Boss fight usually occurring after a major revelation in the plot (e.g., about 2/3 into the game). Usually notable for being a long and difficult battle... that is, if it isn't a Hopeless Boss Fight. In a game which has only one battle music for normal battles and one for most bosses, a climax boss may have its own unique battle music, a distinction otherwise reserved for a Final Boss. Note that to qualify for this trope, the boss must be at least somewhat of a challenge; if they're a complete pushover, that's Anti-Climax Boss. However, the boss fight does not have to be overly difficult, and a particularly difficult boss fight does not qualify as a Climax Boss unless it comes at a climactic point in the plot. Final Bosses also do not qualify, nor do bosses fought very close to the Final Boss; ideally a Climax Boss would take place somewhere around the two-thirds or three-quarters mark, not nine-tenths. Contrast Anti-Climax Boss, That One Boss, Final Boss. Inversion is The Unfought, where this kind of battle is set up, but never happens. It isn't usually required to beat them in Orgasmic Combat.
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Action Adventure Game
- Nightmare in Metroid Fusion, who was foreshadowed throughout most of the game. Other M retroactively makes it even more of a Climax Boss, as it's revealed Samus encountered it before.
- The battle with Frenzied Toroko in Cave Story mixes this with a heaping helping of Player Punch for even more of a dramatic effect.
- And then there's the Core fight, which comes after a minor plot revelation and is followed by a more important one. Plus, it's got its own BGM track, loads of creepy atmospheric build-up, and is followed by both a Player Punch and a fork in the road.
- The Legend of Zelda:
- The wizard Agahnim, in The Legend of Zelda: A Link to the Past. Link only thought he was the Big Bad.
- Helmaroc King in The Legend of Zelda: The Wind Waker. It being the kidnapper of Link's sister, Aryll, as well as having kidnapped other girls and overall terrorizing the Great Sea. But it's only Ganon's seccond-in-command.
- Zant from The Legend of Zelda: Twilight Princess fills much the same role, complete with a Boss Rush in his battle before a crazed and desperate finale.
- Byrne fulfills this role in The Legend of Zelda: Spirit Tracks, unique theme and all.
- Yuga is this in The Legend of Zelda: A Link Between Worlds, appearing in Hyrule Castle as a boss with a very similar backstory and battle to Agahnim in A Link to the Past. It's after he's defeated that Link actually learns about Lorule and the captured sages.
- The "White Assassin" in Mirror's Edge is actually the only actual boss fight in the game. The after-fight cutscene also makes it the Wham Level.
- Ōkami has two Climax Bosses: Orochi and Ninetails. Both brings a new revelation: Orochi's death causes all the other bosses to be let loose upon the world, and Ninetails reveals the existence of Yami.
- The final battle with the Blood Ark in Another Centurys Episode 3, at the end of the middle stage of the game. While it is a battle against the Final Boss pilot, and it has the first use of a specific boss battle theme, it is almost laughably easy, since your forces have been getting upgraded, and the villain is using the same mech he had at the beginning. The climax comes from the removal of his unusually obscuring mask.
- Darth Vader in The Force Unleashed. In the Wii/PS2 version, the second duel with Kento Marek, aka., Galen's father may count as well.
- And for the future DLC, OBI-WAN KENOBI AND LUKE SKYWALKER!
- Several in Asura's Wrath. Each of them is an episode all on their own, or at least have a fight that lasts most of the episode. The fights against Yasha, Augus, Olga's fleet, and Wrath Asura are probably the best examples.
Beat 'em Up
- The first Shredder fight in Teenage Mutant Ninja Turtles IV: Turtles in Time. Once he's defeated, the actual time-travel part of the game begins.
- Ninja Gaiden II (the original NES version) has a climax boss in Ashtar, who we initially believe is the Big Bad behind the game. Ryu defeats him about halfway through the game, but the threat posed by the Dark Sword of Chaos isn't over yet, and the true Big Bad turns out to be Jacquio, who you defeated in the very first game, and who has revived himself using the Power of Evil. The same Final Boss music is used for both major battles.
- In God of War II, Lakhesis and/or Atrophos, two of the Sisters of Fate. (Clotho, the third sister, is more of a Puzzle Boss.)
- Subverted in the original game. Not only were there not a lot of actual boss fights (plenty of big mooks though), but
most of themevery last one of them except Ares seemed to just randomly appear out of nowhere.
- Also subverted in III, where the real turning point of the game's plot (finding and freeing Pandora) isn't done with a boss fight at all, but a puzzle. Seems to be a common theme in this series. (Though some might suggest the rock scorpion would qualify as this trope.)
- Subverted in the original game. Not only were there not a lot of actual boss fights (plenty of big mooks though), but
First Person Shooter
- The Über-Soldat and, to a lesser extent, Olaric in Return to Castle Wolfenstein.
- Ugh Zan III in Serious Sam - The First Encounter. Probably the tallest boss at its time in first-person shooters.
- Except that he's the Final Boss. In First Encounter, the Uber Lava Golem may qualify. In Second Encounter, it's that horrid larva mech thing.
- Halo 2: The Prophet of Regret.
- Unless you just jump on his chair and punch him in the face, then he's a textbook Anti-Climax Boss.
- The Heretic Leader is another example, although he's only the first boss, he's the hardest of the three, at least on Legendary.
- Legendary co-op turns all the boss fights into That One Boss instead. The Heretic leader becomes the easiest because if you get lucky, you can assassinate him in one hit. The Prophet of Regret is a absolute nightmare (you have to watch out for his teleporting chair. If his giant laser (one shot kill) doesn't get you, the grenade spamming grunts will. If they don't, then the elites (both dual wielding plasma pistols AND using swords) sure will. On top of that, if you are skilled/fast/lucky enough to survive all three, your partner had better damn well be too. The final boss almost seems EASY after that.
- In Halo 3, the Dual Boss against two Scarabs and the assault on the Citadel can count. On the other hand, Truth is hyped up to be this but he just gets killed by the Arbiter in a cutscene.
- Strife has The Programmer. Most of the game to this point had been preparing to storm his castle. During his fight, you are introduced to The Sigil and spend the rest of the game collecting its components from his colleagues.
- Vaas in Far Cry 3.
- The Cyberdemon in Doom. It was even featured on the sequel's cover!
- X vs. Zero in Mega Man X 5. This battle is built up by four games' worth of storyline (even included in a prophecy, or something close to one for a sci-fi series), gives genuine conflict to the characters involved, and one of their deaths brings about the end of the series (supposedly). The awesome battle theme cements its status as one of the best battles in the X series (some say even the entire Mega Man continuity).
- The Egg Viper in Sonic Adventure. To a degree, the Egg Walker too, but it's pretty easy.
- E-101 Mark II qualifies as well, and possibly Alpha/ZERO. They each get their own unique themes and act as the final bosses to their side-stories.
- The 3D Mario games have Bowser or Bowser Jr. fights throughout, unlocking new levels after each one.
- While Sunshine followed a somewhat different formula, the Climax Boss was Mecha-Bowser, which is followed by the reveal of Shadow Mario's identity. It's Bowser Jr.
- In a way, Ludwig von Koopa serves as one for Super Mario World: he's the fourth of the seven Koopalings and the only one whose attack pattern isn't recycled, and he guards the bridge that connects Dinosaur Land's two major continents.
- Kirbys Return To Dreamland gives us Grand Doomer, whose defeat triggers the completion of the Lor Starcutter and the group arriving at Halcandra.
- Spyro: Year of the Dragon gives us Scorch, the boss of the penultimate world, Evening Lake. The cutscene before the fight gives a major plot revelation: The Sorceress is NOT a Well-Intentioned Extremist, which she reveals to Bianca. Bianca, this Not Being What She Signed Up For, finally performs her Heel-Face Turn. Anyway, the Sorceress needs a "Monster to End All Monsters" so she takes one of her minions, as she and Bianca have done twice already, but this one is unique. Unlike previous times, this minion is frightened and needs to be pushed over by his partner. Also, you don't see the boss in the cutscene this time. Then, we get to the actual fight, in which Bentley tells Spyro that the Sorceress is going to use Scorch to crush her enemies, starting with them. The fight is fairly challenging, though many cite it as easy. The reason is that the previous boss is considered by many to be one of the hardest fights in the game, and an optional mini-boss in a recent level is considered to be one of the most annoying.
- Despite being the penultimate boss, Metal Sonic serves this role in Sonic CD. Prior to this point, Metal kidnapped Amy Rose and changed the past to help Dr. Robotnik rule the future, leaving Sonic to spend the entire game undoing his actions. When Sonic finally confronts him, they duke it out in a style of Boss Battle previously unseen in this series, racing, along with appropriate music.note This race concludes with Sonic finally rescuing Amy and defeating Metal, with only Robotnik left to oppose him. It's arguably the most memorable moment of the game, as well as the most challenging.
- Purge the King from Space Channel 5 Part 2.
- In Rhythm Thief & the Emperor's Treasure, Raphael starts learning that Napoleon has plans greater than simply unleashing his minions and stealing things. His investigation takes him to the courtyard in Versailles—where Napoleon himself shows up and challenges Raphael to a duel. They both live to see another day, but the game gets considerably darker and more serious from his duel onwards.
Role Playing Game
- Seymour Natus in Bevelle and later Yunalesca in Zanarkand in Final Fantasy X.
- Atma/Ultima Weapon in Final Fantasy VI. He comes in right at the end of the The Floating Continent and has a boss theme that plays four times (his appearance being the first time, the subsequent ones against the Warring Triad) in the game.
- Saturos in Golden Sun.
- Agatio and Karst in the sequel, which incidentally is the only boss fight you're allowed to lose.
- Kingdom Hearts:
- The fights against Dragon-Maleficent and Possessed!Riku in Kingdom Hearts.
- Kingdom Hearts: Chain of Memories has two of these. Vexen serves as this in Sora's story, in which he is the first Organization member to be rematched, and right in the middle of a Wham Episode; he is also the first to be killed off. In Reverse/Rebirth, this role is given to Zexion, despite being The Unfought in the Game Boy Advance version: he attempts to trap Riku in an illusion, only for this to backfire when Riku stops fighting with his inner darkness and finally embraces it; he is also the last Organization member in the game (but not the series) to be killed off.
- In Kingdom Hearts 3D, Sora has Xemnas, who appears to drop bombshells about the Organization's purpose and ends Sora's storyline but not the game. Riku has Xehanort's Heartless, and the teenage Xehanort. The last one is arguably more challenging than the final boss, who is fought after the villains' main plan is already stopped.
- Tales of Symphonia loves these. Not only does it have a bunch of them, it likes to spring them on you in groups: three climax bosses in a row, one of whom is all but unbeatable: Remiel, Kratos, Yggdrasill; two in a row: Pronyma, Yggdrasill; two in a row: Kratos, Origin.
- Thankfully with the first set, winning to boss 2 is optional (all you miss is a ton of experience) and you can't beat boss 3.
- Unfortunately, battle 3 of the first set can be a case of kicking you while you're down because it occurs regardless of whether or not you win the fight before it, and if you lose the one before it, you start this fight off with only 1 HP.
- Thankfully with the first set, winning to boss 2 is optional (all you miss is a ton of experience) and you can't beat boss 3.
- Breath of Fire 3 had Garr, the Dragon-slayer at the end of Angel Tower, and the Dragon Elder much later in the game.
- Mario & Luigi: Superstar Saga has Cackletta's first fight.
- The Black Knight/General Zelgius from Path of Radiance and Radiant Dawn.
- Dhoulmagus in Dragon Quest VIII, and later Marcello.
- Jenova:LIFE in Final Fantasy VII could be seen as one, even though the fight itself isn't too difficult.
- However, Hojo at the end of Disc 2 would fit the description most accurately, being late in the plot, being an Act Boss, and also giving his own revelation before going into battle.
- Both of the first actual confrontations against Exdeath in Final Fantasy V. Also unique that both of them have a unique battle theme.
- The battle against Luca Blight in Suikoden II embodies this trope, especially since you have to beat him three times in succession.
- Duel him with the Hero afterwards.
- Both battles with Edea in Final Fantasy VIII, and later the battle with Adel.
- Garland AND Kuja in Final Fantasy IX.
- The first battle with Primarch Dysley/Barthandelus in Final Fantasy XIII fits this trope perfectly.
- Each boss battle with the Big Bad Smithy's weapon based minions in Super Mario RPG: Legend of the Seven Stars. Also, Punchinello for being a stand-in to the weapon fight.
- Hrist Valkyrie and Odin in Valkyrie Profile 2 Silmeria.
- Tales of Destiny has Lydon.
- Tales of Vesperia has Barbos for the end of Part 1 and Alexei for the end of Part 2.
- Tales of Legendia has Vaclav.
- Tales of Symphonia: Dawn of the New World has Commander Brute, the apparent leader of the Vanguard and Marta's father.
- Tales of the Abyss has Van. This is a false ending.
- Tales of Graces continues the tradition with Emeraude, who is both this and That One Boss.
- In Tales of Xillia, it's Gaius, who's also an Open Ended Boss Battle.
- Miguel, FATE, and the Dragon God in Chrono Cross.
- Magus in Chrono Trigger.
- Asmodeus in Star Ocean 1.
- Mother in Wild ARMS 1, and Ziekfried in Wild ARMs 3.
- Shadow Mitsuo, the boss of Void Quest in Persona 4. Both in gameplay because he tends to be a brick wall for many players, and in story because the Investigation Team thinks his arrest will bring the end of the kidnappings. It doesn't.
- After this one, there's the bigger climax boss, Kunino-Sagiri, or as he could also be called, Shadow Namatame. He has kidnapped your little cousin in an attempt to save her (or so he thinks), and at this point in time he is supposed to be considered the true killer. He can end up being the final boss of the game if you go with the bad ending. And on top of all that, he's another stone wall for players.
- Spin-off Persona Q: Shadow of the Labyrinth has a minor version in the form of the Old Doll FOE, which counts as this for the third labyrinth. Early on in the dungeon, it's only visible on the map and cannot be actually encountered. Then, it ambushes the player in a cutscene, but you escape. Then comes the last floor before the real boss fight, where it chases you through most of the floor. It will catch you at least once, and successfully trapping it is very much like a climax for that floor, though neither it nor the dungeon are other
- Isolde in Mana Khemia Alchemists Of Alrevis. Combined with the awesome song Nefertiti, it's easily one of the best boss battles in the game. And you battle her twice!!
- Selvaria in Valkyria Chronicles, who stands at the top of a fortress and will rain bullets down upon any fool who's in the open long enough with a BFG. The strategy to defeat her is long and involved and can easily take several retries if you're not careful.
- Selvaria again in Valkyria Chronicles III, because The Nameless is supposed to assassinate Prince Maximilian. Turns out she's the reason why nobody else tried doing this! And then things goes downhill from there, with The Nameless branded as traitors and Gusurg missing, only to turn out to have switched sides.
- The Legend of Dragoon had roughly one per disc. Disc 1 had Feyrbrand and Graham and Freugal (second time), Disc 2 had Lenus (first time) and Disc 3 had the Divine Dragon. Freugal and Divine Dragon were variations in that a lengthy amount of plot was developed after defeating them that had nothing to do with the bosses themselves. In addition, the final bosses to the first three discs usually had a large plot bomb dropped on the player either before or after the fight.
- Staying true to the Final Fantasy tradition of making sweet, sweet love with this trope, Final Fantasy XI has several of these.
- In the Rise of the Zilart expansion, Kam'lanaut in the Stellar Fulcrum.
- In the Chains of Promathia expansion, Tenzen on the airship. Omega and Ultima Weapons may count as well.
- In the Treasures of Aht Urhgan expansion, Gessho in Talacca Cove.
- Though not yet finished, the Climax Boss of the Wings of the Goddess expansion seems to be Cait Sith Ceithir. But considering the bombs they love to drop in every set of missions, the final fight of every mission set seems to be a Climax Boss.
- Final Fantasy XIII continues the tradition proudly with Barthandelus, the true fal'Cie form of Primarch Galenth Dysley.
- In the second, third, and fourth generations of Pokémon, the fights against the leader of the local crime syndicate typically take place immediately before battling the eighth Gym Leader and put an end to the main conflict of the story. In the third and fourth generations, the battle against the game's flagship legendary also takes place in the same scenario. The first generation mixes it up as Giovanni, the Big Bad, is the eighth Gym Leader. The fifth generation abandons this formula completely; the leader, Ghetsis, IS the Final Boss. Instead, the last Gym Leader acts as a Climax Boss, what with the coolness of the Gym and the difficulty of the fight.
- The Eighth Gym Leaders in each game usually qualify, especially considering how much time you're going to have to spend Level Grinding between beating them and tackling the Elite Four. Giovanni is probably the best example from a story perspective, and Claire is probably the best example in terms of difficulty.
- Pokémon Ruby, Sapphire, and Emerald have another Climax Boss: Norman, the fifth Gym Leader, and the player's father. Despite the fact that his Gym is closest to home, he refuses to fight you until you beat the other four Gym Leaders. During the entire first half of the game, growing strong enough to challenge Norman is the player's primary goal. Beating him allows the player to use the Surf TM, unlocking the right half of the Hoenn region. Surpassing your father is what really gets you noticed by various NPCs. And Norman represents a massive spike in difficulty compared to the other Gym Leaders. The remakes makes this even more apparent by adding particular focus on Norman's battle and its aftermath, wherein he sees you off as you and Wally set out for the other half of Hoenn and he even smiles at how proud he is at you surpassing him.
- Radiata Stories features a branching storyline that ultimately sees the main character on one side or the other of a war. Each side has Jack visiting the Fire Dragon's volcano approximately 3/4 of the way through the game, though; in the Human Path Jack attacks and slays the Fire Dragon, while in the Fairy Path Jack tries to prevent the Fire Dragon's death, fails, and engages in a Hopeless Boss Fight against Cross.
- Dread Joker in Megaman Starforce 3, arguably. The fights against Jack Corvus and Queen Virgo inside Meteor G could also count, though they're both directly before the Final Boss.
- Skies of Arcadia features quite a few. There are two Hopeless Boss Fights against Ramirez, and the fight against Galcian's fleet and Galcian himself near the end. The fights against the Gigas and the other Admirals, whether in their ships or in hand-to-hand combat could count.
- AdventureQuest Worlds gives us the Lords of Chaos, who are all Climax Bosses save for Discordia (who wasn't really a Chaos Lord) and Kimberly (other than the health bars which players on all servers worked to get their health bars down to 0 during the One-Eyed Doll Live Event, although Kimberly had the ability to heal the health bar a few times). There's also quite a few non-Chaos Lord bosses that have special challenges for fighting them.
- Escherion: While the Staff of Inversion is alive, Escherion does not take any damage.
- Vath: If you attack Vath first, Stalagbite will stomp the whole party to death for massive damage. If you attack Stalagbite first, your damage is significantly reduced when attacking Vath.
- Kitsune: He'll shapeshift into a giant Kitsune that's immune to your attacks for a while. Wait until he reverts back to normal to continue damaging him.
- Wolfwing: He'll heal himself up to five times per fight, and once his HP drops below 10,000, that's where he starts going berserk.
- French Horned Toadragon: Every once in a while, the toad will use an attack that petrifies as many players as it wants for at least two attacks.
- Ledgermayne: Every once in a while, it will stop to charge up a powerful attack. Enter the glowing safe zones that open up when this happens to avoid damage. The safe zones will heal you when you're in them.
- Tibicenas: He'll steal HP from as much players as possible up to eight times per fight. When his HP hits below 5,500 and he heals for the sixth time, that's where he goes berserk.
- Ultra-Tibicenas: Same as Tibicenas, except he steals HP more often, goes berserk when his HP hits below 20,000, and, worse yet, petrifies you every once in a while.
- Baron Luca: As an Expy of Dracula from Castlevania, he, at half-health, turns into his demonic bat form, just like Dracula himself, which deals a bit more damage than his first form.
- Moganth, Udaroth, Cellot, Zellare , & Desoloth: Same as Ledgermayne, except the damage of their charged attacks is lower and only does about 500-700 damage, and you don't have to enter any glowing safe zones to avoid the attack.
- Gruaige Baas: She'll petrify you for a few seconds with a laser attack every once in a while, plus, also every once in a while, except later, she charges powerful attacks and hits for about 500-600 damage.
- Khasaanda: She can sometimes lock your skills for a few minutes when you use them, plus she can forsee all attacks every once in a while and counter them with the same amount of damage you would've dealt to her for a few seconds.
- Iadoa: Can freeze you in time for several seconds, cannot be stunned, and unless you have either the Chaotic Hourglass or the Dragonoid of Hours in your inventory, he can do a powerful Astral Shift attack that does massive amounts of damage.
- Chaos Manticore: He can poison you, which does Damage Over Time that gets worse as the fight goes on unless cleansed with the water of the waterfall in the arena, and once you cleanse the poison, you cannot access the waterfall again for about 60 seconds.
- Lionfang: Has a Damage Over Time effect similar to that of his Beast, only there's no way to cleanse the effect. In addition, his Essence Draining attack puts the stun on you for several seconds and cuts your damage and healing in half.
- Mega Man Battle Network 6. Colonel, MegaMan's former ally in the previous game, who MegaMan refuses to fight throughout the game until he realizes that words cannot get through to him. Among his new attacks is a finishing move that is used once your HP reaches a certain point. If it connects, you are instantly killed unless MegaMan is equipped with Under Shirt.
- Marquess Darin of Laus and Sonia Reed in Fire Emblem: The Blazing Sword. The latter is, bizarrely, completely optional.
- Fire Emblem: The Sacred Stones has: Tirado, Carlyle (Eirika's route), Vigarde (Ephraim's), Orson, and Lyon.
- Fire Emblem Awakening has three, each accompanied by a common boss battle theme: Gangrel at the end of the first act, Walhart at the end of the second act, and Validar just a few chapters before the end of the game.
- The Arishok at the end of Act II in Dragon Age II. This victory earns Hawke the title of "Champion". This in turn makes Hawke the most important person in Kirkwall, which forces Hawke to take sides in the Mage-Templar conflict in Act III.
- Final Fantasy Tactics has these at the end (or near the end) of each Act:
- Act I: Algus. Ramza figures out that his brothers are dicks.
- Act II: Cardinal Draclau/Queklainn. Oh my Ajora, the Lucavi are real!
- Act III has two, back to back.
- Wiegraf /Velius. The Dark Side Made Him Forget why he's fighting Ramza in the first place.
- Marquis Elmdore and his bodyguards, Celia and Lettie. Alma is to be the vessel of Ultima.
- Act IV: Dycedarg, your elder brother/Adrammelech. This is the end of Beoulve family.
- Baten Kaitos seems to have an affinity for these: the first game has Geldoblame, Kalas, and the final fight with Giacomo, Ayme, and Folon; the second game has Guillo, Shananth, and Wiseman, though the last of those is actually hidden away in a sidequest.
- Ornstein and Smough from Dark Souls. Epic music, extremely challenging, and takes place in a huge and grand hall. Defeating the pair is the final test before receiving your next major task after ringing the Bells of Awakening.
- Maia Ouroboros in Shin Megami Tensei: Strange Journey is built up as the last demon in your way of escape and is also the first major boss after the Tyrants. She is also a massive step up in difficulty after the already tough Asura and must be fought twice. If you follow the Law or Chaos routes, there is also Commander Gore. He is regarded as one of the hardest bosses in the entire game, and will restore half of his full HP when you first get it down to 0. Luckily, if you go Neutral, then this fight is avoided, as you are fighting for the good of humankind. On Neutral, the Climax Boss is Zelenin, your brainwashed former ally who guards two of the Mac Guffins necessary to save the world.
- Uriel and Raphael, Michael, and the fake YHVH in Shin Megami Tensei II. They're all fought sequentially, mark the game's first major climax (these are the ones responsible for everything wrong up to this point, and even get new boss music. After beating them, however, more plot twists emerge and new villains (namely Lucifer, Satan, and the real YHVH) are revealed.
- The Moirae Sisters take this role in Shin Megami Tensei: Nocturne as the guards of Yuko Takao, who the Demi-Fiend has been looking for since the Conception started. Later, Girimehkala and Sakahagi act as the second Climax Boss fight, with Sakahagi being built up as a great evil power that has to be stopped.
- In Shin Megami Tensei IV, depending on if you sided with Jonathan or Walter, the Climax Boss is either Lilith or Yamato-Takeru. Lilith has been dogging you since near the beginning of the game, while Yamato-Takeru works for Tayama, the most loathsome character in the setting; the two of them had been the main villains of the game up to this point, and winning this battle resolves their arcs and makes way for the real bad guys, namely the White, Merkabah, and Lucifer.
- Shining the Holy Ark has you fight Rilix after you learn that the King is nothing but a puppet and that she plans to revive the thousand year kingdom. Oh, and she plans to kill you.
- Xenoblade Chronicles: Egil, the leader of the Mechon. Then later the Disciples of Zanza.
- In EarthBound, most of the problems in the Eagleland section (Onett to Fourside) was caused by the Mani Mani Statue sent by Giygas. The statue manipulated six people directly and large crowds though them and is finally confronted by Ness and Jeff in an illusion world it created. It's not a defenseless statue, though, and fights back. Destroying it lets everyone in Fourside manipulated by it go back to normal. Except for Pokey/Porky.
- Mass Effect 1 allows you to come face-to-face with Saren on Virmire, right after you learn the true nature of Sovereign, the starship he's been using to wreak havoc around the galaxy and brainwash people to his will, along with its goals. He possesses powers from all three of the skill trees available in the game and is an example of Heads I Win, Tails You Lose, considering that no matter how much damage you do him he gets away scot-free, leaving you to make a Sadistic Choice on whether to save Kaidan or Ashley when you destroy his base.
- Mass Effect 2 has the mission on the abandoned Collector ship featuring that game's Big Bad, Harbinger, whom you never directly confront but rather have to defeat his multiple drones which he can Villain Override. This isn't your first time confronting such an avatar, but that occasion falls under Wake-Up Call Boss. This is right after you learn that his plan for an Alien Abduction is considerably larger in scale than believed, and that the Collectors are all that's left of the Protheans.
- Mass Effect 3's closest equivalent is the fight on Thessia, where the underpinnings of the Asari culture are totally undermined, Kai Leng steals the secret of the McGuffin that you've been trying to construct in order to have any chance of winning or surviving the war with the Reapers, and like in Mass Effect 1, is another Heads I Win, Tails You Lose.
- Templar Octienne, the Balor, and Gadflow in Kingdoms Of Amalur Reckoning.
- Cordelia's dragon form in Child of Light, which happens shortly after a huge revelation ( Nox's betrayal) in the game. Her battle music is also different from the normal boss music.
- All of the trophy bouts in Fleuret Blanc. They always occur at the end of a day and are thus usually in the proximity of an important plot event, and it's (usually) the first time you're able to bout a member. (In the case of Masque, it's also their first appearance.) Gameplay-wise, both Florentine and her opponent have twice as many Hit Points as they do in normal bouts, making the fight longer and more intense.
- A Very Long Rope to the Top of the Sky has multiple. Archbishop Gebhart and the Judgment are particularly notable, as they mark the end of the childhood arc. The third fight against Rutger also counts, as it involves taking down a long-term villain who presents a major threat to the world. Oliver, fought during the liberation of Avishun, may also count. He isn't a major villain and the battle doesn't coincide with as important a plot event as the other two examples, but it is fairly important (and difficult). All of these get special Battle Theme Music, too.
Shoot 'em Up
- Alltynex from Siter Skain Kamui is probably the games most important bossfight.
- Raiwat Virgo from the sequal RefleX might count aswell.
- Dread Bomber in Raiden II is the last boss before you go into space, has four forms, and is considerably harder than previous bosses.
- The penultimate boss of Einhänder, Schwarzitgiest. After defeating the boss leads to the game's Wham Episode.
Stealth Based Game
- The Hind-D gunship, piloted by the Big Bad, in the original Metal Gear Solid.
- Assassins Creed II has the first fight with Rodrigo Borgia. Especially once the other Assassins arrive.
- Assassins Creed III has Connor against his father Haytham, mainly since he's a far more effective swordsman than any other enemy in the game and requires a specific move to beat him. He actually feels more like a final boss than the actual final boss.
- Father Dagon from Call of Cthulhu: Dark Corners of the Earth.
- Fossil Fighters does this twice, first with a showdown of Olympus Mons, then against the leader of an alien race of dinosaur people before even learning about the Final Boss.
- Galaxy Angel — the first fight with Noa in the Black Moon's core.
- The Grand Zamboa in Third Super Robot Wars Z: Jigoku-hen because the Anti-Spiral was pretty much the General in charge of this "battalion" of the Ba'al with something like half the villainous series used under his authority. The entire original story practically surrounded what he was doing in the background.In a lot of ways, he was kind of like what the Aerogators were to the entire Balmar Empire in the Alpha series. Everything in the story was leading up to the encounter with the Anti-Spiral.
Third Person Shooter
- The Lupino Showdown from the original Max Payne, which has Max fighting roughly thirteen mooks that swarm in one after another after him before Jack Lupino himself makes his entrance with two of his personal guard and a sawed-off shotgun. He's also hopped up on drugs and completely insane.
- Sin and Punishment has the battle against Kachua, which actually shares its battle theme with the final boss, and where Saki first transforms into a monster.
- The second has the fight at the end of Stage 6, a lengthy, 3-stage ordeal, ending in a hand-to-hand fight, and ultimately resulting in one of the characters being knocked out, and the other transforming into a monster in order to storm the final level.
- Skorge in Gears of War 2.
- Starfox 64 has the Star Wolf fight on Fortuna/Fichina. The other two fights are fought too late to be considered this.
Non-video game examples:
Anime and Manga
- In Hollow Fields, Summer Polanski serves this role with her Death Trap. After two volumes of tormenting Lucy Snow and indirectly threatening her with detention, she makes the decision to go all the way and outright attempt to kill her. Escaping this situation requires Lucy to use the skills she learned up to this point, as well as team up with Claude and act on the fly. She then goes on to confront the Big Bad in Volume 3.
- In Kill la Kill, Nui Harime is first fought immediately after revealing that she was Isshin's killer.