediately, the entirety of China's orbital platforms would perform a simultaneous nuclear bombardment on every surface of the earth until it was turned into glass. Rather than preside over an empire of smoldering, irradiated, fused carbon and silicon, the Aberrants decided to take off, and China took its proverbial finger away from the Big Red Button.
  • One high-clearance Paranoia NPC, faced with the prospect of another one blowing up all of Alpha Complex with an Old Reckoning antimatter bomb, gives the PCs his ID card before running away from the approaching interrogators.
    • For those of you who don't play Paranoia that's the equivalent to the Director of the FBI giving you his ID.
  • In Strike Legion, each Strike Team has access to the "Ultimate Solution": a piece of weaponized nanotech so powerful it can destroy an entire Dyson Sphere in seconds. Use of this weapon is considered an extreme last resort, for obvious reasons; Legionaires are usually sent in for more covert missions where outright annihilation of a target is not acceptable, and typically pack planet-ending firepower as standard kit, which puts the need for them to have a "last resort" weapon in perspective. If the Ultimate Solution becomes necessary, things have gotten really bad.
  • In Eclipse Phase, Firewall deploys "erasure squads" to eliminate existential threats that have gotten out of hand and can no longer be contained by the sentinel teams. Erasure squads' tactics range from assaulting and killing everything in a building to nuking an entire habitat with a kinetic strike. Furthermore, Firewall is fully prepared to cover the tracks of an erasure squad's actions by forging evidence proving some other faction was responsible for the atrocity in order to maintain Firewall's own operational security, even if this means burning the sentinel team that was unable to contain the x-threat.

    Video Games 
  • In Super Godzilla, this actually happens several times: The first, when the Japanese government decides to awaken and control Godzilla in order to fight aliens and the monsters they send (making this one a literal example of the Godzilla Threshold); later, when making Godzilla stronger by way of injecting King Ghidorah cells; and in the final two stages, where it becomes necessary to pour huge amounts of energy into Big G in order to turn him into the titular Super Godzilla.
  • In the Geneforge series, the rebellion which breaks out in the 3rd game is on the edge of defeat by the 4th. While the humans and serviles in the rebellion could survive being ruled by the Shapers again, the drakons know they will not be allowed to exist under Shaper rule. To turn the war, they create the Unbound, which are massively powerful but completely insane, and release them into Shaper lands to rampage around.
  • Invoked several times in the Halo series:
    • Ordering the SPARTAN II project was considered this by ONI Command. The Insurrectionists on the colony worlds commonly used coordinated terrorist tactics in order to forcibly declare independence for the UEG. The UNSC Navy and Marines weren't able to keep up, even though they had far greater numbers, due to the collateral damage that would have been invoked. In other words, kidnapping and manipulating 6 year-old children into sociopathic walking tanks was considered preferable to the potential loss of innocent life that a drawn-out civil war would have resulted in.
    • In Halo 3, when a flood infected ship crashes in New Mombasa, Commander Keys proposes to overload a slipstream engine inside the city and wiping out everything in the area. Though usually rather timid in his decisions, Lord Hood only replies with "Do it!".
    • The Flood evoke this reaction in more than just humans: again in Halo 3, when there's a relatively small Flood outbreak in Africa, the Elites who show up in a Big Damn Heroes moment torch the continent to get rid of it. When Lord Hood protests this action, the Elite Shipmaster responds that he fully intended to burn all of Earth just to make sure that every last Flood spore was absolutely dead, and only the Arbiter's arguing against it stopped him from doing so.
    • The Halos themselves were built (and activated) due to the Threshold being crossed: wiping out almost all intelligent life in the galaxy was an acceptable alternative compared to the Flood, as far as the Forerunners were concerned.
    • In Halo: Reach Kat comes up with an insane plan after the Covenant super-carrier arrives at Reach, to which Cater replies he'll ask, but they'll never get a green light for it. One Gilligan Cut later...
  • For many Armored Core players, the appearance of AC Nine Ball is an instant Godzilla Threshold scenario.
    • It's a relatively minor and easy to miss one, but in AC4: For Answer you can become one, if you kill hundreds of millions of people by bringing down the cradle, Otsdarva will be one of the 5 NEXT teaming up to take you down as payback.
  • The Big Bads of Prototype are ready to nuke Manhattan to stop the spread of Redlight. This is supposed to be the chocolate syrup on their villainy sundae. The problem is, Redlight is so apocalyptically dangerous — it has to be far past the Godzilla threshold, or Alex could never be the "hero" — that to the player this can seem like a reasonable, if grim, last ditch effort to save the rest of the world.
  • The Planet itself in Final Fantasy VII responds to the threat of Jenova by creating the WEAPONs from The Lifestream itself, whose mission is to destroy whatever is threatening the planet. Since they can't reach Jenova, they go for the next biggest threat to the planet: Humans.
  • World in Conflict: Nuking Cascade Falls to prevent the Soviets from finding about SDI (the only thing stopping the Soviets from using nuclear weapons...and a fake reassurance, since it's completely non-functional), and at the end of the game, nearly nuking Seattle to prevent the Chinese, coming to reinforce the failing Soviet invasion, from landing there.
  • In Mario & Luigi: Bowser's Inside Story, Bowser can only be turned into Giant Bowser when his life is in mortal danger, e.g. when he is flattened by an enemy far too big to fight normally. Almost a literal case.
  • At one point in Tales of the Abyss, Jade suggest that the only way to save the world is to sacrifice the lives of 10,000 replicas, which in game basically boils down to sacrificing 10,000 babies. A few hours later you really don't get a choice otherwise.
  • Villainous example occurs in Star Fox 64. Facing down a battalion of Andross's ships, the general is throwing everything on hand at you, save for a prototype the scientists insist is too dangerous. At the end of the level, he yells "Deploy it now!" and the prototype serves as the boss - a biomechanical dimension hopping battlecruiser with free will.
  • The second disk of Wild ARMs 2 reveals that pretty much every threat from the first disk, from the terrorist organization trying to conquer the world to the Eldritch Abomination sealed inside the protagonist, was part of a plan by Irving to combat the most ludicrously overpowered threat of all time: a parallel universe that eats other universes.
  • In Shin Megami Tensei: Devil Survivor, the government has a 'final option' that it will unleash on the Yamamote Line if they can't take control of the situation taking place inside, and is why nobody inside has more than six days to live. It's a chip installed in all japanese electronics that lets the government control them remotely, and use it to create enormous amounts of EM radiation which would fry every electric circuit and every living being inside. Incidentally, this is the smallest of three Thresholds in the game.
  • In Devil Survivor 2, on Friday, you discover a giant magic circle. Later that day, you encounter the Asteroids Monster Mizar. Attacking one of its blobs with anything short of a One-Hit Kill causes it to split, and leaving them alone allows them to grow and split at their leisure. At the rate it's growing, Mizar will be everywhere in a day. When you mention the magic circle to Yamato, he reveals that its power would suffice, but it's currently preventing the last few steps of The End of the World as We Know It. He forces you to work it out yourself, but it does turn out that Mizar is now the bigger threat to existence.
  • Starcraft, the Protoss consider the Godzilla Treshold crossed when they find out the Zerg have infested a world. Their standard solution is an orbital bombardment that burns everything on the planet to a crisp. Even this isn't enough, as the Zerg are perfectly capable of digging burrows deep enough to avoid destruction and hibernating until more prey arrives.
    • Arcturus Mengsk sees the Confederacy's corruption as having crossed the threshold to justify using a psi emitter to lure the Zerg to their capital world, then lets the Protoss burn the Zerg and Confederates both. However, its only Mengsk who sees it this way, the others see it as a Moral Event Horizon for him.
    • Then along comes StarCraft II, when it turns out that the Zerg need to be allied with against an oncoming threat even more terrible — a fallen Xel'Naga, and an army of even more lethal Protoss/Zerg Hybrids.
  • In World of Warcraft, the Godzilla Threshold is pretty consistent: for really, really bad threats, the Horde and Alliance work together. Most of the time they're at each others' throats in a Cold War or even proxy war. Against pests or regional threats, the Alliance and the Horde ignore each other or even try to backstab each other so their own people can claim the prize first. But against an awakened Old God, the beachead of a demonic invasion, the Lich King, or the biggest and most evil dragon ever, they ally. Temporarily.
    • Unfortunately, after the Cavalry Betrayal at the Wrathgate the level of danger required to set aside their differences has risen significantly, due in part to the enmity of Garrosh and Variann. Ultimately where the Lich King, Deathwing, and Thunder King were all not enough to unite the two factions, Garrosh himself manages to cross the threshold.
  • The Enclave in the Fallout series sees the proliferation of mutants in the wasteland as their threshold. Unfortunately for everyone, to the Enclave "mutant" doesn't just mean the super mutants and deformed ghouls, it includes any human who has been exposed to radiation for an extended period of time, in other words everyone not a member of the Enclave or living in a Vault. Their solution is to use a modified strand of the FEV virus and release it into the air currents and later water supply to kill them all.
  • Capcom loves this trope, from the total destructions of Raccoon City in Resident Evil 3: Nemesis and Fortune City to the massacres at Santa Cabeza and Willamette in Dead Rising.
  • In Dragon Age: Origins, the Templars believe the threshold has been crossed after the Circle Tower is overrun by abominations. Their Knight Commander has already sent word to the Chantry in Denerim requesting permission to invoke the Rite of Annulment which would allow him to use the full might of the Templars to completely purge the Tower. This happens at the worst possible time since you really need the support of the mages against the Blight. You do have a couple options though: 1) kill the abominations yourself and save the mages, or 2) kill everything in the Tower and have the Templars now free of their responsibilities of mage babysitting join you.
    • The Blight has played this role for over a millenium, to the point where the Chantry is willing to look the other way when the Grey Wardens recruits criminals, apostates, or decide to dabble in blood magic.
      • The games show actually several cases where the Wardens habit of breaking Chantry's laws with impunity backfire, like the mess left by Sophia Dryden's rebellion, or what happened with Corypheus' prison or, the most obvious case The Warden Commander of Ferelden taking Anders under his/her wing
    • Some mages fighting for their freedom or life decide to use Blood Magic or make deal with a demon. These situations usually end up badly - with the unfortunate mage getting possessed or driven insane with power. There are also shades of Then Let Me Be Evil, since many mages believe that if templars are going accuse them of Blood Magic anyway, they can as well go along with it and use the best weapon they have on their disposal.
  • In Dwarf Fortress, many failed, incomplete, or patently insane Doomsday Devices get activated as a last ditch effort to hold off invaders when all other methods have failed; a common version is digging straight down through adamantine veins as a final "screw you" to the would-be conquerors.
    • Upon discovering what lay beyond the adamantine the hard way, Bay 12 forumgoer SpiralDimentia decided to release his captive (hostile) bronze colossus in hopes of it fighting the... you know. This didn't work, but was applauded as sufficiently dwarven, especially since he tried to resettle the place twice after losing everything, despite the bronze colossus and the... you know... still being in residence there.
    • Failed miserably in one fortress that was being attacked by husks, and decided to Breach the Circus; it turns out that DEMONS are insufficiently Godzillaesque to defeat husks.
  • In Modern Warfare 2, Captain Price's plan to fire a Russian nuclear missile at the US Eastern Seaboard in order to use the EMP to stop the Russian invasion:
    Price: Do you know how to put out an oil fire, sir? You set off a bigger explosion next to it. Sucks out all the oxygen. Snuffs the flame. (...) We've got a pretty big fire. We're going to need a huge bang...
    • Also in the sequel, when the team has to take Makarov's bomber, Volk, out of Paris alive so he can be interrogated. When they get to the bridge over the Seine, they meet a Russian barricade which won't let them through. The air support manages to wipe them out, but in the process they end up bringing the Eiffel Tower down. This is because the President gave them a clear order to do what they have to do to bring Volk alive.
  • In BlazBlue, Litchi crossed this in two phases on a personal case. The first phase, on realizing that Lotte Carmine was inflicted with an extreme corruption of the Boundary which practically has no normal permanent cure and begging for Kokonoe to help does no use, she sees it fit to corrupt herself with the Boundary to find symptoms and develop the cure from experience. The second phase is when she found no cure overall and her own corruption was getting to her, she sees it fit to join the NOL for the small hope of cure, despite the organization storing someone who's pegged as extremely shady and suspicious (Hazama), or blatant monster of a father (Relius).
    • Also in BlazBlue: Chrono Phantasma, Kushinada's Lynchpin is a device that disrupts seithr on a global scale, and Houyoku: Rettenjou is the Nox Nyctores designed to activate it. Lord Tenjou refused to activate the Lynchpin during the Ikaruga Civil War, however, because the world had become dependent on seithr-fueled ars magus to function, and chose to seal his soul inside of it in case it became necessary to use it. By the end of the story, Relius had rigged every cauldron in the world to vomit ridiculous concentrations of seithr, which resulted in casualties the world over with every lost soul being dragged into the Ibukido monolith as a means to summon Master Unit: Amaterasu, which made activating the Lynchpin mandatory, and in some ways preferable to allowing this Doomsday to continue.
  • In Mortal Kombat 9, after an effort to change timeline causes Sindel to brutally murder the majority of the heroes, Raiden sees it fit that the only option left is to ally with Quan Chi to stand a chance against Shao Kahn, with the souls of the dead heroes as the wager. The bad news, Shao Kahn already sold the soul of the heroes to Quan Chi. The good news, only by fighting the dead heroes would Raiden get an Eureka Moment on how exactly to beat Shao Kahn.
  • In the Mass Effect 2 DLC Arrival, this is invoked, as the Reapers are set to arrive at the Alpha Relay in mere hours. There is only one viable solution to stop it from happening: destroying the Relay, and thus setting off a supernova-level explosion that wipes out a nearby colony world with over 300,000 batarians. It isn't pretty, but it has to be done.
  • Mass Effect 3 races past the Godzilla Threshold before the player even presses start.
    • Due to Shepard's actions in "The Arrival", they have been branded a War Criminal and Terrorist throughout Citadel Space. Then the Reapers arrive. The charges are immediately dropped because not only does everyone realise that Shepard was right, but they are the only person who's ever been capable of actually killing them!
    • The continuity's equivalent of Godzilla, the literal mother of all Thresher Maws, is summoned and it proceeds to eat a Reaper.
    • By the end of the game, your coalition can include several of the biggest threats in galactic history.
    • Admiral Hackett points out that there is no way in hell that a super weapon as powerful as the Crucible would ever be seriously considered under normal circumstances, but the Reapers have forced humanity's hand. Indeed, no one even knows what the Crucible even does, all they know is that it can generate an immense amount of energy. The fact remains that the Crucible is the only thing in the galaxy with enough raw power output to defeat the Reapers, though, so...
    • The Codex entry "Desperate Measures" discusses different ways that are being considered to stop the Reapers that would never be considered in normal warfare, such as destroying mass relays to strand them in distant systems (they'd just go the long way) or ramming them with starships traveling at FTL speeds (integral safety protocols make it impractical at best).
    • One planet decided to blow itself up so they didn't suffer a Fate Worse than Death and become indoctrinated.
    • In the Leviathan DLC, Shepard brokers an truce with the last surviving members of the Eldritch Abomination race that inadvertantly created the Reapers, gaining their help to defeat their errant progeny.
    • Three of the four possible endings of the game involve this in one way or another. Because of the situation, the Catalyst offers the only real way out, so either Shepard has to go with one of three options - none of which are a clear-cut victory and all involve some sacrifices - or doom the galaxy. If Shepard takes too long, the Crucible is destroyed. If Shepard refuses any of the above options, the galaxy falls and its up to the next cycle to do the job using what Shepard's people left behind.
    • In Mass Effect 2 you are sent aboard a dead reaper. The Illusive Man later tells you that the Reaper (and another planet) were hit by a mass accelerator round (which travels several timers faster than the speed of light) and that the race who fired the shot didn't fare much better
  • Has happened at least once in Touhou. At some point in recent history, humankind's disbelief of anything supernatural had grown enough to threaten the very existence of supernatural beings. Seeing this situation, the youkai sages decided to erect the Hakurei barrier to rip Gensokyo from real world, so that the land become the final haven of everything supernatural. They knew that they were going to offend the Dragon of Gensokyo, and the Dragon did appear in all its catastrophic glory, covering the sky from one horizon to the opposite, while downpouring from the Dragon's body threatened to drown the land. Amazingly, the Dragon was willing to listen to the sages, and it agreed to their plan. Then it disappeared, and (thankfully) never seen again since then.
  • A possible result in The Elder Scrolls V: Skyrim. Your character may be the leader of the Thieves' Guild, the Dark Brotherhood, have completed each Daedric quest (even the ones that involve murder, betrayal, torture, and cannibalism), and murdered hundreds of innocent people. But the Graybeards will still teach your character the way of the Voice, despite being someone that will doubtlessly abuse this power, because you're still the world's only hope at defeating the dragons.
  • In Saints Row: The Third in one possible ending, after a beloved monument is destroyed, Senator Monica Hughes allows STAG to deploy the much hinted-at Daedalus, an Airborne Aircraft Carrier that begins indiscriminately attacking Steelport in a desperate attempt to wipe out the Saints.
  • Pops up in the final GDI mission of Command & Conquer 3: Tiberium Wars. Faced with a grueling assault on an enemy stronghold in hopes of ending an Alien Invasion, Director Boyle will urge you to use the Liquid Tiberium bomb to wipe out the foe with a single press of a button - even though doing so will set off a chain reaction in the world's largest Red Zone, killing millions if not billions of civilians, causing irreparable environmental damage, and annihilating your own army. However, as hard as the fight is, your forces are still capable of winning without using the bomb and thereby destroying southern Europe.
  • In Fortune Street, when you play against both Peach and Bowser and reach the monetary value necessary to win, Peach will sometimes directly order Bowser to destroy you. This surprises even him, but he admits that he likes it.
  • Gears of War: In the backstory, the Locust invasion was so devastating that the Hammer of Dawn Kill Sat was used to destroy all the major cities to slow the advance. In 3, you deal with the aftermath of this when you visit Char, a city that was leveled by the attack.
  • Apparently Professor Gerald using an alien's DNA to create the Ultimate Lifeform was the Godzilla Threshold for G.U.N. to storm Space Colony Ark and arrest (or kill) everyone on-board.
  • In Dark Souls the Darkwraiths sealed under the flooded city of New Londo caused a Godzilla Threshold. The Darkwraiths you see are corrupted, evil monsters who devoured humanity (The precious, ethereal substance, not actual people). There were such a threat to anything that possessed a soul that the Sealers, a group of pacifists, flooded an entire city, drowning its entire populace just to seal them away.
    • The fading of the First Flame is the threshold for the gods. The Fire is so sacred, that they are willing to do anything to keep it burning just a little while longer. The Witch of Izalith attempted to use her Lord Soul as a replacement. When that went horribly wrong, Gwyn divided his Lord Soul up and plunged into the First Flame himself to reignite it. He's been burning alive in it ever since. And now that it's fading again, what remains of the pantheon is ready to sacrifice one hapless Undead and the remaining scraps of the Lord Souls to keep the Flame lit.
  • Blast Corps has a truck with a pair of defective nuclear missiles. The truck's computer goes on the fritz and winds up locking the controls while going on auto-pilot mode and goes directly straight to its destination, regardless on what is its way. The slightest jolt will cause the missiles to explode and destroy everything in a several mile wide radius. The solution? Destroy entire towns and cities by using machines and vehicles designed for destruction so that the truck has a clear path. The game even keeps track on how much damage you caused, which can easily skyrocket to the millions and billions of dollars. You will level entire towns, but it's a small price to pay to avoid a nuclear winter.
  • In Dragon Age II, during the Qunari invasion of the Kirkwall, the situation gets so dire that when Knight-Commander Meredith discovers that Mage!Hawke has been operating as an illegal apostate under the Templars very noses for the last four years... she does the smart thing and immediately declares a truce until the crisis is dealt with! At this point, she needs all the help she can get in retaking the city, even if it comes from an Apostate Mage!
    • At the end of Act III, the threshold is crossed deliberately to instigate a Godzilla Arms Race between factions. A lone terrorist blows up a church, massacring hundreds. This also killed the only person holding Meredith back from the genocide she had wanted to commit all along. With the threat of The Unfettered Meredith, Orsino had no choice but to match her with all the forbidden magic he could get his hands on.
  • In Knights of the Old Republic, the backstory of the Jedi Exile is that they confronted this at Malachor V. The situation became so dire they were forced to unleash a superweapon, which ended up not only killing every single thing on the planet, but the entire fleet in orbit! The sheer scale of the destruction caused the Exile to become severed from the Force and lead them to willingly accept exile on the Outer Rim for over ten years.
  • In the Super Robot Wars Original Generation, there's two Godzilla Thresholds. The first is the usage of Only One Crash and the creation of the Super Robot SRX and the powerful Hyper Tromium Buster Cannon. The second? Unsealing the RTX-008L Huckebein L, one of two robots powered by a black hole and basically weaponizes it.
  • Briefly considered in Assassin's Creed III. In one conversation with Rebecca, she suggests presenting all of the information the team has gathered to Abstergo so they can help avert the solar flare. Desmond replies that he actually considered that option, and only refrained from doing so because he believes Abstergo already knows about the threat and is trying to take advantage of it. The very idea of Assassins seriously considering working with Templars, in particular Desmond who has been imprisoned and experimented on by them, shows just how dire the situation is. Later, Minerva will actually encourage Desmond to allow the solar flare to wipe out most of humanity rather than set Juno loose. Juno is apparently that dangerous.
  • In Shin Super Robot Wars, Ryouma Nagare, for his part, is rather reluctant to invoke the potentially catastrophic might of the Shin Getter, but will admit the aliens pose an even greater threat.
  • In Hyperdimension Neptunia mk2, one possible ending revolves around the main character deciding the threshold has been crossed. The rest of the party disagrees, though. After Nepgear goes through with the "godzilla" move (by traumatically murdering all her friends, including a pair of children, and then her own sister), she confronts the Big Bad, only to find out she's just committed the same catastrophe she was trying to head off. Yes, she can kill the Big Bad, but it's so inconsequential now there's no point. Roll credits.
  • Dialogue and flashbacks hint that training Spyro and sending him to fight in The Legend of Spyro trilogy could be seen as crossing the threshold; his full power is capable of destroying and remaking the world and at least one other purple dragon before him went mad with power and became the Big Bad. Unfortunately, the Dark Master's follower, Cynder in particular, are too much for the aging Dragon Guardians and their allies.
  • In Star Control II, if you reveal the existence of a surviving Dnyarri to the Ur-Quan, they will utterly panic, the only time in the game their demeanor of self-assured superiority breaks down. The Ur-Quan will even consider trying to talk the Kohr-Ah into a cease-fire to deal with this, but decide the Kohr-Ah will think it a trick and not believe them. This is the only way in the entire game to talk the Ur-Quan and have them let you go without a fight: indeed, they say that if you return to your homeworld at once and destroy your ship, they will pardon humanity of all crimes against the Ur-Quan that your rebellion has broken (the penalty is usually death), in exchange for letting them know about this threat.
  • NetHack, along with other roguelikes, is a game that rewards carefully weighing your options and building a toolkit to deal with any situation. So when it all goes wrong and the player's back is to the wall, it's all the more jarring to break out all those blatantly stupid actions, like drinking unidentified potions or zapping an empty wand for that 1/128 chance for it to work.
  • Arc the Lad 2 has a villain be the one who gets pushed too far. With his evil empire defeated and the heroes closing in on him, he decides to break the last remaining seal and let The Dark One out of his prison. Needless to say, this does not work out well for anyone.
  • The climax of Eternal Darkness is essentially this. In order to stop the Eldritch Abomination that Pious summons, Alex Roivas uses the City on En'gha summons another Eldritch Abomination capable of defeating it. Of course, once the former is defeated, she realizes that it's just as likely to destroy humanity. Luckily, her grandfather's ghost is on hand to seal the latter one away.
  • Near the end of Shadowrun Returns, the threat at hand is so existentially dangerous that the player character and allies decide it's worth it to conduct a raid on a major Mega Corp., with all the retributive death squads and other consequences that will entail, if it means they can get the resources needed to defeat the current threat. The fact that you crossed the threshold in the first place draws the attention of said Mega Corp.'s CEO, who decides to actually ask you why you went to such an extreme risk rather than kill you out of hand, which leads to him supporting you in saving the entire city from the impending spirit insect invasion.
  • In Injustice: Gods Among Us, Regular!Batman gets Regime!Batman to cross his own personal Godzilla Threshold by using the dimensional transporter to bring Regular!Superman to fight Regime!Superman and his army. Fortunately for Regime!Batman, this turns out to be a very wise move, considering Regular!Superman pretty much single-handedly saves the day.

    Western Animation 
  • One episode of Justice League Unlimited had the heroes use the Kill Sat integrated into their orbital base when facing a geometrically reproducing Grey Goo swarm of replicating robots. They were called on it by the government (especially as they had kept it a secret), and this later spawned a great deal of mistrust and a hijacking of said Kill Sat.
    • When Darkseid shows up, Superman fights him without restraint while giving the trope-naming "World of Cardboard" Speech. The damage to the city is immense. He is also the only villain that Superman is perfectly willing (and actually WANTS) to kill.
      • And just before that, the Legion of Doom crosses their own threshold in response to Darkseid: they go to the Justice League for help.
    • In general, the League has "Omega" level threats, that require every single League member to drop everything and fight. We've only seen four such cases in Unlimited, two being the already mentioned Grey Goo and Darkseid invasion, while a third was against an extremely powerful magician, and the last was when the android Amazo returned.
      • Amazo had basically achieved Godhood at that point, and appeared to have destroyed the planet of the Green Lanterns on it's way to Earth. Even the Martian Manhunter thought that the only option left was to let the Green Lanterns use all their remaining power to destroy the Android, which would of taken about Half the Earth with it.
    • In another universe, Lex Luther had become president, killed the Flash , and was about to cause some kind of mass war (most likely nuclear) that could destroy the planet. This is what pushed Superman past his no killing code, and made the Justice League take control of the Earth.
  • In Young Justice, with most of the team imprisoned by the powerful Black Beetle, Roy Harper releases the Galactic Conqueror Mongul from his cell first, allowing Roy to free the rest of the team while Mongul and Black Beetle fight.
    • Also happens with the helmet of Dr. Fate. Anyone who puts on the helmet gains incredible magic power, but runs the risk of having their body stolen permanently by the Lord of Order, Nabu, who is tired of being stuck helplessly in the helmet while the forces of chaos have their way with the world. Wearing the helmet is considered an absolute last resort, but even so it's worn by three different members of the team, each time because it was clearly the only viable option.
  • The DuckTales episode "The Uncrashable Hindentanic" revolves around Uncle Scrooge and his new airship. His sidekick and perennial crasher of aircraft Launchpad desperatly wants to fly it but is told that Scrooge actually wants to keep the airship in one piece. When the events of the episode conspire against this Scrooge eventually relents and tells Lauchpad to take the wheel. They crash, but Launchpad accidentally takes out the opposition while saving the passengers.
    • "If we are going to crash anyway, we may as well crash with style."
  • In the Danny Phantom episode "The Ultimate Enemy" Clockwork actually alters time—consider that he is in charge of maintaining the proper flow of time—to stop Dark Danny from coming into existence.
  • In the last few minutes of the Ben 10: Ultimate Alien episode "Forge of Creation", Aggregor defeats the heroes and is moments away from acquiring Reality Warper abilities that will grant him eternal power over the universe. Kevin then absorbs energy from the Ultimatrix to go One-Winged Angel to stop him, knowing that this will make him insanely evil again. Thankfully, Ben's younger self is able to guilt-trip Kevin out of trying to steal the Reality Warper powers for himself.
    • In the Ben 10: Omniverse episode "Mystery, Incorporeal", the odd battles around campus repeatedly cause Ben's Omnitrix to glitch and only offer Ghostfreak - the form whose DNA sample comes from an evil mastermind named Zs'Skayr who can regenerate From a Single Cell, including the Omnitrix's sample of him. If Ben uses Ghostfreak, it may control him and not the other way around. When Darkstar's plans to gain ultimate power begin to come to fruition, Ben gives in and actually uses him. He has no problems since Zs'Skayr has already regenerated elsewhere.
  • In Teen Titans in the episode "Aftershock" pt. II, Terra realizes that the only way to stop Slade, after he took control of her body with a suit that fused into her very nerves and used her body and powers to beat up the Teen Titans and she had unleashed a volcano that could destroy the entire city, she realizes she is the only one who has any chance of stopping the volcano. So she kills two birds with one stone, stops the volcano and kills Slade with the lava, and is fossillised in lava and becomes stone.
  • Some of the situations in Megas XLR are across the line, such as Earth being invaded by the almost unkillable metal-devouring robot R.E.G.I.S. Mk 5, which had been scheduled to be thrown into a black hole until Coop accidentally rammed the ship transporting it. The only problem is that Coop is nowhere near smart enough to identify which situations are across the line, and as a result tends to Godzilla every problem whether it's appropriate or not...and, of course, most of them are his fault anyway.
    • For the record, he discovered that the R.E.G.I.S. Mk 5 was solar powered and would forever stay active so long as there was light to power it. Coop's solution was to block out all sunlight so it couldn't operate. He does this by creating a nuclear winter scenario by belching enough smog out of his engine to block out the whole damn sky.
    • In the second S-Force episode, Targon believes that enlisting Coop's help qualifies as the trope.
  • In Hot Wheels Battle Force 5, Sage was forced to freeze the entire Red Sentient race to stop her Evil Twin brother Krytus from leading them on a multiversal conquest. When Krytus and her have their final confrontation, she tells him she did it because he was a threat to not only her entire race but the multiverse and she had to. Krytus' response? "You were right!" It says a lot when the guy she used it on is well aware that she was justifed for doing so and doesn't care.
  • In the Grand Finale of Jackie Chan Adventures, Drago has gone One-Winged Angel, destroyed Section 13, devastated San Francisco, and is preparing to release the demon world unto Earth. To stop him, the heroes have to free his father Shendu from his imprisonment to fight him. Fortunately for them, Shendu is more angry at his son for trying to take over "his" world than at the heroes for his previous defeats at their hands, and he keeps Drago busy long enough for them to figure out how to banish both of them.
  • Happens in the Beast Wars finale; "Nemesis". Upon realizing that Megatron has discovered the titular warship, virtually guaranteeing him an automatic win in the war, Optimus turns to Depthcharge, as the ship is hidden deep underwater and begs him to stop Megatron at any cost. Depthcharge, (who has always questioned and defied every order given to him, only focusing on revenge against Rampage), immediately complies without a moment's hesitation.
    • Megatron trying to destroy Optimus Prime was this. He muses that he was hesitant to make such a drastic change to the timeline but realizes that he now had no choice but to make the ultimate gamble.
  • The "TransWarped" episode of Transformers Animated sees the Autobots' human friend, Sari Sumdac, upgrade herself into a more powerful, teenage form, but the upgrade goes horribly wrong, resulting in her almost killing her best friend and blowing up the city. Her powers are eventually bypassed, but when Megatron shows up in control of the Autobots' tide-turning, war-winning weapon, Optimus Prime is forced to consider the option of removing the bypass and unleashing the girl, in an apocalyptically uncontrollable state, on Megatron and Omega Supreme.
  • In the second season of ReBoot, a web creature evades capture and deletion to open a massive invasion portal from the web. This jolts the entire Mainframe system into survival at all costs protocols, Phong uniting with both Megabyte and Hexadecimal to build a portal closing supercannon and building a massive common army to hold the invaders at bay long enough to use it.
  • South Park, "It's a Jersey Thing": When over half of America is taken over by New Jersey, the nation eventually turns to Al Qaeda for help.
  • Johnny Test: In the episode "JX5: The Final Ending" Johnny, while in an Enemy Mine situation with five of his archenemies who have gained his powers, suggest that they form one huge Power Poot to destroy Dark Vegan's flagship after he rips out the self-destruct button. It works, destroying the entire fleet.
    • In "Johnny X Strikes Back...Again!" the CIA's two Gone Horribly Wrong supersoldiers actually succeed in taking over the world, and they're arguably the most powerful villains on the show, so Johnny copies his powers to at least ten other characters to destroy them.
  • In the final episode of W.I.T.C.H., the Guardians are forced to use the Zenith forms, basically becoming their trademark elements, to battle a massively powered up Cedric. It nearly goes sour as the girls lose themselves in this form.
  • The Real Ghostbusters episode "Revenge of Murray the Mantis", a giant supernatural praying mantis goes on a rampage through New York, and to stop it the boys release The Big Guy. Who is "the big guy"? Everyone's favorite 100-ft. Marshmallow man, Mr. Stay-Puft himself! Don't worry, "he's all better now", and the fight between him and the mantis is one of the series highlights.
  • In season 1 of Wakfu, Sadlygrove has to be careful not to let the Shushu Rubilax imprisoned inside his sword from possessing him. Otherwise, he becomes a hulking gray monster that attacks everyone around him. After some further training with his master in the desert and defeating Rubilax in a duel, Sadlygrove can only be possessed if he lets Rubilax possess him. In episode 25, Nox unleashes his most powerful creation, a clockwork monster called Razortime. Razortime proves to be so dangerous that Sadlygrove willingly lets Rubilax possess him when the Shushu practically begs Sadlygrove to let him help. Unfortunately, Razortime is too much even for Sadlygrove's demon form.
  • In the My Little Pony: Friendship Is Magic episode Twilights Kingdom Part 1, since Lord Tirek has the power to drain ponies of their magic (and in effect take away their cutie marks), local Mad God Discord is tasked with catching him. Discord's ability to sense magical disruptions makes him the only one capable of finding Tirek before his power grows too great, in addition to being so powerful that Tirek does not yet have the strength to drain him as he does ponies.

    Web Comics 
  • Tower of God: No-one wanted to deal with Viole. To them, he was a villain, the most dangerous enemy. But when Lurker brutally murders his friend Nia, Wangnan goes and practically begs him on his hands and knees to stop Lurker.
  • In Bob and George during the fifth Megaman game the Bass and Mega Man alternates deem Bob to be such a great threat to the Multiverse that they decide to sacrifice the Earth (of one dimension) in order to stop him. And it doesn't work.
  • Homestuck: By Act 5, all the kids' plans to deal with how screwed up their Sburb session has gotten fall into this trope. Then things get so bad that they execute all three plans at once.
  • Floyd had this exchange when our heroes were scheduled to stew for giants:
    Carmen: Now... Floyd, it's time for you to learn a spell that may get you out of this mess.
    Floyd: Um, Carmen? You said that me casting spells was a bad idea!
    Carmen: It is, but you two being eaten is marginally worse.
  • In The Order of the Stick, the Gates are all that hold back the Snarl supposedly. If all of them are destroyed, the Snarl would be unleashed. It's still better than letting someone evil gain control of one, since it would theoretically give them the power to threaten and blackmail the gods themselves.

    Web Original 
  • What the SCP Foundation are prepared to do to contain some items. Then again, an awful lot of the things they deal with really are that dangerous. Most foundation sites must have a several megaton strong nuke armed at all times for exactly this kind of situation.
    • Their opposite-number the Global Occult Coalition has Emergency Procedure "Pizzicato" for massive emergence of Threat Entities. Force authorisation states that "All restrictions re: NBC weaponry, Memetic Cascade Sequences, and Nanotech Grey Goo items withdrawn" and "Acceptable Collateral Damage: 90% of worldwide human population".
  • Quantum from the Global Guardians PBEM Universe was the most powerful superbeing on Earth. He was quite literally capable of disintegrating the moon, had he wanted to, but of course he never wanted to. When the Xorn invaded, he went out to meet their attack fleet in space and finally let himself cut loose. It was almost enough.
  • This is how Kickassia regards convincing Spoony to become Dr. Insano.
  • The Director of Red vs. Blue creates Godzillas just so he can be ready for this:
    Director: When faced with extinction, every alternative is preferable!
  • Pretty much every plan to deal with Tennyo in the Whateley Universe. One we saw in a holographic simulation destroyed the Eastern Seaboard of the U.S. and plunged the planet into nuclear winter. And they considered it a reasonable alternative.
    • They also have Plans A-Z...
    • The 'they' in this place is Tennyo's best friends. Tennyo approves.
  • In Worm, the threshold is crossed more than once:
    • The Endbringers are three Nigh Invulnerable, superpowered monsters who have collectively brought humanity to its knees over the course of decades of city-destroying and superhero-slaying attacks. Nuclear weapons are the least of the measures attempted against these monstrosities, as demonstrated when one parahuman makes a plan to attack one with a weapon capable of destroying India.
    • The possibility of opening the Birdcage is discussed several times, as it contains some of the worst and most powerful parahumans in the world — villains sufficiently horrifying that even the aforementioned Endbringer attacks are not sufficient cause to permit their release. The characters finally agree to do it when Scion pulls a Face-Heel Turn and begins wiping out humanity.
    • On top of the above, after Scion's turn, Taylor and her followers manage to recruit the Endbringers.
    • In turn, it demonstrates just how severely The Dreaded the Sleeper is that, even with human extinction across all known Earths on the line, still no one dares to try bringing him into the fight.

    Real Life 
  • Quite a few medical treatments, both current and historical:
    • Both chemotherapy and radiation treatment are poisonous and can cause significant side effects - elevated risk of secondary cancers, bone marrow destruction, hearing loss, brain damage. But when the alternative is death from cancer, and especially when there's a reasonable chance of curing it with the chemotherapy...
    • Thalidomide, originally developed as a sedative and anti-nausea drug, causes horrific if not deadly birth defects in infants and has been generally banned by most countries since the 1960s. However, it has been shown to be effective at treating serious conditions like drug-resistent leprosy. When prescribed to fertile women for a serious enough condition, the patient uses multiple contraceptive devices and is carefully monitored.
    • In the modern era, syphilis may not seem like a terribly frightening disease. Yet it was the HIV of its era, potentially causing a dementia-like condition if left untreated. One of the only somewhat effective treatment was mercury injections, which certainly caused significant side effects but were preferable to tertiary syphilis.

      The first fully effective treatment for syphilis was to literally burn it out of the patient's body by inducing a very strong fever, and the best way to do that is giving him or her malaria. It was a widely accepted treatment for a time, even netting its discoverer a Nobel Prize.
    • Overprescription has led to the Godzilla Threshold being lowered (sometimes a bad idea in many cases) but before overprescription, the only way one could get an antipsychotic (what used to be called the major tranquilizers) was to be frankly, overtly schizophrenic or manic and in an episode with complete loss of touch with reality, and before overprescription for stimulants, someone had to be so unfocused that no coping strategy worked and they were practically bouncing up and down the walls.
    • Antibiotics are also subject to a lowering of the Godzilla Threshold, mostly though ignorance. They're designed to fight serious infections like pneumonia and tuberculosis, but some doctors will give them out to a patient if the person complains about a viral infection (cold or flu)... which is completely impervious to antibiotics. Leading to some antibiotics losing their effectiveness.
    • This does exist for drugs if they are specifically known as drugs of abuse. In extreme cases, sometimes requiring being enrolled in a trial, one could be prescribed: ecstasy for PTSD and major treatment-resistant depression, opiates for treatment-resistant depression, psilocybin for intense migraine or cluster headaches. The condition has to be so severe that all other medication approaches (everything from antidepressants to antipsychotics to anticonvulsants to every possible cocktail of them) and doses and all non-medication approaches (everything from cognitive behavioral therapy to electroshock) have either failed, are failing, or bear too much risk for the patient and the addiction that will result from opiates or the potentially fatal side effects of a dose of ecstasy are better outcomes than suicide or disability so severe the individual is literally bedridden or suicidal.
    • Yet another example here would be the "ibogaine cure" for alcoholism or drug addiction where nothing else has worked. Ibogaine itself is toxic (more so than psilocybin or LSD which have had similar effects) but legal in some areas, it is unique for producing scary and bad "trips" but at the same time, often triggering something in the brain that reboots the mechanism of addiction, if the process is managed correctly (and if it is managed incorrectly, death may result).
    • Treating addictions with a substitute addiction or substitute substance also falls under this. A lot of people would be the first to agree that being an addict to anything isn't good, but moving someone to one that is less damaging to their health from one that is objectively worse is sometimes the only workable option. For example, getting The Alcoholic to become The Stoner or even a junkie might seem absolutely counterintuitive and unethical - but if said alcoholic is developing liver disease, cannabis is far less hepatotoxic than alcohol, or if they are developing chronic alcoholic encephalopathy, cannabis or even opiates are far less permanently damaging to an adult brain than alcohol. A similar variant of substitution can actually be seen with the prevalence of coffee and soda and cigarettes in many recovering addict spaces.
    • The Milwaukee Protocol is an experimental treatment for rabies, once symptoms appear in an unvaccinated individual. Given that rabies is invariably fatal within only a few days of the onset of symptoms, putting the patient into a coma and shooting them up with a myriad of drugs can literally do no more harm. And even then, the survival rate stands at 4 out of 35 treatments performed to date.
    • Many kinds of surgery can be extremely dangerous. After all, surgery tends to involve cutting someone open and messing with their internal organs - sometimes even the heart or the brain. And before anesthesia was discovered, surgeries had to be performed with the patient fully conscious. You'd have to be pretty desperate to undergo that kind of thing willingly.
    • When life is on the line, many of the most staunch "only scientifically-sound treatments" people will give holistic and strange treatments a try.
  • Any scenario that could theoretically lead to a Global Thermonuclear War. And to a lesser degree, anything that causes extensive use of biological weapons.
    • The very concept of Mutual Assured Destruction is a (so far successful) attempt at averting the trope, proposing that no-one could win any large scale use of nuclear weapons and that there is no possible way the Threshold could actually be reached.
    • The scenario that did lead to nuclear war. That invading the islands of Japan would be incredibly difficult and bloody for the US was their primary argument for detonating two atomic weapons over Japanese cities in August 1945. Emphasis on "argument" — in their country the debate continues about whether it was the right thing.
      • A truer crossing of the threshold was Operation Downfall - if the Japanese hadn't surrendered, then the Allies would have launched the largest amphibious/naval operation in history: Hundreds of capital ships, thousands of aircraft, millions of men, chemical weapons, and, most chillingly of all seven atom bombs. The estimated dead for the conquest of Japan was .5 million for the US and 5+ million Japanese.
    • Inverted during the development of the atomic bomb: Physicist Edward Teller informed Robert Oppenheimer that there was a chance that detonating an atomic bomb could ignite Earth's atmosphere. Oppenheimer insisted that the figures be re-checked, and if there was a greater than 3 in 1 million chance of that happening, the project would not go ahead. Quoth Oppenheimer, "Better to accept the slavery of the Nazis than run the risk of drawing the final curtain on mankind."
  • World War I: The German Reich, being an authoritarian, militarist Monarchy, hated and feared Communism with a fiery passion. But when the Western Front bogged down for several years, they smuggled Vladimir Lenin into Russia, hoping he'd screw that country up even further and force it out of the war. It worked, leading to the Treaty of Brest-Litovsk, whereby Germany got huge swathes of territory ceded to them by Russia in exchange for peace, and the entire Eastern Front army could be transferred to the Western Front for the Spring 1918 offensives. Of course, the cost was the creation of the USSR and (later) the rise of Josef Stalin, which led to...
  • The Midwives of the Birth of Nazism. Fearing the Dirty Communists of Josef Stalin's USSR, many in the West looked favorably on the rise of Adolf Hitler and Those Wacky Nazis, because their blatantly anti-Communist rhetoric made them seem like a good buffer zone between the Soviets and the West. Further, many in the West thought Nazi Germany was spiffy, at least in the sense that it seemed to have found a way out of the Great Depression, while the rest of the Western world was still stuck in it.
    • Of course, this trope was also played straight in the USSR after World War I, as paradoxically the Soviets saw a rearmed Germany as a valuable buffer between themselves and the West dating back to Seeckt's proposals for joint defense. So the USSR played a leading role in recreating the German military in the 1920s. Things changed after Hitler rose to power in the 30s, with Germany and the USSR supporting opposite sides in the Spanish Civil War. Then they abruptly changed again in 1939, when Hitler and Stalin hashed out an agreement to expand to their mutual benefit at the expense of Eastern Europe's independent states. This, of course, led immediately and directly to...
  • World War II: Winston Churchill was one of those rabidly anti-Communist leaders in the West, but he also realized that the Nazis were worse. So, when Hitler backstabbed Stalin and invaded Russia in 1941, Churchill went back on a lifetime of opposing Communism by immediately offering alliance and aid to the Soviets. When questioned on the wisdom of this by his political allies, Churchill famously stated that "If Hitler invaded Hell, I would make at least a favourable reference to the devil in the House of Commons." Of course, allying with Stalin did work as far as defeating Hitler went, but that in turn led directly to...
  • The Cold War. Western nations often couldn't think of anything worse than seeing another nation fall to Communism, so if keeping the Dirty Communists out meant backing ruthless right-wing military dictatorships in third world nations, so be it. The Commies for their part didn't have any problems with working with ruthless left-wing dictators to keep American Puppets out of power in various nations. Of course, even by those calculations, sometimes, the Godzilla Threshold wasn't quite met to the extent that going nuclear was worth it, which is why we didn't end up fighting nuclear war over Vietnam, Korea, Cuba, Angola, or any of a dozen other brushfire wars and proxy conflicts during that era. One of those conflicts was Afghanistan, where American political leaders basically thought, "A bunch of Fundamentalist Islamic guerrillas with terrorist tendencies can't possibly make the situation any worse than the Commies are, so let's give them a bunch of free guns." Which led to...
  • The War on Terror: In the fight against terrorism, the US and its allies have shacked up with some pretty sketchy organizations and regimes, justified by how said organizations, for all their corruption, seem more interested in local power than flying airplanes into buildings. Only history can determine how that's gonna turn out.
    • Which has created its own, lesser threshold: if a plane is heading for a civilized area, won't respond to attempts to contact it, and all other attempts to stop it fails, the United States Air Force will shoot down its own country's civilian aircraft. We've already seen what happens when we fail to get there in time.
      • Actually the first thing done is the fighter jets are ordered to close within visual range to inspect the plane, for Tear Jerker and Nausea Fuel rich reasons...
  • The Middle Eastern situation: On both sides with both Iran and Iraq. The West, especially the United States, thought that the Middle East falling to Communism was bad enough that they would rather prop up an unpopular leader (the Shah of Iran) who opposes them than risk the Communists falling in. That led to the Iranian people crossing the threshold, preferring the radical Shi'as to Western-propped dictators. Still fearing the Soviets taking Iran, the US propped up the president of neighboring Iraq, one Saddam Hussein, who already had a reputation for brutality... again, figuring that even at his most brutal, Saddam couldn't be any worse than the Communists. This would come to bite the US in the behind when Saddam invaded Kuwait, almost overnight changing from the US's Godzilla threshold to a power they used the Godzilla threshold on. And when 9/11 happened, they crossed the threshold again and invaded Iraq a second time.
  • As a note, the above is basically the entire military history of the 20th century. A country props up a group that they see as the lesser evil to their current enemies, defeat the current enemies and then have to fight the guys they just helped become stronger. Though in all fairness, the current war against terrorists is peanuts compared to what came before; unlike during World War II or the Cold War, there is no threat to the world as a whole... For the moment, at least.
    • According to some commentators, most notably journalist Matt Kennard in his book Irregular Army the next stage of this process has already started for the US, but this time it's a little different, because it will come from within. Due to a combination of slackening recruiting standards due to the need for more bodies to throw into the meatgrinder and the very disconcerting possibility that the people in charge actually sympathize more than they're allowed to let on, a large number of Neo-Nazis and other political extremists have been joining the US military for the express purpose of obtaining training and weapons that they can later use in a coming Second American Civil War (or more likely just scattered acts of domestic terrorism). Of course this all assumes they survive their initial tours of duty in the Middle East, which for people as stupid and belligerent as Neo-Nazis tend to be is hardly a guarantee.
  • In a modern conventional firefight (at least amongst the US military), the call of "broken arrow" is this trope. A "broken arrow" scenario means that a battle has effectively gone much worse than anticipated and a unit is on the verge of being overrun. What the call entails is to direct all available attack aircraft and artillery fire on the area being attacked. Because of the close distance nature and general disorganization happening during a "broken arrow" call, friendly fire (also known as Blue On Blue) from airstrikes and artillery is basically expected rather than actively avoided. A realistic demonstration of this was used in the movie We Were Soldiers.
    • There's also the related call of "danger close," which basically means "I know that I'm close enough to the target that I'm just as likely to get hit as it is, but I want you to fire on it anyway."
  • Singapore's reserve funds are, proportionate to her market size, one of the world's largest, largely thanks to their usage being handled this way. The one time they have (publicly) been known to be used since independence was during the 2009 credit crunch, which is currently the worst recession since the Great Depression.
    • Singapore has to get all of its drinkable water from Malaysia. If Malaysia ever cuts the water off, Singapore will, almost without a doubt, immediately declare war. Or at least, it would have a few decades ago. Currently, Singapore has its own, perfected water purification plants. Meaning that they rely on Malaysia for... well, nothing. Honestly, the only way to deprive Singapore of important supplies is to completely surround it with ships, something only the greatest military powers have the logistics and power to do.
    • Singapore's military can also be considered this way; It is not the first country in the world to use a mainly civilian reservist military, but considering Singapore itself (one of the chief primary "export" of this resource-rare country being its relatively small but educated/skilled workforce) the only sane time to use said military (and get most of said workforce killed) would be a "do or cease to exist" situation, such as the above water scenario.
  • Necessity in Law, which essentially means damage to property and other activities that would normally be against the law may be justified by necessity to prevent some bigger trouble, and a person who has done it is not accountable for it. Factory burning and the only way to get access to one side is through a full car dealership parking lot? Bulldoze the brand new cars out of the way. Sea water bad in the long term for the precision materials and equipment inside the nuclear reactor and will undoubtedly make it unable to be used in the future? Fuck it, we need to cool it down now.
    • Self-defense is a subtype of this; if you or someone else is in imminent danger of physical harm, you are legally allowed to commit assault and battery against your attacker up to the point where you are safe. If they are using lethal force, you can use lethal force in response, sometimes resulting in justifiable homicide - about 400 per year are recorded by civilians in the United States alone. There is a strict line here, though, as they must be presenting an imminent threat to you or someone else - so if someone attacks you, you can legally defend yourself, but if they turn to run or surrender, you cannot continue to attack. Likewise, if someone throws a punch at you, you cannot pull out a gun and shoot them. Self-defense is an affirmative defense, as you are outright admitting to committing an otherwise illegal act but claiming that it was justified under the law - if your actions are found to be unjustified, then you are guilty of whatever crime you confessed to. Note also that if you provoke an attack (so-called fighting words), you are not eligible for self-defense, because you started it.
  • The King of Swaziland attempted to invoke this, declaring a five-year moratorium on sex due to the AIDS epidemic in Southern Africa. Then he broke it with a twelve-year-old girl.
  • The future United States' Declaration of Independence described political revolution in essentially these terms, and the bulk of it consisted of a list of reasons why the signers felt the actions of the British crown had crossed the threshold.
    • Since after World War II, the new German constitution includes an article that makes it the duty of all German citizens to use any means neccessary to prevent any government from overthrowing the constitution and establishing another totalitarian regime, which includes the use of armed resistance.
      • Part of this may have been due to an earlier invocation of this trope that ended catastrophically for Germany — in the Weimar Constitution, during emergencies, the Chancellor could be allowed to rule by decree if the Reichstag consented for the duration of the emergency. Hitler took advantage of this to take over power following the Reichstag Fire.
  • Many governments have provisions in law stating that, in a sufficiently serious emergency, most or all rights will be suspended. As far as we know, no government can summon Godzilla, but if they could, this would make it legal.
    • Related to this: nuclear weapons policy. At least in the UK the military maintains a tradition of letters of last resort. In effect these are the "final orders" to the Captains of the four nuclear-equipped Vanguard-class submarines to be opened in the event of a complete breakdown in command and control as a result of nuclear attack and which nobody knows except the Prime Minister himself/herself. Technically ANYTHING can be ordered but in general the possibilities fall into four categories. One of which is to accept that deterrence has failed and not retaliate and one is to place the submarine under the command of an allied nation. The last two basically amount to the Godzilla threshold in that either a full nuclear retaliation is ordered or, perhaps most horrifyingly, for the Captain to simply "use their best judgement" which in effect amounts to a freedom to do anything he deems necessary.
  • In the Thai flooding crisis of 2011 they dug up Bangkok's roads to try and channel away the floodwaters despite the cost in future rebuilding. If you're wondering how that made any sense at all, understand that many of Bangkok's roads are paved-over canals.
  • Ancient Rome had provisions for this during the Republic: when an enemy appeared invincible and on the verge of overrunning Rome, the Senate chose the man best suited to deal with that enemy and made him a dictator, giving him absolute power for six months and with no legal way to make him pay for anything he did during his term. It usually went well, as they would follow the example of Cincinnatus, who, upon defeating an enemy coalition that had surrounded the Roman army (thus prompting him being named dictator) within the first half of his term, resigned and returned to his farm, and, after being named dictator AGAIN to deal with a coup, he defeated the coup in one day and immediately resigned AGAIN.
  • Locusts. Old school but still pretty much armageddon to farmers if a swarm manages to grow to Biblical proportions. Crop loss is often expected to be 100% and THEN some. To save even some form of vegetation in the path of a hungry locust swarm means keeping them under a protective, insect proof shell. Expensive and not 100% reliable to say the least.
    • Methods used to combat locust swarms are usually using enough poison to kill every living thing in the area... except the locust, whose numbers will take a dent but is a hive being several miles wide and thus, can move around, over, or through the poisoned areas.
    • Worse, it was only in 2009 that scientists even figured out what causes locust swarms to appear. Locusts are grasshoppers - the same grasshoppers that are living in the area already. But if their numbers grow too large, this causes them to literally morph into locusts, swarm, and start eating everything in sight.
  • Fire. A sufficiently big fire like the Chicago Fire, forest fires, etc., will pretty much turn anything in its path into a smouldering ruin and there is nothing that can be done to stop it. Fires can get so bad, that perhaps the only way to deal with it is to set your OWN fire, the Godzilla Threshold, in the hope that your fire will consume enough fuel/air to fight the original fire. Of course, things CAN go wrong where the fire just merges into one Super Fire.
    • During the Chicago Fire, dynamite was used to demolish entire blocks of buildings in an attempt to create fire breaks. It was partially successful in some areas, but ultimately they couldn't work fast enough and the fire outflanked the demolition crews. In most modernized countries, building or house fires rarely get to the city-destroying stage anymore, but lighting backfires (which burn towards the original fire, consuming all the fuel) is still a technique in use for fighting forest or brushfires. Setting backfires is reportedly as much art as science, and as previously mentioned is in no way guaranteed to work, making it a controversial tactic at best.
    • As a number of countries have learned the hard way (the US included) the absolute worst forest fire management policy is to stamp them all out as fast as possible. This leads to build up of fuel until it reaches the stage where it is no longer possible to suppress further fires, resulting in a titanic wildfire, such as the 1988 Yellowstone fire. The better option is to allow natural fires of limited scale to burn, suppressing only fires of large size or human origin. This allows a safe burn-off of the naturally accumulating fuel.
    • Sometimes the threshhold for fire can be crossed before the fire even starts. After the Americans started their fire-bombing raids against Japan (causing far more destruction and casualties than even the nuclear bombs would later on), the government in Kyoto ordered two large firebreaks to be created in the city by demolishing two wide strips of the city perpendicular to the river (which itself formed another firebreak). Those firebreaks still exist to this day in the form of a pair of wide avenues, alongside some of the oldest urban buildings in Japan (the war ended before Kyoto could be bombed, meaning the firebreaks were ultimately not necessary).
    • Still other times, fire can actually be good luck within bad. Case in point: the Great London Fire of 1666. Despite its (believed-to-be) low death-toll of merely six people, it did render 7 of every 8 Londoners homeless (at the time the population of London was about 80 thousand), but! it killed off the rats (and more importantly, their fleas) that had been the primary disease vector spreading bubonic plague throughout the city. It could be said that the bubonic plague was the Godzilla Threshold that made the fire a blessing instead of a curse, even though the fire itself was accidental.
      • New research indicates that the plague was essentially done for by the time the fire occurred, due to a different, disease-resistant species of rat displacing the one that had formerly dominated Europe. The fire's timing was probably just a coincidence, plague-wise - but it did allow the city to modernize.
  • Culling. As stupid as killing an entire farm of livestock or entire yield of crops because ONE animal/batch was found sick sounds, it's because of this Trope that it is done. Depending on what the animal was sick with, Avian Flu, Swine Flu, SARS, or just plain old Foot and Mouth, it is often seen as a good idea to use the Godzilla Option early rather than wait for it to become a Godzilla Necessity. Because as wasteful as culling perfectly good stock is, the potential losses of not doing so are just too great to risk.
    • And people, at various points in history. Sometimes it has worked, sometimes it hasn't. This was generally before the diseases were properly understood.
    • In the early 2000's in Wisconsin, Chronic Wasting Disease (the Deer equivalent of Mad Cow) was starting to spread and become a problem. If left unchecked, the disease risked wiping out the deer population to the point where it may not recover. The Wisconsin DNR first tried to find a cure for the disease, or at least find what was causing it in the first place in hopes of preventing further infections. The methods didn't work, so they had no choice: They extended Deer Season by a week and ordered for hunters in the state to shoot more deer than usually allowed in order to thin the numbers to extremely low populations (and to make sure that nobody consumed the infected deer.) Thanks to careful monitoring by the DNR, the deer would recover to normal populations within a few years, and now the disease is barely even a problem anymore.
    • In 2001, when a single case of foot and mouth was detected at an Irish farm, not only were all the animals at said farm culled, but the Irish Special Forces were sent in to kill all the wildlife in the area that could potentially be infected.
  • The Crusades started when the Patriarch of Constantinople asked the Pope for help to fight off the Turks. However, at that point the Great Schism between Roman Catholicism and Eastern Orthodox Christianity was in living memory, and the Pope and the Patriarch had mutually excommunicated each other, each sect considering the other to be heretical. For a religious leader to even consider the help of people he considered heretics, you know it's trope. The aftermath was exactly how you'd expect this trope to go.
  • If a rocket launch goes really seriously wrong, there comes a point where the best thing that can happen is for the rocket to detonate right now, rather than crashing onto a town and detonating there. It is the job of the range safety officer to recognize when the Godzilla threshold has been passed and push the Big Red Button.
    • Averting this is why the USA launches rockets from Cape Canaveral, Florida: The Earth's rotation will most likely put the ocean underneath the rocket if it comes crashing down, instead of (potentially populated) land.
  • The Deepwater Horizon oil spill of 2010 got so bad and so damaging to the environment that some Russian officials suggested ending the spill permanently by detonating a nuclear weapon at the site of the leak. The reasoning was that the spill had gotten so severe that the damage caused by just nuking it would be less than the damage caused by allowing the spill to continue unchecked. Surprisingly enough, it's actually worked a few times.
  • Scarily enough, this is what the human body will do to itself when facing a severe infection. The immune response starts with proportionate responses like antibody production or fever... but when that doesn't work, the response gets cranked up to such high levels of inflammation that tissue damage ensues. At a certain point the person might actually die, but can't do anything about their automatic bodily processes shutting down an infection at all costs. What most people don't know its that the majority of modern disease-causing pathogens don't kill in and of themselves- the body does itself in, sort of like how it's Not the Fall That Kills You.
  • The point of Kate Bornstein's book Hello Cruel World, meant to provide alternatives to suicide for teens; some reviewers complained that said alternatives include things like drugs, alcohol and making a deal with the devil, but the idea is that if someone is considering killing themselves, almost anything, even if not the best choice in general, would be a better option. Then again, the point of the book is not to make the teens self-harm, but to distract them and keep them alive long enough for more "medically accepted" interventions to take place.
  • For patrol officers in the United States, any situation that requires going to the squad car and grabbing the shotgun or AR-15 carbine is this. It is typically in response to the worst possible situations an officer can encounter, such as a suspect with an automatic weapon shooting at them, or anything else a sidearm isn't capable of handling. Calling in S.W.A.T can also be this, but S.W.A.T teams are also called to situations that simply require additional protection, such as high-risk warrants and security for high-profile operations like major sporting events or visiting dignitaries.
  • In the professions, anything that leads to revocation of the license. For instance:
    • For lawyers, disbarment. Since there are other disciplinary actions—from warnings to suspensions to being sued for malpractice—the number of things that warrant disbarment on their own are few (this is why we have the stereotypical tropes about lawyers) but they exist. The biggest one (outside of certain rare crimes note  and abuse of powernote )? Taking money from client accounts. Do that once, even if it's a small amount, even if you return it, even if you increase it, and you're done. Just done.
      • This gets played with a lot more in fiction than real life as there's been several times in the Law & Order series where an attorney has basically pulled the pin on their own disbarment to break privilege.
  • In the human body, the activation of cytotoxic T-cells is this, with multiple signals, because cytotoxic T-cells have a license to kill human cells based on presented surface proteins.
  • New York City's Board of Education encompasses all five boroughs, and it is in the mayor's command. School closures are all-or-nothing affairs. Because of their implications, they only happen when the city is brought to its knees.
  • Italy hit this the very moment it entered World War I on the side of the Entente due a combination of appalling military readiness (there had been little time to recall the reserves, and the incompetence of the bureaucracy had caused scarcity of artillery, machine guns (many had been bought from Britain in 1914 and paid in advance, but were never delivered due the start of the war and Italy being nominally on the other side, if still neutral), rifles and even uniforms), the few military assets being either still in place to invade France or tied up in the colonies, the recently acquired colony of Libya being in full revolt and having pushed the Italians to the coast, and Italy's low industrialization. The commander-in-chief Luigi Cadorna dealt with it by establishing a military dictatorship in everything but name, thus making himself capable of forcing a greater industrialization that managed to produce enough materiel (by the end of the war Italy even had the largest artillery park of any power in the war), employ a variation on the concept of Child Soldiers (the trainees would be drafted an year early, but would be trained and employed as militia for about a year before being sent to the front), and ruthlessly send his troops in frontal attacks against Austro-Hungarian lines because he knew they'd run out of soldiers before him. Then, after the Russian collapse freeing the Austro-Hungarian reserves, Cadorna's ways as overly-disciplinarian General Ripper and the incompetence of some of his subordinates caused the utter defeat at Caporetto, Cadorna's successor Armando Diaz resolved to send in the Child Soldiers early. These measures ended with causing a temporary collapse of the Austro-Hungarian Army and the disintegration of the Austro-Hungarian Empire, but also nearly caused a civil war in the aftermath of the peace (as the soldiers returning home were most disgruntled with what they got and tended to join either the Anarchists or the movement of disgruntled veteran Benito Mussolini) and paved the way to the rise of Fascism and the suppression of the Libyan revolt with means that could be described only as war crimes.
  • Switzerland's bridges and tunnels are designed to be blown up if anyone were foolish enough to attack
  • With the Al Qaeda splinter group ISIS threatening to overrun Iraq (time stamp: June 17, 2014), there is now serious talk about the United States military cooperating with Iran in order to stop them.


Godwin's Law of Time TravelLaws and FormulasThe Good Guys Always Win
GodImageSource/ArtGo Figure
Dystopia Justifies the MeansPragmatism TropesHit-and-Run Tactics
A God Am INarrative DevicesGoing in Circles

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