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10[[quoteright:350:[[Film/RaidersOfTheLostArk https://static.tvtropes.org/pmwiki/pub/images/indy_temple.jpg]]]]
11[[caption-width-right:350:Yeah, I'm '''''skedaddling''''' outta here!]]
12
13->''"Just once, I wish the bad guy's lair didn't have to blow up!"''
14-->-- '''Kim Possible''', ''WesternAnimation/KimPossible''
15
16{{I|tsGoingDown}}nevitably, once the BigBad (and sometimes even TheDragon) is defeated, his SupervillainLair (castle, secret headquarters, cave, [[EvilTowerOfOminousness tower]], etc.) will begin to destroy itself, triggering a ChaseScene where the heroes are chased out by the threat of falling rocks, timbers, masonry, etc. and whatever else is collapsing down upon them.
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18This may be due to a SelfDestructMechanism, or due to the lair having NoOntologicalInertia. Alternately, the hero's goal may been to deliberately ''cause'' (read: destroy) the Collapsing Lair, like by setting off a TimeBomb or pushing the BigRedButton that is invariably linked to said SelfDestructMechanism. Or perhaps the combination of the BigBad's NoHoldsBarredBeatdown and the hero's own HeroicSecondWind resulted in extensive damage to the lair's supports/foundations/[[GoingCritical reactors]]/[[MadeOfExplodium munitions]]/[[NoOSHACompliance whatever]], and it was going to start coming down anyway (when this happens in VideoGame form, we call it a LoadBearingBoss). Sometimes the BigBad will do this deliberately, in hopes of [[TakingYouWithMe taking the hero with them]]. If this is done after a stealthy entry, this overlaps with StartsStealthilyEndsLoudly.
19
20Why is this useful, apart from topping the FinalBattle with an exciting escape scene to safety (after which you can directly cut to the happy end celebrations)? Think about it. The BigBad has had a massive base, with several valuable gadgets, and many remaining lesser minions. You definitely do not want to drag out the story by having the hero deal with them one by one too, much less to put his hands on something that could [[StatusQuoIsGod change the status quo]]. Better to just blow it all up. And best of all, once you do actually make it out alive, you get the immensely satisfying shot of [[TheRuinsICaused the hero looking on as the Supervillain Lair goes bye-bye in spectacular fashion]].
21
22Often occurs after defeating the MonsterOfTheWeek or after setting a CatastrophicCountdown. See also RaceAgainstTheClock if the hero has a set amount of time to get out before the thing completely caves in.
23
24If it truly ''does'' become impossible to escape the Collapsing Lair, expect to see a LoadBearingHero save the day.
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26Rare in television except as the end of a StoryArc, because [[TrashTheSet destroying sets is expensive]]: you just have to build new ones next week. In animation, however, it's easy. In video games (as already mentioned), this often happens because of a LoadBearingBoss. Usually a result of StormingTheCastle. If the villain's domain is an ''entire planet'', see EarthShatteringKaboom.
27
28----
29!!Examples
30
31[[foldercontrol]]
32
33[[folder:Anime & Manga]]
34* The Halcon research facility falls apart at the end of ''Manga/{{Appleseed}} Ex Machina'' for no apparent reason, other than to fulfill the cliché. In fact, it has no other reason even to exist!
35* Though not exactly belonging to villains as such, ''Manga/AttackOnTitan'' has the [[spoiler:underground crystal chamber that lies beneath the Reiss family chapel]] destroyed after [[spoiler:Rod Reiss turns into an enormous Titan. The heroes manage to escape, but the Military Police's Interior Squad were killed in the process, along with Levi's uncle Kenny Ackerman]].
36* ''Anime/DigimonAdventure'''s Dark Masters Arc had of course the Dark Master whom once destroyed had their chunk of the Digital World which they bastardized destroy and reconfigure itself back to it's original form. This caused the [=DigiDestined=] to constantly shift from place to place until finally falling into a dark void filled by Apocalymon after defeating the last Dark Master.
37* ''Anime/FistOfTheNorthStar'' shows an example of a collapsing lair, Cassandra being reduced to a wasteland, as Ken-Oh's forces wired the evil prison to blow up.
38* Parodied in ''Manga/IonoTheFanatics''. The reason why the sorta antagonist's base did the traditional collapse? The building was raised against Japan's building standard acts (it was, for example, ''leaning'') and that's the reason why nobody else was using it even though it looked brand new. Naturally, the high-level battle between the assassin and Iono's bodyguards at the ground-level proved to be a wee-bit too much for its already unstable structure.
39* In the end of ''[[Anime/{{K}} K: Return of Kings]]'', [[spoiler: Iwafune]] blows up their base after [[spoiler: Nagare]] has died. [[spoiler: The Silver Clan]] escapes rather easily, though, due to [[spoiler: Kuroh's colorless]] powers.
40* In ''Anime/MagicalGirlLyricalNanoha'' (season 1), the Time Garden collapses on itself as a result of Precia's failed ExplosiveOverclocking attempt to open a gate to Alhazred.
41** Happens again in ''[[Anime/MagicalGirlLyricalNanohaStrikers StrikerS]]'' when [[DragonTheirFeet Quattro]] sets Jail's lair to explode (while she's safely tucked away inside the [[CoolStarship Saint's Cradle]]). It ultimately doesn't go off (Fate deactivated it to save the innocent people trapped inside).
42* The dungeons in ''Manga/MagiLabyrinthOfMagic'' collapse after they have been successfully completed.
43* ''Anime/MazingerZ'': In the FinalBattle against [[BigBad Dr. Hell]], his base crumbled down and blew up. Justified, since a [[HumongousMecha giant robot]] was actively trying to demolish it.
44* A Baoa Qu at the climax of ''Anime/MobileSuitGundam'' doesn't quite collapse, but there's enough StuffBlowingUp by the end that the effect is the same.
45* In ''Manga/{{Naruto}}'', during the spinoff Kakashi Gaiden in which we learn of Kakashi's childhood, Kakko causes the cave Kakashi, Obito and Rin were fighting him in to collapse in a last-ditch effort to defeat them, resulting in [[spoiler: Obito's death by giant boulder, which led to Kakashi gaining his left Sharingan eye]].
46* In ''Manga/NegimaMagisterNegiMagi'', after Negi's group is [[spoiler: scattered across the Magic World]], we first see Nodoka escaping from one of these while treasure hunting.
47-->'''Kristian Danchecker:''' [[LampshadeHanging I can't believe there's such a clichéd trap at the end!]]
48* ''Manga/OnePiece'': In Arlong arc, after Luffy recognizes that Arlong's SupervillainLair has been Nami's jail cell, he tries to [[DestroyTheAbusiveHome destroy the lair]], states that it's the best way to help her. Luffy later smashing Arlong through the floors of the lair, causes the lair collapse.
49* At the climax of the ''Manga/{{Outlanders}}'' manga, [[spoiler: after the rebellious princess kills her father?the ruling Emperor of the Galaxy?]] ''the entire imperial planet blows up.
50* In ''Anime/PokemonTheSeries'', Mewtwo blows up the Team Rocket base in the beginning of the first movie. The only known survivors are Giovanni and his signature pokémon (there could be more, but they're never addressed either way).
51** Actually, when Mewtwo's flight from the HQ is seen in the show, all that's wrecked is the arena area, and those get trashed on a regular basis.
52** Kyurem from the fifteenth movie subverts this. When his lair starts to collapse from the fight he had with Keldeo, he freezes the entire place after the heroes escape so that he could continue to [[{{Pun}} chill]] in there.
53%%** It also happens to the Viridian City gym in "Battle of the Badge," after Togepi sets off one of Team Rocket's explosives.
54* In ''Manga/PokemonDiamondAndPearlAdventure'', Jupiter blows up the Galactic base to prevent their secrets from getting out. But since this happens in Volume 5 of an 8 volume series, when next we return to Veilstone, [[spoiler:Charon]] has rebuilt it to be what it was in the Platinum version of the game.
55* In the ''Manga/PocketMonsters'' (''Manga/{{Pokemon}}'') manga, Red and Green set Team Rocket's headquarters on fire. After Red, Green, and Blue defeat Natsume, the building collapses.
56* ''Anime/RODTheTV'' has the Dokusensha building and, evidently, [[spoiler:''all of Hong Kong.'']]
57* The abandoned oil rig that served as the base for the [[TheRemnant Foreigners of Grief]] in ''VisualNovel/{{Polyphonica}} Crimson S'' sank into the sea at the climax of the final fight. Notable in that the bad guys, after having been given a series of speeches thoroughly deconstructing their UtopiaJustifiesTheMeans mentality, [[DrivenToSuicide willingly stayed in their base as it collapsed around them]].
58* ''Manga/{{Spriggan}}''. Noah's Ark is frozen in time, and activating the SelfDestructMechanism causes the flow of time to continue. As the Ark's mass is too great to sustain its weight in three-dimensional space, it collapses.
59* ''Anime/WitchHunterRobin'' : [[spoiler:When the heroes [[StormingTheCastle invade The Factory]], it turns out it's programmed to crush itself as a last-ditch security mechanism.]]
60* ''Anime/YuGiOh'' gives us Seto Kaiba and his Battle Tower; after the finals, [[SoreLoser he blows it up!]] But just a few episodes before that, we have Gozaburo Kaiba, who triggers a meltdown so our heroes can't escape.
61* In ''Manga/YuYuHakusho'', Sakyo, Season Two's BigBad, [[spoiler: decides to destroy his stadium after he is defeated. For some reason, even though this is supposed to trap and kill everyone inside (Sakyo wants to die himself), none of the main characters have any trouble escaping]].
62[[/folder]]
63
64[[folder:Comic Books]]
65* Subverted in ''ComicBook/AllFallDown'': The Order of Despots' SupervillainLair on the Moon is still intact and fully operational two years later.
66* Blue Mountain in ''ComicBook/ElfQuest'' is completely destroyed at the end of the aptly-named "Siege at Blue Mountain" arc, but not before [[spoiler:it is almost converted into a spaceship by BigBad Winnowill]].
67* ''ComicBook/TheFurtherAdventuresOfIndianaJones'': In #25, the fake [[CityOfGold El Dorado]] turns out to a be a trap designed by the Incas to destroy the Spanish invaders. When the one real item of gold is removed, the entire complex collapses.
68* Like in the games, {{ComicBook/Mega Man|ArchieComics}}'s confrontations with Dr. Wily tend to end this way. For example, Dr. Wily set off a self-destruct in his second fortress to try and kill Mega Man while he escaped and the third one fell apart because Wily tore it to bits trying to kill Mega Man with Gamma.
69* In ''ComicBook/RedRobin'' Tim causes several League of Assassins lairs to collapse on his way out the door after infiltrating the league. It has the added benefit of trapping the mostly super-powered group of assassins currently chasing him and the civilian he is protecting underground for a while too.
70* In ''ComicBook/SherlockHolmesAndTheHorrorOfFrankenstein'', Dr. Pretorious sets the electrical equipment in his dungeon lab to overload as he is attacked by the FrankensteinMonster and his mate. Holmes and Watson, who have been locked out of the lab, make a mad scramble up the stiars and outside as the corridor starts to explode behind them. They just make it outside and dive for cover as the entire castle explodes and collapse in on itself.
71* ComicBook/{{Supergirl}}:
72** In the ''[[ComicBook/{{Supergirl 1972}} first self-named book]]'' featuring the eponymous heroine, Supergirl and Comicbook/{{Zatanna}} face up to a demonic sorcerer called Orgox. Once they defeat his traps and find him, he brings his mountainous lair crashing down.
73** ''ComicBook/DemonSpawn'': Once Supergirl defeats Nightflame and her minions, the [[JourneyToTheCenterOfTheMind Innerverse]] collapses. Justified, since that world was the psychic manifestation of Supergirl's dark side, so it was destroyed when Kara beat her inner demons.
74[[/folder]]
75
76[[folder:Fan Works]]
77* ''Fanfic/BecomingATrueInvader'': During the showdown with [[ArcVillain Pel]], her temple is damaged enough that it ends up completely collapsing.
78* ''Fanfic/ChildrenOfAnElderGod'' has this happen to R'yleh after the Children [[DidYouJustPunchOutCthulhu kill Cthulhu]] during the FinalBattle -- without his presence warping things, the normal laws of reality kick back in, causing the city (and its whole island) to collapse under the weight of its AlienGeometries.
79* ''Fanfic/{{Empathy}}'':
80** Yokai's lair on Akuma Island ends up totally collapsing due to damage sustained by the fight against him [[spoiler: and the Gorg.]]
81** [[spoiler: The Gorg's ship slowly comes apart and ultimately explodes as a result of damage from its climatic fight against the heroes.]]
82* ''Fanfic/GuardiansWizardsAndKungFuFighters'':
83** When his manor is attacked by Phobos' forces, [[KnowledgeBroker Ludmoore]] triggers a magical SelfDestructMechanism which blows up the building (destroying the whole villa in the process) just after everyone flees.
84** After he stops being a PlayAlongPrisoner and breaks out of his cell in [[TheAlcatraz Cavigor]] during the Guardians' attack on the prison, [[spoiler: Drago]] reveals that as a contingency plan he flooded the walls and foundation with his fire magic, causing the whole thing to start to fall apart. This allows him to escape among the chaos.
85* Parodied in ''Harry Potter and the Evil Summer Vacation'', where Harry accidentally attends a conference for aspiring criminal masterminds. The (mandatory) final seminar is "Secret Lairs, Part 3 - Defenses, Escapes, and Self Destructs". After a SPECTRE agent gives a talk on why it's important to set up a new lair for every plan and how you should try to take out the evidence and the good guys as well as your headquarters, they evacuate the conference theater and then blow up the hotel.
86* ''Fanfic/TheImmortalGame'': After [[SuperpoweredEvilSide Nihilus]] is destroyed by the Elements of Harmony, her [[OminousFloatingCastle floating citadel]] falls apart and disintegrates.
87* ''Fanfic/JewelOfDarkness'': When Midnight is defeated by the Titans at the end of the Jump City arc, [[spoiler: Slade rescues her]] and triggers the base's self-destruct in order to cover their escape.
88* ''Fanfic/JWITCHSeries'': In "Facades of Evil", after Jackie gets the upper hand against him in the Knights of Vengeance's cave hideout on Meridian, Drago uses his flame breath to trigger some explosives planted on the cave ceiling [[CrazyPrepared just in case]], causing a cave-in that destroys the cave and covers the Knights' escape.
89* In ''[[https://www.fanfiction.net/s/5533543/36/Moon-Fire Moon Fire]]'' Riddle Manor starts collapsing after Snape kills Voldemort.
90* ''Fanfic/TheNightUnfurls'' presents an [[InvokedTrope invoked]] {{inversion}}. In order to defeat Grishom and his rebel forces, the cathedral where they are hiding at is [[BurnBabyBurn burned down]] as a tactic of smoking them out, meaning that the lair collapses ''before'' the villain's defeat. With the smoke and flames surrounding them, as well as Kyril's company awaiting them, there is no escape for Grishom.
91* The reconstructed underground Glast Heim begins to collapse in ''Fanfic/WarriorsOfTheWorldSoldiersOfFortune'' when the Raulus finally defeat the BigBad. A ChaseScene ensues.
92[[/folder]]
93
94[[folder:Films -- Animation]]
95* ''WesternAnimation/{{Aladdin}}'' shows Abu incurring this in the Cave of Wonders for touching the treasure.
96* ''WesternAnimation/TheBlackCauldron'' ends with the Horned King's castle crumbling after the Cauldron's magic is neutralized by [[spoiler:Gurgi's HeroicSacrifice]].
97* ''WesternAnimation/TheJungleBook1967'' features this occurance when Baloo & Bagheera fight the band of monkeys over Mowgli. Justified because of all the damage the ruined city endures during the squabble, with several pillars being destroyed.
98* ''WesternAnimation/MonstersVsAliens'' features Gallaxhar's spaceship blowing up after the SelfDestructMechanism is activated.
99* In ''Animation/PleasantGoatAndBigBigWolfTheSuperAdventure'', Sparky accidentally blows up a bomb made by Wolffy near the control panel in Cha Cha's lair, causing the lair to fall apart and flood. Everyone makes it out of the lair perfectly fine [[spoiler:except for Weslie, who seemingly gets trapped in the lair, but even then he later makes it out perfectly fine as well because he landed in Granny Snail's slime and used some growing pills left by Wolffy to grow back to his normal size]].
100* ''WesternAnimation/TheThiefAndTheCobbler'' has One-Eye's elaborate war machine falling apart, with the Thief still inside trying to get the Golden Balls.
101* ''WesternAnimation/TheWild'' ends with Kazar's volcano lair erupting.
102[[/folder]]
103
104[[folder:Films -- Live-Action]]
105* ''Franchise/{{Alien}} franchise'':
106** ''Film/{{Aliens}}''. After Ripley sets the xenomorph queen on fire, the atmosphere processor starts to collapse due to ExplosiveOverclocking and finally blows up in a nuclear detonation. However in this case there was plenty of foreshadowing as during their first foray into the processor the Colonial Marines had shot up the cooling systems of what was essentially a huge fusion reactor.
107** ''Film/{{Alien 3}}'' was the only time Ellen Ripley didn't destroy everything as she left. Ron Perlman's character in ''Film/AlienResurrection'' says it "must be a chick thing".
108* A self-activating SelfDestructMechanism destroys Sir August de Wynter's island lair at the end of ''Film/TheAvengers1998''.
109* At the end of ''Film/BeneathThePlanetOfTheApes'', a cobalt bomb in an underground mutant lair is detonated and wipes out not only the lair, but [[EarthShatteringKaboom all Earth]] (This was detonated by Col. Taylor himself-- which is ironic, since he cursed mankind for doing the same in the original ''Film/PlanetOfTheApes1968'' ([[EarthAllAlong "Statue of Liberty ruins" scene]]).
110* Justified in ''Film/TheBlackHole'', which involves a MileLongShip being flown into the eponymous black hole by MadScientist Dr Reinhardt. When the ship's forcefield fails, a meteor storm and the intense gravitational pressures destroy the spaceship (though this is a case of the Collapsing Lair killing the villain, rather than the villain's demise triggering the destruction of the lair).
111* ''Film/BlackWidow2021'': During the FinalBattle, [[spoiler: the Red Room's [[OminousFloatingCastle flying headquarters]] is sabotaged by destroying its engines, causing the whole facility to start blowing up, falling apart, and falling to the ground]].
112* In ''Film/ConanTheDestroyer'', an entire tower collapses shortly after the wizard's death with one character giving the hand-waved explanation, "It was all an illusion."
113* The end of ''Film/{{Congo}}'' results in the convenient destruction of the "evil" gorillas' lair via volcanic eruption... despite the fact that it had been standing for hundreds of years before the protagonists got there. In the book it was caused by ''incredibly'' misjudged placement of mining charges by the heroes.
114* At the end of ''Film/ForbiddenPlanet'', the hero throws a [[BigRedButton switch]] that will cause a [[SelfDestructMechanism chain reaction in the Krell furnaces]] that will destroy the planet Altair-4 in [[TimeBomb 24 hours]].
115* ''Film/GodToldMeTo'': [[spoiler: When Pete finally kills Phillips, the building they're in catches fire and starts collapsing, possibly because of all the energy deployed in the fight.]]
116* Justified in ''Film/TheGunsOfNavarone'' as destroying the eponymous guns is the entire point for a team of Allied saboteurs. They plant a hidden booby trap where the shell hoist will detonate it, setting off the other shells.
117* The destruction of the enemy mothership in ''Film/IndependenceDay'' with a [[TimeBomb tactical nuclear missile with a 30 second timer]].
118* All the ''Franchise/IndianaJones'' movies have a large building getting destroyed (''Film/RaidersOfTheLostArk'' has part of the Chachapoyan temple, ''Film/IndianaJonesAndTheTempleOfDoom'' has the mine, ''Film/IndianaJonesAndTheLastCrusade'' has the inside of the Grail Temple, and ''Film/IndianaJonesAndTheKingdomOfTheCrystalSkull'', the entire city of Akator).
119* ''Film/ItChapterTwo'': [[spoiler: When [[DidYouJustPunchOutCthulhu Pennywise is killed]], Its underground lair, the cistern above it, and the house on Neibolt Street above that all collapse in on themselves.]]
120* Many ''Film/JamesBond'' movies end with Bond escaping from the villain's Collapsing Lair.
121** In ''Film/DrNo'', this is first done when James Bond [[OverclockingAttack superheats the pool reactor]] setting the titular villain's hideout on a path to a terrific explosion.
122** Turned on its head in ''Film/{{Skyfall}}'' where [[spoiler:the Collapsing Lair is BOND'S ancestral home.]]
123** [[spoiler: Then in ''Film/{{Spectre}}'', [[BigBad Ernst Stavro Blofeld]] does this to the [[MonumentalDamage abandoned MI6 building in London]] to kill Bond after some EvilGloating. Also combined with an attempt to [[PyrrhicVictory ruin Bond's life if he survives]] by [[KillTheCutie trying to kill Bond's]] {{girl of the week}}, which if it succeeded, would have [[RecycledScript been reminiscent of]] ''[[Film/CasinoRoyale2006 Casino Royale]]''. As the building comes down, you can see the OhTheHumanity on the faces of other [=MI6=] characters such as M. Somehow, Bond still escapes to bring down Blofeld's escape helicopter.]]
124* In ''Film/JupiterAscending'', the headquarters of Balem's corporation, located on Jupiter, begins to be demolished because the "grav-hull [was] ruptured," and "[t]he gas was reacting to the stockworks", due to Caine's vessel having punctured the barrier around the planet and crashed into several structures. Maybe it was a bad idea to establish a base of operations on a planet so naturally hostile to life and machinery alike.
125* ''Film/KaamelottPremierVolet'': The keep of Kaamelott castle counts as this as the final duel between Arthur and Lancelot happens there. The collapsing happens courtesy of the Burgundians finally being able to properly maneuver their SiegeEngines.
126* A surreal version at the climax of ''Film/{{Labyrinth}}'' features gravity taking a holiday. Justified, since ItWasAllADream. Probably.
127* ''Film/LogansRun'' (1976): Logan's destruction of the tyrannical central computer causes his city to blow up, freeing its people.
128* ''Film/TheLordOfTheRings'' loves this trope. When the remaining members of the Fellowship are escaping from Moria after Gandalf apparently dies fighting the Balrog, they are one step ahead of a narrow bridge over a chasm collapsing behind them; miraculously the stones of the bridge collapse ''just'' behind them all the time with none of the fellowship being caught on them. and when Frodo and Sam are escaping from Mount Doom after the destruction of the ring, the collapse of the road behind them never quite catches up with them, nor does the flow of molten lava overtop the place where they seek refuge.
129* ''Film/MirrorMirror2012': The Queen's magic mirror lair collapses after her death.
130* ''Film/MissFisherAndTheCryptOfTears'': Phryne and Jack are attempting to return the emerald to the sarcophagus in the crypt. [[spoiler:Jonathon Lofthouse]] is attempting to help them, but then [[spoiler:Crippins]]--who has been revealed as the murderer -- arrives and demands the emerald at gunpoint. AS [[spoiler:Jonathon]] drops the emerald into the coffin, he and [[spoiler:Crippins]] get involved in a GunStruggle. As they do so, an earthquake hits and the crypt and it starts to collapse. Phryne, Jack and Shirin are forced to flee. Phryne tries to go back for the other two, but Jack grabs her arm and pulls her clear as fall and completely seal the crypt once again.
131* ''Film/TheMummy1999'' ends with a temple collapsing after Benny accidentally activates the "sink into sand" system. ''The Mummy Returns'' ends with an oasis and the pyramid it houses vanishing into the desert, but due to LoadBearingBoss.
132* Deconstructed in ''Film/NationalTreasure 2''. The ending plays out with a large amount of water flooding the treasure chamber, to set up a "treasure is found and lost forever"-scenario... only to cut to the main character cataloguing the contents of the water-free treasure chamber. It turns out that draining and re-excavating a temple in the middle of nowhere in the 19th or 20th century might be impossible, but in the US, under a major landmark, in the 21st? The cost could be hidden in the rounding errors of the National Park Service's budget, and the room, even without the treasure, would probably pay for itself in increased tourist revenue.
133* ''Film/OurManFlint''. Derek Flint's sabotage of the machinery in Galaxy's IslandBase causes it to blow up and destroy the base, which somehow blows up the island as well. Ironically the base doesn't actually start collapsing until TheDragon tries one last time to kill Flint, breaking some [[ExcessiveSteamSyndrome steam pipes]] which appear to be TheLastStraw to cause StuffBlowingUp.
134* ''Film/{{Phantasm}}'': The Tall Man's mortuary has a gate to his home planet. When Reggie grabs both columns of the gate at the same time, it's destabilized and eventually destroys the whole building.
135* In ''Film/ThePinkPantherStrikesAgain'', Inspector Clouseau is accidentally catapulted into Dreyfus' castle and lands on the DisintegratorRay that is about to destroy England. Knocking it askew causes the machine to catastrophically malfunction, and everyone ([[spoiler: except Dreyfus, who's hit by the beam and thus doomed]]) flees as, piece by piece, the castle vanishes.
136* In a variant, the house from ''Film/{{Poltergeist|1982}}'' collapses in on itself, and is apparently sucked into another dimension, at the end. The resident ghosts weren't actually destroyed, but were "defeated" in the sense that the whole family escaped alive, despite everything the evil presence could throw at them.
137* Justified in ''Film/RedSonja''. The castle of the evil queen Gedren was housing an ArtifactOfDoom and was already on the verge of collapsing due to the queen recklessly overcharging it. When Sonja throws the artifact into a chasm, the resulting discharge of force brings the entire castle down.
138* At the end of ''Film/TheRockyHorrorPictureShow'', Brad, Janet and Dr Scott have to leave Frank's castle before it blasts off into space.
139* In ''Film/RolliAmazingTales'', the Trashers' underground lair starts crumbling when the [[OracularHead Great Trash]] gets down his throat a broom, his only known weakness. As the heroes, the [[SinisterMinister High Priest]], and the Trashers who've regained their own personalities run for their lives, the Great Trash makes a hammy VillainSong [[DeathSong before he's crushed under the rocks]].
140* In ''Film/ThatManFromRio'', the cave that houses the treasure collapses as soon as the villain locates and tries to leave with the treasure.
141* In the horror film ''Film/Suspiria1977'', after the head witch is stabbed, not only are all the other witches seen rolling around on the floor clutching at invisible neck wounds, but the whole ballet school tears itself apart, with furniture flinging itself through windows, walls cracking, beams falling and unlikely objects, such as statues and door knobs, simply exploding for no good reason. When Susan walks away at the end, the whole place is on fire.
142* In ''Film/TheWorldsEnd'', it's the titular pub, taking the entire town with it. [[spoiler: Probably a deliberate TakingYouWithMe ploy by the Network.]]
143* In ''Film/YellowHairAndTheFortressOfGold'', the shot Pecos fires to [[BlastingItOutOfTheirHands shoot the dagger out of the chief's hands]] causes vibrations that trigger a collapse of the entire Tulpani cave system.
144[[/folder]]
145
146[[folder:Literature]]
147* In ''Literature/TheAdversaryCycle: Nightworld'' this is explained as being due to the BigBad using his magic to counteract the laws of physics. When he dies, nature reasserts itself and the underground cavern starts to collapse due to the weight of the ground above.
148** This also happens in ''Literature/{{Swellhead}}'' by Creator/KimNewman.
149* At the end of ''Literature/TheBarbarianAndTheSorceress'', Rom and Kira are forced to flee an [[TempleOfDoom ancient temple]] to an EldritchAbomination as it collapses around them.
150* The otherwise invincible [[SentientPhlebotinum Energized Protodermis Entity]] is defeated by collapsing its chamber into a chasm in ''Toys/{{Bionicle}} Adventures #6: Maze of Shadows''.
151* In ''Literature/CaptainUnderpants'', the spaceship self-destructs.
152* There are ''three'' of these in ''Literature/TheChroniclesOfPrydain''.
153* In the Franchise/ConanTheBarbarian story "Literature/TheTowerOfTheElephant," when Yag-kosha takes his revenge upon the sorcerer Yara by way of Conan, the titular tower, which Yag-kosha built for him in a single night, shatters into a million pieces after Conan escapes.
154* Literature/{{Discworld}}:
155** In ''Literature/TheColourOfMagic'', the Temple of Shub-Niggurath collapses after the eponymous EldritchAbomination is banished. It's suggested that as long as Shub-Niggurath was around, entropy itself was afraid to go near the place, but once Shub-Niggurath was gone it got stuck in and started making up for lost time.
156** Parodied in ''Literature/FeetOfClay'', when freelance exterminator Wee Mad Arthur explains why he charges so much more for disposal of wasp nests. Being a gnome only a few inches tall, he plants squibs ''inside'' the nests and then has to fight his way to the exit before they blow.
157* The [[DeletedScene deleted original ending]] of ''Literature/{{Dracula}}'' featured Castle Dracula being destroyed by an uncanny earthquake and volcano-like cataclysm after the destruction of the eponymous vampire.
158* In ''Literature/DragonBones'', [[spoiler: Castle Hurog]] has been owned by good and bad people over the time, but was built using evil magic, and is [[PoweredByAForsakenChild held together by magic.]]. When the evil is undone, the building, likewise, collapses.
159* OlderThanRadio: The collapse of the titular house at the climax of Poe's 1839 story "Literature/TheFallOfTheHouseOfUsher".
160* ''Literature/ForestKingdom'': In the ''Hawk & Fisher'' spinoff series' Book 5 (''Guard Against Dishonor''), this trope turns nasty. As per tradition, the pocket dimension in which a deadly new drug is being prepared fails when the sorcerer that created it is killed by the Watch; untraditionally, this has worse consequences than just a dramatic race for the exit, as the pocket's collapse takes a crowded city tenement down with it, causing hundreds of civilian casualties. [[spoiler: This was deliberately planned by the drug lord who'd had the pocket dimension created, to discredit the Watch and make it easier to escape with the drugs in the midst of a disaster.]]
161* In Creator/DanAbnett's ''Literature/GauntsGhosts'' novel ''First & Only'', when the Inquisitor Heldane's pawn is killed, the psychic shock kills Heldane as well, and his unleashed psychic energies tore apart the BaseOnWheels he was on. Good thing for the Ghosts and their allies that Heldane used the pawn at a distance.
162* ''Literature/TheHanSoloTrilogy'': Teroenza's treasure room suffers a great deal of damage in the first book, and the damage to the support pillars results in them and the ceiling collapsing (killing Zavval the Hutt in the process from everything landing on him). Unusually for the trope, the room gets rebuilt between books.
163* In Christopher Stasheff's ''Her Majesty's Wizard'', after the main character recited a Shakespeare passage about the banishing of illusions, the castle of the lust witch Sayeesa faded into thin air, leaving only an empty crater and a number of no-longer-enthralled young men and women.
164* In Creator/StephenKing's ''Literature/{{It}}'' this happens on a rather large scale. [[spoiler:When It dies, so does the magic that's apparently held up a lot of Derry's structure. It appears as if It was part of the town's very foundation. The weather goes crazy, the river turns into a flood and much of the city collapses into the ground.]]
165** Not exactly; [[spoiler:the storm and flood start when the Loser's Club begins to battle with IT, and the destruction peaks at IT's death... but trails off rapidly. It seems that the act of actually ''defying'' IT was enough to unbalance things on a big scale.]]
166* King Haggard's castle collapses dramatically at the end of ''Literature/TheLastUnicorn''. Given that the book was a loving spoof of fantasy tropes itself, this is not surprising.
167** The collapse was supposed to be triggered by [[spoiler:the thunderous shock of thousands of unicorns recently freed from the King and running past the foundations of the castle all at once]].
168* Happens quite frequently to ''The Lonely Winds'', usually as a result of Marc doing something stupid. {{Lampshade}}d by Nails in ''The Absolution'': "...why does ''every single fight'' we get into end with something ''on fire''?"
169* Barad-dûr ([[IDontLikeTheSoundOfThatPlace The Dark Tower]]) in ''Literature/TheLordOfTheRings'' was over two thousand feet tall (some sources suggest over 4000!) and was held up by [[LoadBearingBoss Sauron's disregard of structural physics]]. Naturally, with the destruction of [[SoulJar The One Ring]] and [[BigBad Sauron]]'s demise, the tower came toppling down, as well as the Black Gate, which had been built with the same power.
170* The exorcism at the end of ''Literature/MedusasWeb'' ends with the creepy old house catching fire and burning to the ground. By that point, the surviving members of the family that lived there are frankly glad to see it go. Foreshadowed by ghost of the former owner having a penchant for quoting lines from "The Fall of the House of Usher".
171* In Creator/TadWilliams's ''Literature/MemorySorrowAndThorn'' series, the shock of the [[BigBad Storm King's]] destruction causes Green Angel Tower to collapse with the protagonists inside, naturally prompting an escape scene. [[AnyoneCanDie Some make it out, some don't.]] The story makes it somewhat ambiguous whether this is a case of NoOntologicalInertia or the aftereffects of the spell that summoned him, but it's striking that Green Angel Tower was the sole remaining [[TheFairFolk Sithi]] structure in the Hayholt and the exact place where Ineluki killed himself 500 years prior, becoming the Storm King. [[JustifiedTrope To be fair]], the series' FunctionalMagic is explicitly stated to work on the principle of NoOntologicalInertia.
172* One of the possible results of destroying a Dungeon Core in ''Literature/AnOutcastInAnotherWorld''. Standard practice is to take the Core outside of its Dungeon before shattering it; otherwise, you risk dying after the hard part of finding the Core was already accomplished.
173* In C. S. Lewis's ''Literature/TheSilverChair'', the witch has spells to collapse her realm once she is dead. This is in some ways a good thing, [[spoiler:as the collapse allows her captive minions to return to Bism, which is even farther underground than the caverns.]] The protagonists figure that she purposely wove these spells into the cavern so that nobody could kill her without likely meeting their own demise soon afterward.
174* ''Literature/SolomonKane'': In "The Moon of Skulls", the lost city of Negari is destroyed by an earthquake just after Kane kills the quuen, and Kane is forced to flee through the collapsing city.
175* ''Literature/StarWarsHonorAmongThieves'': After [[spoiler:Han sabotages]] the NoWarpingZone device, the controls for which are hanging from the underside of the HollowWorld Seymarti's crust, the force fields holding the crust up from the core begin fluctuating and failing. Han, Leia, and Scarlet have to escape back up through the crust to the surface, then climb up the pyramid housing the entrance to the lair to where there's enough room for the ''Falcon'' to pick them up, before the entire world breaks apart and falls into the core. [[spoiler:Chewie doesn't get the ''Falcon'' there in time, and Luke has to carry them on the outside of his X-wing as the ground crumbles away under them, until Chewie can reach them.]]
176[[/folder]]
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178[[folder:Live-Action TV]]
179* In the Pilot of the original ''Series/{{Battlestar Galactica|1978}}'', [[EarthShatteringKaboom the planet explodes]] as the human fleet is fleeing, thus destroying the Cylon basestar which was very close to the surface. The reason? [[ArtisticLicensePhysics They set fire to a fuel deposit]].
180* ''Franchise/{{Buffyverse}}'':
181** In the ''Series/BuffyTheVampireSlayer'' finale "[[Recap/BuffyTheVampireSlayerS7E22Chosen Chosen]]", Sunnydale itself is a Collapsing Lair.
182** And so is the Wolfram & Hart office building in the ''Series/{{Angel}}'' finale "[[Recap/AngelS5E22NotFadeAway Not Fade Away]]".
183** As well as the following home bases: The school ("[[Recap/BuffyTheVampireSlayerS3E22GraduationDayPart2 Graduation Day Part 2]]"), Angel's office ("[[Recap/AngelS01E22ToShanshuInLA To Shanshu in L.A.]]"), the magic shop ("[[Recap/BuffyTheVampireSlayerS6E22Grave Grave]]"). And for the villains: the factory ("[[Recap/BuffyTheVampireSlayerS2E17Passion Passion]]"), the Initiative ("[[Recap/BuffyTheVampireSlayerS4E21Primeval Primeval]]"), and the original Wolfram & Hart building ("[[Recap/AngelS04E08Habeas Corpses]]").
184* ''Series/HyakujuuSentaiGaoranger'': After Ultimate Org Senki's destruction, as well as the complete anhilation of the Org Heart and following the earlier sealing of the Matrix to prevent more Orgs from being created, the whole evil base starts to collapse and buries the last two remaining evil Orgs, [=TsueTsue=] and Yabaiba, underneath the rubble.
185* ''Series/MacGyver1985'': At the end of "Legend of the Holy Rose", the Temple of the Holy Rose collapses, burying all of Ambrose's miraculous artifacts (although Mac and the GirlOfTheWeek are outside at the time and so do not have to flee through the collapsing temple). Mac speculates that Ambrose had intended this to occur all along. For the episode "Kill Zone", the collapsing lair is an underground Phoenix Foundation lab where the affably evil doctor Sandra Millhouse is conducting experiments with deadly rapid-aging organism. After her dog has contaminated the lab, MacGyver and Pete have minutes to get the elevator topside before the imminent self-destruction.
186* In an episode of ''Series/MissionImpossible'', ''The Bunker, Part 2'', third-party killer Ventlos rearranges a fuel mix to destroy the enemy bunker giving the IMF seven minutes to get out before the fuel overheats.
187* ''Series/PowerRangersWildForce'': After the Rangers destroy the three pillars of light that held it together, the Nexus starts collapsing, [[spoiler:forcing Jindrax and Toxica to save Princess Shayla and haul her out of the base quickly, but Master Org stays behind and collapses into dust as he transforms into his final form.]]
188* ''Series/Supergirl2015'': In the Season 3 episode "Trinity", Kara and the DEO take on the Worldkillers in their Fortress of Sanctuary. After Purity and Pestilence are killed and Reign flees, the Fortress collapses, dissolving into sand.
189* ''Series/WalkerTexasRanger'': This was done to a meth lab in Season 9's "[[Recap/WalkerTexasRangerS9E19UnsafeSpeed Unsafe Speed]]" after Sydney and Gage, who were posing as [[AllBikersAreHellsAngels outlaw bikers]] to infiltrate it, have their cover blown by a mule who witnessed them arrest a drug dealer earlier in the episode. The leader of the bikers gets his meth lab ready to [[StuffBlowingUp blow sky-high]] and leaves Sydney to die in there while he and his gang escape, but Walker and Gage arrive in time to save her. Gage had to free Sydney after she was cuffed to the leg of a table by the lead biker using her own handcuffs while Walker dukes it out with the leader himself. At the same time Gage frees Sydney, Walker had just given the lead biker the finishing blow, but they weren't about to let him die in the explosion.
190[[/folder]]
191
192[[folder:Podcasts]]
193* In ''Podcast/InterstitialActualPlay'', the island where the final battle takes place (which is also The Island from ''Series/{{Lost}}'') begins to self-destruct the more the party fights off the Organization's forces in the Castle that Never Was.
194[[/folder]]
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196[[folder:Theater]]
197* The hall of the Mountain King and the cave trolls in Creator/HenrikIbsen's ''Peer Gynt''. "In the Hall of the Mountain King", the most famous piece from Edvard Grieg's incidental music to the play, depicts the diabolical dance of the trolls and the collapse of the halls.
198* At the end of ''Theatre/TanzDerVampire'' this happens to the castle of Count Krolock - for no goddamn reason as we aren't even shown if he died or not. Which is, given the {{fridge logic}} of the play, not even likely.
199[[/folder]]
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201[[folder:Theme Parks]]
202* In the original version of ''Theatre/PoseidonsFury'' at [[Ride/UniversalStudios Universal's Islands of Adventure]], when Zeus defeats and banishes Poseidon, the entire city of Atlantis begins to collapse; prompting Zeus to teleport the guests to safety.
203[[/folder]]
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205[[folder:Video Games]]
206* In the first ''Videogame/AloneInTheDark1992'', Pregzt's cavern starts collapsing after you KillItWithFire.
207** ''Videogame/AloneInTheDarkTheNewNightmare'': The island blows up as Carnby and Aline make their escape by chopper, having [[LoadBearingBoss taken out]] the BigBad and re-sealed the [[SealedEvilInACan World of Darkness]].
208* In ''VideoGame/AlphaProtocol'', the GrandFinale takes place as the Alpha Protocol base is being "sanitized" in preparation for the agency closing its doors and opening up shop somewhere else under a new name. This process has less to do with paper shredders and more to do with time bombs. As you proceed through each section of the base, the bombs in the previous sections go off, [[BrokenBridge cutting you off from going back the way you came]].
209* Occurs in the Templar Archives after Altaïr kills Armand Bouchart in ''VideoGame/AssassinsCreedBloodlines''.
210* Inverted in ''VideoGame/BaldursGateII'' in that you start in the BigBad secret dungeon, which collapses (at least the only tunnel leading to the surface) as you leave it at the end of chapter 1.
211* In ''VideoGame/{{Bastion}}'', ''every'' level does this after you grab whatever MacGuffin is there, with the exception of the proving grounds -- which you can return to until you've earned all the rewards they offer -- and [[spoiler: Who Knows Where,]] which you can return to however many times you like (although it's accessed through the Bastion).
212* ''VideoGame/BatmanArkhamAsylum'': The rooms where you fight Bane and Poison Ivy. In Bane's case this is justified as he damaged the supports during his fight with you. Ivy is at least a handwave because the giant plant she used came up through the floor.
213* ''VideoGame/BionicCommando'': "This base will explode in 60 sec", after [[LoadBearingBoss killing Master D]].
214* The Nui-Jaga scorpion nest containing the infected Comet balls in the ''[[VideoGame/{{Bionicle}} Mata Nui On-Line Game]]''. Toa Pohatu and the player only escape thanks to the [[MaskOfPower Mask of Speed]].
215* In ''VideoGame/BrainDead13'', [[spoiler:this is the result of Lance's pressing the [[BigRedButton Big Red "Flush" Button]] that can cause the castle to self-destruct after the final confrontation with [[LoadBearingBoss Dr. Neurosis]]]].
216* Whenever Dracula is defeated, Franchise/{{Castlevania}} will collapse, leaving only ruins. The protagonist, especially if he is a Belmont, will usually watch this from a cliff.
217** This case is, however, {{justified|Trope}}: Castlevania is a creature of Chaos (that's why it looks different in every game), held together by Dracula's power.
218* An early example could be found in the Atari 8-bit game ''[[http://en.wikipedia.org/wiki/Caverns_of_Mars Caverns of Mars]]'' from 1981. After reaching a reactor in the cavern, the player sets it off and must escape before it explodes.
219* In the [[MultipleEndings bad ending]] to ''VideoGame/ContraShatteredSoldier'', a KillSat destroys Galuga Archipelago after you complete Mission 5, taking the heroes with it.
220* Case 36 of ''VideoGame/CriminalCaseWorldEdition'' takes place in a [[Film/KingKong1933 Skull Island]] {{Expy}} where [[NebulousEvilOrganization SOMBRA]] MadScientist Marshall Metcalf has a base [[VolcanoLair inside an active volcano]]. [[ChekhovsVolcano Wanna guess what happens to it after the case is solved?]]
221* ''VideoGame/{{Descent}}'': Every level was ended with blowing everything up and having to fly back to the emergency exit for a dramatic just-in-time escape.
222* One of the three endings of ''VideoGame/DeusEx'' involves the player blowing up an ElaborateUndergroundBase. The final cutscene is unclear on whether or not he makes it out alive.
223* The island in the original ''VideoGame/DevilMayCry1'' begins to fall apart when Mundus does.
224* In the [[HundredPercentCompletion 102%]] ending of ''VideoGame/DonkeyKongCountry2DiddysKongQuest'', Crocodile Isle sinks into the ocean as Donkey Kong, Diddy, and Dixie watch from a hill. As this happens, [[VillainExitStageLeft Kaptain K. Rool flees away on a raft to plot his next evil plan]], laughing wickedly as he does so.[[note]]In the UsefulNotes/GameBoyAdvance remake, Funky drops a bomb on K. Rool to prevent that from happening, though given that he appears as the villain in ''VideoGame/DonkeyKongCountry3DixieKongsDoubleTrouble'', [[JokerImmunity K. Rool still survives]].[[/note]]
225* The second-to-last level of ''VideoGame/DukeNukemForever'' is a two-parter that involves destroying the Hoover Dam in order to cut power to an alien wormhole. In the second half, you must escape its collapsing interior while waters rise and debris crashes down around you.
226* ''[[VideoGame/TheElderScrollsIVOblivion The Elder Scrolls Oblivion: The Shivering Isles]]'' expansion requires you to escape one of these, while boulders fall as if the DM is mad at you.
227* ''VideoGame/{{Fallout}}'': VideoGame/{{Fallout 1}} had two cases of bases with nuclear self destruct devices (perhaps the megalomaniacal bad guys wanted to make sure their plans would fail if they happened to die?). VideoGame/{{Fallout 2}} had at least one, sabotaging the computer that keeps the nuclear reactor from exploding. VideoGame/{{Fallout 3}} has a base that can be convinced to blow itself up, and in a DLC a mobile base that controls a KillSat that can command the kill sat to target the base itself.
228** The player can also do this to Vault 101 and force its evacuation as the Evil solution to "Trouble on the Homefront".
229** In ''Point Lookout'', the Calvert Mansion explodes at the end of "Thought Control", courtesy of the SelfDestructMechanism activated by Desmond.
230** One of the mandatory objectives in the Legion and House questlines from ''VideoGame/FalloutNewVegas'' (and an optional one in the NCR and Yes Man branches) is to self-destruct the Brotherhood of Steel's bunker. You can also blow up the Powder Gangers' vault.
231* In ''VideoGame/{{Faria}}'', after you defeat the boss of a tower (invariably on the highest floor) and use the convenient exit located one screen up from it, the tower inexplicably crumbles to ruins.
232* The ''Franchise/FinalFantasy'' games are no stranger to this trope. Sometimes, it's justified or {{Hand Wave}}d, sometimes it's not.
233** ''VideoGame/FinalFantasyII'' and ''VideoGame/FinalFantasyXII'' have [[CoolAirship airship bases]] that get blown to pieces.
234** ''VideoGame/FinalFantasyIV'' has the Tower of Zot and the Giant of Babil both collapse upon having their bosses get defeated. The giant is justified in collapsing, since the boss was its CPU core, and destroying it caused the Giant to stop functioning. The Tower of Zot just sort of falls over.
235** ''VideoGame/FinalFantasyV'' has the Fire Shrine. You have ten minutes to get out before it explodes, or it's GameOver.
236** ''VideoGame/FinalFantasyVI'' has the Floating Continent and Kefka's Tower. Both times, it was because the source of the world's magic was disrupted; [[spoiler:the Continent falls because the statues were moved, and the Tower falls because Kefka, who had absorbed the statues' power, was killed]].
237** ''VideoGame/FinalFantasyVII'' has the core of the Planet collapse after Sephiroth is defeated for the final time. No explanation, it just does.
238** ''VideoGame/FinalFantasyXIV'' has the Praetorium, which explodes after taking massive damage during the fight against Ultima Weapon in the Main Story Quest "The Ultimate Weapon". After defeating [[DemonicPossession the Ascian Lahabrea]], you rescue his former host [[spoiler: Thancred]] and escape the dungeon on a stolen Garlean Magitek walker, [[OutrunTheFireball narrowly escaping the encroaching fireball]].
239* At the end of ''VideoGame/{{Flashback}}'', you [[EarthShatteringKaboom blow up the Morphs' homeworld]] with a nuclear charge set in the planet's core, and have to escape [[TimedMission on a timer]].
240* ''VideoGame/ForTheKing'': The [[TheVeryDefinitelyFinalDungeon tower Harazuel]] collapses when the heroes defeat the final boss within and end the flow of [[ChaosIsEvil Chaos energy]] into the world. [[spoiler:The collapse [[TheHeroDies kills the heroes]] in the endgame cutscene, leaving the Queen to honour them with a MemorialStatue.]]
241* One chapter in ''VideoGame/GearsOfWar3'' requires you to overload a massive generator in order to shut down [[spoiler: a man-made maelstrom]]. As one might expect, this ends with you fleeing before it explodes, as the whole facility falls apart around you.
242* In ''VideoGame/TheGodfather: The Game'', you have to raid enemy compounds and sometimes their businesses, leave a TimeBomb at a specific spot and leave. If you succeed in escaping the place before the bomb goes, you get to see [[DamageIsFire flames on the (temporarily) out-of-commission building]].
243* ''VideoGame/HalfLife2: Episode One'' involves going into the Citadel to slow the timer on the meltdown of its dark energy reactor (conveniently sped up by the Combine) then getting the hell out of dodge before it goes critical and takes all of City 17 along with it.
244* ''Franchise/{{Halo}}'':
245** At the end of ''VideoGame/{{Halo 3}}'', the activation of the unfinished replacement ring causes it to shake itself apart, and you have to drive across the crumbling superstructure.
246** Early in ''VideoGame/{{Halo 4}}'', you have to drive through a collapsing section of [[DysonSphere Requiem]].
247* ''VideoGame/HolyUmbrella'' subverts a couple of aspects of this trope: the Emperor Dondera is undefeated and on the loose when his castle is set to explode, and you don't have a chance of fleeing before time runs out (yet somehow things turn out all right).
248* A variation in ''VideoGame/JeffWaynesWarOfTheWorlds'', where destroying a sector's HQ building will instantly destroy all other buildings in the sector too. This can be exploited by using ZergRush tactics. Played completely straight with the central HQ building in each faction's "home" sector, where taking it out will destroy ''everything'' and grant the other team an [[InstantWinCondition instant victory]]. The aforementioned ZergRush tactics are less effective here, as the central HQ has a large amount of health (and, in the Martians' case, ''shoots back!'')
249* ''VideoGame/KingdomOfLoathing'': When you defeat one of the Naughty Sorceress's familiars, immediately prior to the boss fight, the game informs you that "You move further into the tower, while huge chunks of stone fall from the walls for no good reason."
250* ''VideoGame/KnightsOfTheOldRepublicIITheSithLords'': The ending cinematic shows the Trayus Core starting to collapse and fall into a bottomless chasm (presumably leading to the planet core) before you're rescued just in time by your ship.
251* ''[[VideoGame/KirbySuperStar Revenge of Meta Knight]]'' ends with the Halberd breaking down and Kirby fleeing on a Wheelie, while Meta Knight attempt to slow him down and [[TakingYouWithMe keep him from escaping]].
252* ''VideoGame/KirbyStarAllies'' has [[spoiler:Zan Partizanne rupture the Jambastion's core after her defeat]], forcing Kirby and his friends to escape before the place falls down on them. Emphasis on ''friends'', as the Friend Circle, Friend Bridge and Friend Star require a full team in order to use, making a solo escape impossible. Unlike most other examples on this page, there's no time limit.
253* This happens at the end of ''VideoGame/LaMulana''. In the original version, Lemeza simply escapes via cutscene. In the remake, the player has 5 minutes to escape or [[GameOver they'll have defeated the final boss for nothing]].
254* In ''VideoGame/TheLegendOfZeldaOcarinaOfTime'', after Ganondorf is defeated the first time, [[LoadBearingBoss he makes his castle collapse with his last breath]], [[TakingYouWithMe intending to bury Link and Zelda alive in the wreckage]], and the duo has [[TimedMission three minutes]] to escape before they are killed[[note]]actually, Link loses one heart and has to start over[[/note]]. Made cooler by the fact that you get to fight Ganon on the wreckage after escaping the castle. Made slightly more annoying by the two Stalfos that [[RevivingEnemy revive if you take too long to kill the second one after defeating the first one]], and the [=ReDead=] that like to paralyze you, especially since you're unable to use the Ocarina to play the Sun's Song, while the timer ticks down.
255* Happens 3 times in ''VideoGame/LostOdyssey''.
256** The first dungeon to come crashing down is the Experimental Staff. After [[spoiler: Gongora]] wipes the floor with your party and leaves them for dead, he (or perhaps some of his men) activate the Experimental Staff's self-destruct system. As soon as the party manages to get back on their feet, the destruction begins, and you have 12 minutes to escape. There are numerous small tremors and a large amount of debris falling around you as you make your way out.
257** Next to fall is Grand Staff, which is flying in the air at this point. After the "boss fight" with [[spoiler: Possessed Jansen, Gongora]] learns a valuable lesson: Pay attention to where you're going when flying an aerial structure. While he was occupied with the party, Grand Staff smashes into the side of the Tower of Mirrors. This doesn't dent his plans too much though, as he acquires the power he needed and once again leaves the party for dead, escaping through a portal just as the entire structure starts to fall apart. After the party pulls themselves together, you are once again tasked with a timed escape, this time you've got 8 minutes to get out. Unlike during the Experimental Staff escape, there are no large chunks of debris falling while making your way out. There are still tremors, however.
258** The final thing to go bye-bye is none other than the Tower of Mirrors itself, though this one doesn't so much collapse as it does get sucked into itself. After defeating the final boss, the post-battle events result in the [[spoiler: gate to the immortals' world]] malfunctioning, eventually growing into a massive portal that sucks the entire tower into it. Escape is automatic as the party flees by airship, just barely making it out as the tower fragments into pieces, and then both the tower's remains and the gate vanish in an explosion.
259* Neo Bowser Castle collapses when the final boss is defeated in ''VideoGame/MarioAndLuigiDreamTeam''.
260* ''Marvel Ultimate Alliance 2'' has a sequence very early in the game where the player's squad of four heroes must escape Castle Doom as it implodes, occasionally dropping large chunks of its innards onto the player's heroes as they go.
261* ''VideoGame/MedalOfHonor: Allied Assault'' has you demolish Fort Schmerzen in the final level by detonating a gas main, and [[BigDamnFireExit run for the exit]] while it's being rocked by explosions.
262* ''VideoGame/MegaManClassic'': This happens to Skull Castle very often at the end of games in the original series.
263** In the Game Boy ''Mega Man IV'', the area after the second battle with Ballade has you escaping from the Wily Tank as it blows away behind you.
264* ''Franchise/{{Metroid}}'' games often contain segments (especially at the end) where the player must guide Samus out of one of these before a timer runs out.
265* ''VideoGame/MightAndMagic IV'' ends with this, although the party does get out safely.
266* At the end of ''VideoGame/ModernWarfare'''s first mission, "Crew Expendable", the Estonian freighter gets bombed by Russian MIG's and starts taking on water, forcing the player to run through the collapsing and sinking ship to the extraction chopper.
267* Midway through ''VideoGame/ModernWarfare2'''s seventeenth mission, "Just Like Old Times", Shepherd sets his hideout Site Hotel Bravo to be detonated through Directive 1-1-6 Bravo.
268* In the Roguelike game ''VideoGame/NetHack'', if there's an unrecoverable bug in the game, the dungeon collapses, and you lose the game, having "panicked"
269* Twice in ''VideoGame/NeverwinterNights: NeverwinterNights/ShadowsOfUndrentide''. First, during the Interlude, the party is led into a trap and have a Netherese ruin come crashing down on them, and your mentor Drogan gives his life to save you and your companion. Then, in the finale, the ancient city of Undrentide once again falls from the sky once Heurodis is defeated, with the player forced to flee into a portal to the Plane of Shadows.
270* In ''VideoGame/NeverwinterNights2'', the base campaign ends with the King of Shadows bringing the dungeon down around your ears in his death throes. Before the expansion, this was implied to have been a literal case of RocksFallEveryoneDies, with the ending slides dealing with everyone but the party, who it seems never escaped the Vale of Merdelain. ''NeverwinterNights2/MaskOfTheBetrayer'' takes steps to soften this, starting on the reveal that the Knight-Captain at least was teleported away.
271* ''VideoGame/{{Onirism}}'': After beating the boss of Emily's Brewery and unlocking a new path, you find it ends with a destructible piece of machinery. Breaking it is the only way out and sets off an escape sequence where ''all'' machinery breaks as you pass near it, while you strive to outrun the Exact Time to Failure five-minute timer.
272* This happens to all of the major dungeons in ''VideoGame/OriAndTheBlindForest'' after their Element is restored. The Ginso Tree floods with water, the Forlorn Ruins crumble due to Gumo removing the Light Vessel, and Mount Horu erupts.
273* In ''Videogame/PaperMarioColorSplash'', you have to set off a group of large Bob-ombs in order to destroy [[spoiler:a large tank of black paint in the bomb factory within Black Bowser Castle]]. This results in [[spoiler:black paint flooding the lower levels of the castle and damaging its structural integrity]]. Once you lay the smackdown on [[spoiler:Black Bowser and rescue Peach, the upper levels of the castle start to fall apart, and you have to run to the entrance as debris crashes down around you]].
274* ''VideoGame/PeretEmHeruForThePrisoners'' [[PlayingWith plays with this]]: [[spoiler:Pharoah Khufu]] ''appears'' to be a LoadBearingBoss, forcing the survivors to flee for their lives. However, Ayuto eventually realizes that [[spoiler:Kyosuke]] accidentally {{Invoked}} this trope: [[spoiler:having inherited Khufu's incredible psychic powers, he caused the ruins to start collapsing because he ''[[YourMindMakesItReal believed]]'' they would, simply because he'd seen that trope in so many horror movies]].
275* In ''VideoGame/Persona4 Golden'', the [[BonusDungeon Hollow Forest]] is unique in this regard; any previous dungeon you can revisit at your leisure, but this place was created solely to disappear from memory and reality and [[UnPerson take its creator with it]]. Success and failure have the same result; you just get to actually see it if you succeed.
276* ''VideoGame/Persona5'' has this as a basis. The [[MentalWorld Palaces]] are manifestations of the desires of truly twisted individuals like mafia bosses, [[CorruptCorporateExecutive Corrupt Corporate Executives]], mass murderers, etc. The Phantom Thieves change their targets' hearts by stealing a person's Treasure, the root of their desires, the basis upon which the Palace grew. And without that basis, everything else self-destructs; there's nary a mission's end wherein the Thieves ''aren't'' running for their lives as everything falls to pieces around them.
277* Downplayed in ''VideoGame/Persona5Strikers''. Like in the previous game, the bad guys have entire pocket dimensions to themselves. But the only part that collapses after the defeat is the birdcage at the core of the world where they dwell.
278* ''VideoGame/PizzaTower'': [[spoiler:After finally defeating Pizzahead and knocking down the Pillar John in the final level, the tower starts to collapse. The rest of the level consists of making a mad dash for the tower entrance through the HubLevel with your friends (and the other bosses) in tow.]]
279** The more localised 'Pizza Time' happens at the end of every level [[spoiler:except [[TheWarSequence WAR]]]] after knocking out its Pillar John, prompting a mad dash back to the entrance.
280* In ''Videogame/{{PN 03}}'''s ninth mission, after destroying Orchidee 2.0 and finding the Vanessa clone, a 5-minute self-destruct timer starts, [[BlackoutBasement the lights start flashing on and off]], and new enemies have spawned along the escape route.
281* ''{{Franchise/Pokemon}}'':
282** In ''VideoGame/PokemonBlackAndWhite'', while you never see it happen, the Seven Sages claim that [[spoiler:N's Castle gets destroyed after [[BigBad Ghetsis]] is defeated.]] Following the TimeSkip, the ruins of it can be revisited in ''VideoGame/PokemonBlack2AndWhite2''.
283** In ''VideoGame/PokemonXAndY'', [[spoiler:the secret headquarters of Team Flare is destroyed by the Ultimate Weapon as the heroes escape, with the entrance buried by rocks afterwards.]]
284* In ''VideoGame/PonyIsland'', [[spoiler:once the player deletes all three core files and initiates the system dump, the game begins to collapse. As the game gets deleted, the player and fellow imprisoned souls run to escape the confines of the rapidly-deleting game and be able to move on to the afterlife, while Lucifer does his best to claim as many souls as possible. Throughout the escape, corrupted files get hurled into the player and escapees' direction, requiring the player to destroy them with [[WaveMotionGun pony lasers]] to ensure they won't kill the souls.]]
285* ''VideoGame/{{Portal}}''. After you [[spoiler: throw all four of [=GLaDOS=]' core piece into the incinerator]], the room you're in blows up, and you end up outside the Center.
286** See LoadBearingBoss.
287** In the last two chapters of ''VideoGame/Portal2'' the Aperture Science facility becomes this, not because of your actions but because [[ArtificialStupidity Wheatley]], who was programmed to make bad decisions, has decided not to perform any of the maintenance functions needed to keep the place from falling apart.
288* Every endgame location in every ''Franchise/ResidentEvil'' ever made. Sometimes this even happens twice, as in ''Code Veronica''. It's mostly [[JustifiedTrope justified]] since said locales typically contain laboratories crawling with viral abominations and are armed with fail-safe [[SelfDestructSequence self-destruct mechanisms]]. On the fourth title to erase her evidence, Ada blows Saddler's island fortress to kingdom come with explosives set to a three minute timer and even gives Leon jet-ski keys so he and Ashley can escape.
289* This happens to VideoGame/{{Riven}} when you re-open the Star Fissure.
290* In ''VideoGame/ShounenKinindenTsumuji'', after defeating the Big Bad and the Demon King the Demon Castle begins to destroy itself.
291* ''Franchise/SonicTheHedgehog'':
292** ''VideoGame/SonicTheHedgehog2'' ends with [[BigBad Dr. Eggman's]] [[KillSat Death Egg]] as it falls apart, with the title character managing to escape just before it blows up and falls to the Earth. It gets repaired and put back in orbit in ''VideoGame/Sonic3AndKnuckles'', only to be finally destroyed at the end of this one.
293** In ''VideoGame/SonicSpinball'', this is the basis of the final level, "Showdown". After Sonic destroys Robotnik's [[UnwillingRoboticization Veg-O-Machine]], his volcanic lair begins to sink into the ocean, and he [[VillainExitStageLeft decides to flee]]. Naturally, Sonic isn't having any of that and sends him back into the volcano as it sinks into the ocean completely.
294** At the end of ''VideoGame/SonicBlast'', the Silver Castle sinks into the ocean as Sonic or Knuckles watches from a hill. In the BadEnding, [[VillainExitStageLeft Robotnik flees from the Silver Castle to plot his next evil plan]], but in the GoldenEnding, he doesn't.
295* In the fan game ''VideoGame/SonicChronoAdventure'', the [[FloatingContinent Sky Empire]] starts to get [[spoiler:overrun by Eggman's own magnetic mass, prompting Sonic and Rodolia to escape. {{Subverted|Trope}} because after the final battle in the city, the magnetic mass disappears, but Sky Empire miraculously floats for the next hundred years. It's also {{double subver|sion}}ted because the damages from the huge takeover prevent anyone from inhabiting in there.]]
296* The first three ''VideoGame/SpaceQuest'' games do this. In [[VideoGame/SpaceQuestITheSarienEncounter the first]], the Deltaur is destroyed by the activation of the Star Generator. In [[VideoGame/SpaceQuestIIVohaulsRevenge the second]], Vohaul sets his space station on a decaying orbit [[LoadBearingBoss just before he dies]]. In [[VideoGame/SpaceQuestIIIThePiratesOfPestulon the third]], destroying the Stealth Field Generator on Ortega triggers a series of volcanic eruptions.
297* In ''VideoGame/SpiderMan2000'', Spidey plugs up the vents that's spewing the chemicals allowing people to bond to symbiotes, then defeats Dr. Octopus and Carnage. When Monster Ock shows up, the base starts falling apart due to the build up and Spidey must escape from the base while making sure Monster Ock doesn't try to kill him.
298* In ''VideoGame/SpyHunter2001'', the enemy base explodes after you {{EMP}} the DoomsdayDevice at the end.
299* In ''[[VideoGame/StreetsOfRage Streets of Rage 3]]'', when Dr. X's Robot Y boss is defeated (whether in time for the GoldenEnding or not), the last thing Dr. X does before dying is set off a SelfDestructMechanism in his base, determined to take Axel, Blaze, Skate, and Zan with him. Adam rescues them before the base explodes.
300* In the fifth and final episode of ''VideoGame/StrongBadsCoolGameForAttractivePeople'', after finally defeating Trogdor, his lair starts to collapse and WebAnimation/HomestarRunner literally says that Trogdor "must've been a load bearing dragon".
301* ''VideoGame/{{Suikoden}}'' likes this trope. In the mainline games, after beating the FinalBoss, the dungeon starts to collapse because of the final battle, forcing the hero and his companions to abandon the place to save themselves.
302** Averted in ''VideoGame/SuikodenV''.
303* {{Lampshade h|anging}}ung in ''VideoGame/SwordcraftStory 2'', where an NPC is trying to make the protagonist get something she lost without being obvious. So she tells her that the sword the protagonist is trying to get will cause the cave to collapse without the object. Another character on the scene remarks, "Ah, the load-bearing treasure!"
304* ''Franchise/TombRaider [[VideoGame/TombRaiderI I]]'', ''[[VideoGame/TombRaiderII II]]'', and ''[[VideoGame/TombRaiderAnniversary Anniversary]]'', explicitly.
305** In ''[[VideoGame/TombRaiderLegend Legend]]'', [[spoiler: Amanda gets trapped under the rubble with the shadow monster]], and the entire tomb collapses in on itself. You then proceed to return and attempt to drain it.
306** In ''[[VideoGame/TombRaiderTheLastRevelation The Last Revelation]]'', Lara [[OurHeroIsDead apparently falls to her death]] during the collapse of the Temple of Horus.
307* VideoGame/{{Unreal}}: After killing the final boss, although not so much collapsing as exploding while you run for the escape rocket.
308* ''VideoGame/VampireTheMasqueradeBloodlines'': The Vampire Hunter Grunfeld Bach, after being beaten by the player character, waits to greet you on your way out with a [[SelfDestructMechanism detonator]]. You have to race the countdown to the exit, choosing whether to rescue a kidnapping victim on the way out.
309* ''VideoGame/VermintideII'': {{Justified|Trope}} in the final level. The heroes sabotage the [[CoolGate giant portal]] being used to invade the Empire, kill the FinalBoss before he can fix it, and flee the ElaborateUndergroundBase as the portal's destabilizing magic brings it all down. Fortunately, the exit elevator still works.
310* Happens several times in ''VideoGame/Wolfenstein2009''. The massive underground base in the caverns beneath the farm explodes after retrieving a crystal being used for research deep within -- though it's kinda-sorta justified: the destruction is implied to be caused by the creatures you freed by getting the crystal rather than by the simple act of taking it. Later, the entire Cannery explodes after defeating a certain load-bearing boss (though this was a result of destroying several critical pieces of machinery, rather than the boss's death). It also happens at the end of the game, after defeating the last boss.
311* ''VideoGame/WordRealms'' discusses but ultimately averts this.
312-->'''The Player''': I was sort of expecting the Castle to fall down. ({{Beat}}) Probably better get the hell out of here, regardless.
313[[/folder]]
314
315[[folder:Web Animation]]
316* ''WebAnimation/HomestarRunner'': Parodied in the WebAnimation/StrongBadEmail [[Recap/StrongBadEmailE173ThePaper "the paper"]]. Strong Bad is on a sinking FarSideIsland in a flashback, and says "How is this island sinking? I didn't even kill any end bosses!"
317* WebAnimation/SMG4MovieWesternSpaghetti: [[spoiler:Once Meggy and Tari manage to break free of Wren's simulation, he goes utterly batshit and attempts to force them back in by bringing the stimulation into the real world, which causes the machinery to malfunction since it can't handle the process. This in turn causes the building they're all in to begin falling apart from the tremors of the exploding machine. Everyone manages to flee from the lair, except for Wren.]]
318[[/folder]]
319
320[[folder:Web Comics]]
321* In ''Webcomic/EightBitTheater'', this occurs twice:
322** Once when the fiend of fire, Kary, [[spoiler:is defeated, Red Mage yells that they have to get out because the main villian's base explodes. Black Mage laughs it off, then the volcano explodes. He then says he's "brave enough to chalk that up to coincidence."]]
323** Then, right after [[spoiler: Muffin is defeated, Black Mage and Fighter remove the air orb, causing the floating castle to collapse.]] A possible third time occurs in the final boss fight when [[spoiler: Black Mage shoots his super-evil at Sarda. Technically they weren't inside for it and the main villian's defeat wasn't until later but the place still collapsed.]]
324* The golden temple in ''[[Webcomic/FifteenMinds Blue Moon Blossom]]'' where the bunny and dino found [[spoiler:the rabbit spirit]] starts to collapse as soon as [[spoiler:the spirit]] is released from the crystal it'd been sealed in.
325* Lord Milligan from ''Webcomic/CaseyAndAndy'' has set up a device to register his heartbeat and, if it's absent, will trigger explosives in his base. Quantum Crook takes Lord Milligan hostage in one instance to get the heroes to back off, knowing that Milligan is a CardCarryingVillain and would have invoked this trope.
326* In ''Webcomic/DragonMango'', [[http://dragon-mango.com/comic/chapter02/dm02-69.htm they make it out only because of the hippogryff.]]
327* A rare protagonist (sorta?) example comes from ''{{Webcomic/Erfworld}}''. After the Coalition forces overwhelm Gobwin Knob and nearly destroy the city, Parson Gotti orders everyone into the caverns, then has their remaining casters link up to use their various magic powers to awaken the dormant volcano beneath the mountain. The resulting explosive eruption wipes out not only the city (which gets fixed soon after), but the entirety of the Coalition forces.
328* ''Webcomic/TheOrderOfTheStick'': The Dungeon of Dorukan collapses after the Order of the Stick defeats Xykon and [[spoiler:Elan activates the [[SelfDestructMechanism self-destruct rune]]]].
329* Happens in ''Webcomic/{{Panthera}}'' when [[spoiler: Oosterhuis]] destroys the load-bearing columns of the underground facility when he loses his alias and his support, leaving Panthera [[spoiler: and several FBI agents]] in the collapsing room.
330* At the end of the "Dangerous Days" arc in ''Webcomic/SluggyFreelance'', the building Hereti Corp set the building they had used for the Aylee project to self-destruct. This is apparently standard Hereti Corp procedure for anything they might lose, even bagels.
331* ''Webcomic/StandStillStaySilent'': A heroic and downplayed case happens with [[spoiler:Pastor Anne's church after she passes onto the afterlife]]. In the present case, the protagonists happen to be in room that gets less affected than the rest of the building, which enables them to stay inside until it's safe for them to leave.
332[[/folder]]
333
334[[folder:Web Original]]
335* [[EvilOverlordList Evil Overlord Rule]] No. 107 : Even though I don't really care because I plan on living forever, I will hire engineers who are able to build me a fortress sturdy enough that, if I am slain, it won't tumble to the ground for no good structural reason.
336* In Literature/SailorNothing, [[spoiler: the entire Yami-Gaia collapses after the [[EvilOverlord Dark Queen]] dies.]]
337[[/folder]]
338
339[[folder:Western Animation]]
340* Used ''all the time'' in ''WesternAnimation/BatmanTheAnimatedSeries''. As an episode nears its end, you just know that the whole place Batman is currently at is about to explode, collapse or get destroyed in some contrived way.
341** ''WesternAnimation/BatmanBeyond'' is ''even'' worse and moves this into outright trope abuse territory. It's almost assured that the final setpiece will explode into flames somehow. Trying to make a drinking out of this trope '''WILL''' kill you.
342* ''WesternAnimation/BigHero6TheSeries'': [[spoiler: [[ArcVillain Obake]]]] goes down with his lair during the [[Recap/BigHero6TheSeries Season 1 finale]], which is falling apart due to the massive shockwave caused by Big Hero 6's plan to stop ''his'' plan. Baymax offers to save him. [[DrivenToSuicide He declines]].
343* Dark Heart's lair in ''WesternAnimation/CareBearsMovieIIANewGeneration'', after [[spoiler:he makes a HeelFaceTurn]].
344* ''WesternAnimation/ClerksTheAnimatedSeries'' parodied this when Dante and Randal escape from an ''Indiana Jones and the Temple of Doom''-style mine, and Randal stops to pull a lever on the wall marked "do not pull". The entire mountain then begins to collapse.
345* Happens in the ''WesternAnimation/DangerMouse'' episode "All Fall Down," and indirectly attributed to Colonel K. Mac the Fork and Dudley Poyson built an earth shattering device which they activate. The building they're in collapses only as Colonel K had spilled some tea on the device's blueprint thus altering its primary function.
346* [[BigBad Cobra Commander's]] mansion in the final episode of ''WesternAnimation/GIJoeRenegades''.
347* ''WesternAnimation/KimPossible'', in episode "Downhill", gave us the title quote.
348** And in other episodes, such as the time that Dr. Drakken his his lair inside the world's biggest wheel of cheese. And then built a raygun capable of melting said giant cheese. HilarityEnsues.
349* In the ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' episode "Daring Don't", the removal of the [[ArtifactOfDoom Rings of Destiny]] from the altar causes the collapse of Ahuizotl's temple.
350* In the Season 5 Finale of ''WesternAnimation/MiraculousLadybug'', Monarch's lair (and part of the Agreste's Mansion) is absolutely trashed during the final fight between [[FusionDance Bugnoire]] and Monarch.
351* Standard for ''WesternAnimation/PhineasAndFerb'''s [[TwoLinesNoWaiting B story]] involving Dr. Doofenshmirtz and Perry the Platypus.
352* In ''WesternAnimation/TheSmurfsAChristmasCarol'', Grouchy deals with a collapsing bookshelf in Gargamel's lair when Azrael chases after him.
353* Happens in an episode of ''WesternAnimation/SouthPark'', to ''the Vatican'', no less -- after Father Maxi blows his top at the complete idiocy and uncaringness of the Vatican officials and others who not only [[PaedoHunt molest children]], but [[ItMakesSenseInContext also worship a "queen spider"]], he tears the ancient "Holy Document of Vatican Law" (which he'd spent part of the episode tracking down) in two; somehow, this causes St. Peter's Basilica to collapse, killing much of the [[PedophilePriest Pedophile Priests]] in the room.
354* In an episode of ''WesternAnimation/TheSpectacularSpiderMan'' showcasing the Sinister Six, Spidey must visit Doc Ock's underwater lair to thwart his plan of world domination. After successfully doing so, Doc hits the self-destruct button, causing a tense moment as Spider-Man must free himself from a large chunk of metal, save Gwen, and get out of the lair all before it blows up.
355* ''WesternAnimation/StarWarsRebels''[[Recap/StarWarsRebelsStepsIntoShadow , "Steps Into Shadow"]]: Ezra's plan takes advantage of just how easy is is to make the Empire's Reklam Station fall, but he underestimated his opponents and gets tapped and nearly killed himself by the failing station and loses the ''Phantom''.
356* ''WesternAnimation/SupermanTheAnimatedSeries'': In the episode [[Recap/SupermanTheAnimatedSeriesS2E6IdentityCrisis "Identity Crisis"]], Lex Luthor uses a SelfDestructMechanism at the end of the episode to cause his lab to collaspe, destroying any evidence of his illegal Kryptonian cloning experiments.
357* ''WesternAnimation/SuperRobotMonkeyTeamHyperforceGo'': The Citadel of Bone, with a twist -- [[spoiler: it can pull itself back together afterwards.]]
358* Happens a couple of times in ''WesternAnimation/TeenTitans2003'':
359** In "Apprentice II", [[BigBad Slade]] triggers his lair's self-destruct so that the Titans will be too busy saving themselves to prevent his VillainExitStageLeft. It works.
360** In "Aftershock II", [[TheDragon Terra]] turns on Slade and unleashes so much power she [[PowerIncontinence loses control of it]], triggering a volcano beneath the lair. The lair is destroyed and Slade is killed; Terra performs a HeroicSacrifice to shut the volcano down and keep the damage from spreading further.
361** In "Deception", Cyborg turns new BigBad Brother Blood's superweapon against him. Blood uses his telekinetic power to keep from being killed, but the unleashed energies cause the lair to begin caving in.
362** In "Wavelength", Brother Blood's new secret weapon is overloaded, destroying his base in the process.
363** In "Titans Together", [[BigBad the Brain]] ''tries'' to set off a bomb to destroy the Titans as he flees his base, but they teleport it away and capture him.
364* ''WesternAnimation/WatershipDown'', the TV series, inverts this as a positive version for the heroes, after Hazel manages to get the other males to do their bit digging their new burrow with the doe, Blackberry. At one point, all the gang is working on one area when the ceiling partially collapses. However, no one is hurt and the rabbits find that the accident cleared away much of the material to create a very nice great hall for their burrow.
365[[/folder]]
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