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16A climactic, plot-important BossBattle, usually occurring after a major revelation in the plot (e.g., about 2/3 into the game). Naturally, this means higher stakes and a more dramatic tone than your regular boss fight. The boss in question is also likely to be a major figure in the overall plot or a personal enemy of one of the main characters instead of some sort of one-scene monster. If you suddenly start hearing BattleThemeMusic that's not the usual one used for boss battles and you know you're not even close to the FinalBoss, then you're definitely dealing with one of these.
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18Note that to qualify for this trope, the boss must be at least somewhat of a challenge; if they're a complete pushover, that's AntiClimaxBoss. However, the boss fight does not have to be overly difficult, and a [[ThatOneBoss particularly difficult boss fight]] does not qualify as a Climax Boss unless it comes at a climactic point in the plot. {{Final Boss}}es also do not qualify, nor do bosses fought very close to the Final Boss (unless said boss was a constant presence throughout the story, meaning that you're finally getting some payoff for all that buildup); ideally a Climax Boss would take place somewhere around the two-thirds or three-quarters mark, not nine-tenths.
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20See PreFinalBoss for bosses that come right before the final boss, WakeUpCallBoss for the first hard boss fight early in the game and HopelessBossFight when there is ''no way in hell'' the boss will be beaten just because of plot. Also differs from a DiscOneFinalBoss in that the Climax Boss is not presented as the final boss despite being more dramatic than the usual boss.
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22Not to be confused with PivotalBoss, which is a boss that the battle literally pivots around, like a wheel and its axle. Contrast AntiClimaxBoss, ThatOneBoss, FinalBoss. Inversion is TheUnfought, where this kind of battle is set up, but never happens. [[AccidentalInnuendo It isn't usually required]] to beat them in OrgasmicCombat.
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25!!Examples
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27[[foldercontrol]]
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29[[folder:Action Adventure Game]]
30* ''VideoGame/BatmanArkhamKnight'' has the Arkham Knight fighting you in an [[ThisIsADrill excavator]] and then the stealth duel with him immediately after. It's also the only classic "hit their weakpoint three times" boss in the game.
31* Most Metroidvania-type ''Franchise/{{Castlevania}}'' games tend to have one or two. The vast majority become {{Final Boss}}es if on the path to a bad ending:
32** ''VideoGame/CastlevaniaSymphonyOfTheNight'' has [[spoiler: [[RogueProtagonist Richter Belmont.]]]]
33** ''VideoGame/CastlevaniaAriaOfSorrow'' has [[spoiler:Julius Belmont, who has just learned Soma's real identity.]]
34** ''VideoGame/CastlevaniaDawnOfSorrow'' has the second battle with [[PlayingWithFire Dario Bossi, as well as Aguni]] if a certain soul is used.
35** ''VideoGame/CastlevaniaPortraitOfRuin'' has the second battle with [[DualBoss Stella and Loretta.]]
36** ''VideoGame/CastlevaniaOrderOfEcclesia'' has two: [[spoiler: [[DemonicPossession Albus]] and, if on the path to the good ending, [[EvilMentor Barlowe.]]]]
37* ''VideoGame/CaveStory'': 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 PlayerPunch and a fork in the road.
38* ''VideoGame/DevilMayCry'':
39** ''VideoGame/DevilMayCry1'' has the final fight with Nelo Angelo, occurring at the end of Mission 17 of 23 (concluding the third quarter of the game), and followed up by two massive plot twists one after another: [[spoiler:[[LukeIAmYourFather Nelo Angelo is Dante's twin brother Vergil]], and [[EvilAllAlong Trish is working for Mundus]]]].
40** ''VideoGame/DevilMayCry3DantesAwakening'' has the second battle with Vergil, [[spoiler:where Arkham makes his move to acquire Sparda's power. Lady's part in the scheme is uncovered and the tower that was the site of all the game till this point is changed drastically.]]
41** ''VideoGame/DevilMayCry4'' uses the first fight with Sanctus. [[spoiler:Nero turns out to be a descendant of Sparda whose blood is used to power the Savior, Nero's sworn brother Credo is killed, and with Nero out of commission Dante steps up as the player character.]]
42** ''VideoGame/DevilMayCry5'' has the final battle with Urizen. [[spoiler:V makes his play to reunite with Urizen and rebecomes Vergil. After the battle Dante gives Nero the biggest reveal yet, that he is his father.]]
43* ''VideoGame/HollowKnight'', open-ended game that it is, has several options.
44** Soul Master comes at the end of the City of Tears' story, guards the Desolate Dive spell, and is a major lore figure.
45** For the general game (you dont have to fight the others, but you ''do'' have to do these fights), there's the choice of the Broken Vessel, Uumuu, or the Watcher Knights (the first guards the Monarch Wings, the others guard Dreamers), whichever you want to fight first. Killing one of these and getting to what they're guarding (killing a Dreamer or finding the Monarch Wings) triggers a major status quo change as the Infection will leak out of the Black Egg Temple and transform the Forgotten Crossroads into the Infecteed Crossroads. Uumuu's charge Monomon serves as the climax of Quirrel's story, while the Broken Vessel's existence has serious implications as [[spoiler: another member of the Knight's species]].
46** If you're going for the ''Dream No More'' ending, the climax boss is Hornet's second boss fight, Hornet Sentinel (Her first fight, Hornet Protector, is more a WakeUpCallBoss). She guards the Kingsbrand needed to reach the bottom of the Abyss [[spoiler: and learn the Knight's past]], and there are no bosses between her and the back-to-back FinalBoss and TrueFinalBoss- just platforming challenges.
47* ''VideoGame/KidIcarusUprising'': Some of the arcs' [[FinalBoss Final Bossess]] stands out as a ClimaxBoss for the entire game.
48** The first arc has Medusa, the original game's BigBad in a RoaringRampageOfRevenge against the heroes after 25 real-life years. Her defeat only concludes the ''first third'' of the game, as Hades reveals himself as the BigBad and the true leader of the Underworld.
49** The Aurum arc has Aurum Pyrrhon, a fusion between Pyhrron and the Aurum Brain — the latter of which is the HiveQueen of the Aurum empowered by Pyrrhon himself after taking control over his mind. Its defeat leads to the game's WhamEpisode where there is a 3-year TimeSkip and everything gets fucked up [[spoiler:courtesy of the Chaos Kin]].
50** The Chaos Kin arc has the Chaos Kin itself causing arguably the most trouble in the game, even ''more'' so than Hades himself! The Kin's defeat leads to another sole chapter where Dark Pit revives Pit before the latter faces the Lord of the Underworld.
51* ''Franchise/TheLegendOfZelda'':
52** ''VideoGame/TheLegendOfZeldaALinkToThePast'': The wizard Agahnim is fought after retrieving the three Pendants of Virtue and the Master Sword. Link [[HijackedByGanon only]] ''[[HijackedByGanon thought]]'' [[HijackedByGanon he was the]] BigBad, and after defeating him, is transported to the DarkWorld to rescue the seven maidens.
53** ''VideoGame/TheLegendOfZeldaOcarinaOfTime'': Phantom Ganon and Twinrova fill this role in different capacities. They are typically the first and last adult bosses respectively. Phantom Ganon's second phase is a preview of the fight with Ganondorf, and he contacts you at the end of the fight to taunt you. Twinrova are CoDragons to Ganondorf, and are more active before their fight than any other boss.
54** ''[[VideoGame/TheLegendOfZeldaOracleGames The Legend of Zelda: Oracle of Ages]]'': You fight Veran-possessed Nayru 3/4 of the way through the game. [[spoiler:Veran then possesses Queen Ambi and continues her EvilPlan to build the Black Tower to the heavens.]]
55** ''VideoGame/TheLegendOfZeldaTheWindWaker'': Helmaroc King. 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 [[BigBad Ganondorf's]] second-in-command.
56** ''VideoGame/TheLegendOfZeldaTwilightPrincess'': Zant is only the penultimate boss in the game, as he confesses after his defeat that Ganondorf is back in the Light World and ready to take over Hyrule. He's also a FinalExamBoss ending with a crazed and desperate finale.
57** ''VideoGame/TheLegendOfZeldaPhantomHourglass'': The Diabolical Cubus Sisters are this, being faced inside the Ghost Ship (which technically acts as TheHeavy of the game, next to BigBad Bellum). Upon its defeat, Link sees Tetra completely petrified and learns of the game's BigBad, the ancient squid-like demon Bellum.
58** ''VideoGame/TheLegendOfZeldaSpiritTracks'': The game has the fight with [[TheDragon Byrne]] at the top of the Tower of Spirits, [[https://www.youtube.com/watch?v=8aytSMb0xVo unique boss theme]] and all. He's fought at the top of the Tower of Spirits, just before [[spoiler:Malladus finally possesses Zelda's body]].
59** ''VideoGame/TheLegendOfZeldaSkywardSword'' has two such bosses:
60*** The first two battles with [[NamesToRunAwayFrom/TheAdjectiveOne The Imprisoned]]. It is a nameless threat that has been looming over Link and haunting his dreams from the very start, and battles with it close the first and second acts of the game. It's later fought a third time, but by that point the old woman watching over it makes it already clear that every resealing is only temporary and it will keep growing more and more powerful (and the third fight occurs not too long after the second, which also confirms her fears that the seals also last shorter every time). [[spoiler:It becomes the FinalBoss Demise after [[SoulEating devouring Zelda's soul]] in the past era.]]
61*** The last of the three fights against Ghirahim. He was active in impeding Link's progress and trying to kidnap Zelda, and his final, [[VillainousBreakdown desperate]] fight is the last thing you need to do before facing off once and for all against the real BigBad.
62** ''VideoGame/TheLegendOfZeldaALinkBetweenWorlds'': Yuga, 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.
63** ''VideoGame/TheLegendOfZeldaTearsOfTheKingdom'' has [[spoiler:Phantom Ganon, who is revealed to have fooled (and put into danger) many people across the land of Hyrule in his Princess Zelda persona]] on behalf of his evil creator, and attempts to lure Link into several enemy ambushes in different parts of Hyrule Castle after the four temple dungeons are conquered (and thus the evil character's actions are undone). After realizing that Link won't succumb to his traps so easily, he confronts him directly in the castle's throne room (and unlike [[spoiler:his weaker boss appearances upon the defeats of Gloom Hands in the overworld]], here he challenges Link in a proper dungeon boss fight, being considerably more difficult to defeat as a result). After Link wins the battle, he and the Sages he helped along the way have a blunt communication with BigBad Ganondorf, thus foreshadowing a grueling fight against him in the near future.
64* In the ''Franchise/{{Metroid}}'' series, [[ArchNemesis Ridley]] often plays this role as the second- or third-to-last to last major boss fought, as he often guards the way to the FinalBoss and is equally often ThatOneBoss in any given game:
65** ''VideoGame/MetroidZeroMission'': In contrast to [[VideoGame/Metroid1 the original]], Ridley is treated as the climax boss before Mother Brain, after several added cutscenes heralding his impending boss fight. The original ''Metroid'' had very little plot to speak of and both Ridley and Kraid were given equal importance as the bosses that had to be killed to access the final boss.
66** ''VideoGame/MetroidSamusReturns'': The Metroid Queen is [[DegradedBoss demoted to this]], unlike in the original ''[[VideoGame/MetroidIIReturnOfSamus Metroid II]]'' where she was the FinalBoss. In this remake, she's still a major threat due to being the progenitor of the Metroids, and the elaborate SequentialBoss fight against her reflects the urgency to slay her. But after Samus wins the fight and peacefully takes the last Metroid alive with her, the real FinalBoss awaits in the surface: [[spoiler:Proteus Ridley, who plans to seize the Metroid. Indeed, unlike in his other appearances in the series, Ridley inverts the roles]].
67** ''VideoGame/MetroidPrime'': Ridley again, as Samus first goes to the planet the game takes place on chasing him, tracks him throughout the game, and finally battles him right before going to the final boss' area.
68** ''VideoGame/MetroidPrime3Corruption'': Ridley once more, who again appears early on — this time as a boss battle — and later acts as [[spoiler:the final Leviathan guardian fought before Samus and the Federation take the battle to Phazon's origin on Phaaze]].
69** ''VideoGame/SuperMetroid'': Ridley once more! This time he sets the entire plot into motion by stealing the last Metroid at the beginning of the game, but when Samus finally catches up to him and defeats him, [[spoiler:the Metroid has escaped containment, setting up the last leg of the story]].
70** ''VideoGame/MetroidFusion'': The game breaks with tradition by having Nightmare act as the climax boss; it's foreshadowed in the background several times before it's fought, and its very existence foreshadows [[spoiler:that the research on the BSL station involves biological weapons]].
71* The "White Assassin" in ''VideoGame/MirrorsEdge'' is actually the only actual boss fight in the game. The after-fight cutscene also makes it the [[WhamEpisode Wham Level]].
72* ''VideoGame/NiGHTSJourneyOfDreams'': In Will's story, Reala fights [=NiGHTS=] after revealing the latter was actually [[NobleDemon a Nightmaren]] all along.
73* ''VideoGame/{{Okami}}'' has two Climax Bosses: {{Orochi}} and [[EvilCounterpart Ninetails]]. Both bring a new revelation: [[spoiler:Orochi's death causes all the other bosses to be let loose upon the world, and Ninetails reveals the existence of [[UnseenEvil Yami.]]]]
74* ''VideoGame/SpiderMan2000'' features Venom emerging in the introduction cutscene, and the eventual conflict between him and Spidey is built up all throughout the game. His second and final fight [[spoiler:which is a TimedMission since he has captured Mary Jane]] marks the point where the last third of the game begins.
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78* The final battle with the Blood Ark in ''VideoGame/AnotherCenturysEpisode 3'', at the end of the middle stage of the game. While it is a battle against the FinalBoss 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 [[VillainForgotToLevelGrind the villain is using the same mech he had at the beginning]]. The climax comes from the removal of his unusually obscuring mask which averts PaperThinDisguise.
79* Several in ''VideoGame/AsurasWrath''. 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 [[spoiler:Wrath Asura]] are probably the best examples.
80* Darth Vader in ''VideoGame/TheForceUnleashed''. In the Wii/[=PS2=] version, the second duel with [[spoiler:Kento Marek, aka Galen's father]] may count as well. And for the DLC, [[spoiler:OBI-WAN KENOBI AND LUKE SKYWALKER!]]
81* The fourth and final battle with [[MirrorBoss Prince Vorkken]] in ''VideoGame/TheWonderful101''. He turns out to be the one at the last Super Reactor, [[spoiler:and he even killed the Geathjerk officer that ''would'' have attacked the Super Reactor offscreen, showing that he's no longer fully loyal to anyone anymore]]. He is fought right after Immorta gives his backstory, and right before TheDragon Gimme is introduced, two major turning points in the game that mark its CerebusSyndrome.
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85* ''VideoGame/FireEmblemWarriorsThreeHopes'': Chapter 10 of Scarlet Blaze and Golden Wildfire, and Chapter 12 of Azure Gleam all feature a third encounter with Shez's rival Byleth, the RogueProtagonist from ''VideoGame/FireEmblemThreeHouses''. [[spoiler:Unlike most examples of this trope, while Byleth is an exceptionally powerful and fearsome foe, they're not the boss of the chapter -- your intended target is the person who hired them, and fighting your way ''around'' Byleth to reach your target is anything but straightforward.]]
86* ''VideoGame/GodOfWar'':
87** Subverted in [[VideoGame/GodOfWarI the original game]]. Not only were there not a lot of actual boss fights (plenty of [[KingMook big mooks]] though), but [[strike:most of them]] every last one of them except [[FinalBoss Ares]] [[GiantSpaceFleaFromNowhere seemed to just randomly appear out of nowhere]].
88** In ''VideoGame/GodOfWarII'', Lakhesis and/or Atrophos, two of the Sisters of Fate. (Clotho, the third sister, is more of a PuzzleBoss.)
89** Subverted in ''VideoGame/GodOfWarIII'', where the real turning point of the game's plot ([[spoiler:finding and freeing Pandora]]) isn't done with a boss fight at all, but a puzzle. [[BizarrePuzzleGame Seems to be a common theme in this series.]] (Though some might suggest the rock scorpion would qualify as this trope.)
90* ''VideoGame/NinjaGaiden II'' (the original NES version) has a climax boss in Ashtar, who we initially believe is the BigBad 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 BigBad 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 FinalBoss music is used for both major battles.
91* The first ''VideoGame/{{Splatterhouse}}'' installment has [[spoiler:[[ShapeshifterGuiltTrip (Fake)]] [[TragicMonster Jennifer]]]]; it takes place during Stage 5 of 7, has a unique boss theme, and changes the ExcusePlot from a RoaringRampageOfRescue to a RoaringRampageOfRevenge.
92* ''VideoGame/StreetsOfRage 4'' has two distinct cases:
93** At the end of Stage 7, the heroes fight Estel a second time, due to her continued insistence on arresting the heroes for breaking the law. After the fight, [[spoiler:Mr. Y, one of the two leaders of the Y Syndicate alongside his sister Ms. Y, orders the two officers beside him to open fire with bazookas on the train the fight was taking place on, against Estel's protests as doing so would kill civilians on the train. After this point, Estel finally realizes the heroes were right about the Syndicate being dangerous and assists them the next time she sees them.]]
94** Stage 10 has the heroes defeating DJ K Washi in order to prevent him from [[spoiler:playing a concert of MindControlMusic that would've been broadcast to the entire city]], a plot that they had uncovered several stages prior. But that's not the end of the game yet as they still need to track down and stop the Y siblings, [[spoiler:which takes another two stages]].
95* The first Shredder fight in ''[[VideoGame/TeenageMutantNinjaTurtlesTurtlesInTime Teenage Mutant Ninja Turtles IV: Turtles in Time]]''. Once he's defeated, the actual time-travel part of the game begins.
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99* Lazarus Malkoth in ''VideoGame/DarkWatch'' is a rare example where the BigBad qualifies as this trope instead of being the final confrontation. He is fought at the start of the story's final act when the main protagonist's lover Tala turned traitor and allowed his forces to invade the Darkwatch citadel.
100* ''VideoGame/{{Doom}}'': The Cyberdemon is the boss of the second episode out of three. It was even featured on the sequel's cover!
101* ''VideoGame/DoomEternal'': The Khan Maykr is fought in the mission straight after Nekravol, [[spoiler:which reveals the secrets of the Argent Energy she's been manufacturing]]. The very next mission after her fight [[spoiler:is the FinalBoss, the Icon of Sin]].
102* Yuma in ''VideoGame/FarCry4'' provides the game's only proper boss fight.
103* ''Franchise/{{Halo}}'':
104** ''VideoGame/{{Halo 2}}'':
105*** The Prophet of Regret, unless you just jump on his chair and punch him in the face, then he's a textbook AntiClimaxBoss.
106*** The Heretic Leader is another example, although he's only the first boss, he's the hardest of the three, at least on Legendary.
107*** 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.
108** In ''VideoGame/Halo3'', the DualBoss against two Scarabs and the assault on the Citadel can count. On the other hand, Truth is hyped up to be this, [[spoiler:[[TheUnfought but he just gets killed by the Arbiter in a cutscene]]]].
109* ''VideoGame/ReturnToCastleWolfenstein'' has the Ubersoldat, the second boss who benefits from both plot placement and grandiose battle.
110* ''VideoGame/SeriousSam4'' has Lord Achriman, fought in the thirteenth level "Anathema Unto God". He may not be the FinalBoss, but Achriman is the BigBad of the game and the fight with him concludes both the France chapter and game-long search for the [[PublicDomainArtifact Holy Grail]], here an alien artifact that the Earth Defense Force wants to use against [[GreaterScopeVillain Mental]]'s forces. It is right after this fight that [[spoiler:General Brand reveals himself to be EvilAllAlong, that the Holy Grail is actually an ArtifactOfDoom, steals the artifact for himself and takes Sam captive as an offering to Mental]], kicking off the final conflict of the game in Russia.
111* ''VideoGame/{{Strife}}'' has The Programmer. Most of the game to this point had been preparing to [[DiscOneFinalDungeon storm his castle]]. During his fight, you are introduced to [[SwordOfPlotAdvancement The Sigil]] and spend the rest of the game collecting its components from his colleagues.
112* ''VideoGame/{{Ultrakill}}'' has The 1000-THR "Earthmover", a HumongousMecha that serves as the boss of Violence, the 7th out of the 9 Layers of Hell. The Earthmover is fought as an epic BattleshipRaid boss where [[ColossusClimb you scale on its titanic body]] while mowing down gauntlets of mooks in your way until you kill it from the inside by destroying [[ReactorBoss its brain]], followed by a thrilling escape sequence where you try to escape with your life while dealing with one more gauntlet before the Earthmover explodes. The Earthmover also has lore significance, [[spoiler:as shown by its lore entry implying that V1 was designed to counter it and its ilk by infiltrating them from the inside during the LensmanArmsRace, meaning they've fulfilled their purpose by killing it. A hidden book can also be found in an otherwise empty alleyway in the city sitting on its back whose texts are implied to be the thoughts of [[BigBad Hell itself]] where it [[VillainRespect praises V1 and the Earthmovers]] for causing great carnage and destruction in their wake, hoping that the latter killed off humanity.]]
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116* Several in ''VideoGame/CopyKitty'' due to the game's length being extended several times over its development, including the swordsman Arikan, the HumongousMecha Fortress Virs and Giga Dengrahx (all of whom were formerly the game's {{Final Boss}}es), and Yoggval, a RecurringBoss throughout the game who eventually gets taken over and powered up into a final battle as Phoenix Yoggval.
117* ''Franchise/{{Kirby}}''
118** ''VideoGame/KirbysAdventure'' has Meta Knight and King Dedede.
119*** The face off against Meta Knight is hyped up much earlier, as Kirby faces off his minions in MiniBoss fights, in addition to Meta Knight himself dropping Kirby a few Invincibility Pops seemingly as a means to test him. And sure enough, he's fought in one of the game's last levels (right before Rainbow Resort and the Fountain of Dreams), his fight is rather unique (it's a sword duel with Sword Kirby being mandatory), and the revelation that he is a member of Kirby's species.
120*** Kirby finally faces off King Dedede at the end of Rainbow Resort to obtain the last piece of the Star Rod. What succeeds afterwards is the revelation of the game's true BigBad: Nightmare.
121** Both King Dedede fights in ''VideoGame/KirbysDreamLand2'' and ''VideoGame/KirbysDreamLand3'', being {{Disc One Final Boss}}es fought close to the end of the game. If Kirby has enough pieces of a legendary weapon in each respective game, he gets to fight the true BigBad and FinalBoss: Dark Matter Blade in ''2'' and Zero in ''3''.
122** ''VideoGame/KirbySqueakSquad'' has the face-off against the game's BigBad, Daroach, causing all the problems in the story. Then, the chest that Daroach is guarding becomes very important in the story, as it contains the game's [[GreaterScopeVillain ultimate evil: Dark]] [[SealedEvilInACan Nebula]].
123** ''VideoGame/KirbysEpicYarn'':
124*** Capamari is the last of the bosses fought that is original to the game (besides BigBad Yin-Yarn), and it really shows when he is fought in ''two distinct phases''. The rest of the game has Kirby facing off his recurring adversaries (albeit brainwashed): King Dedede and Meta Knight, before facing off Yin-Yarn himself.
125*** Speaking of Meta Knight, he is the last boss faced in Patch Land before the planet is stitched together completely. ''However'', Yin-Yarn has completely taken over Dream Land at this point, as such Kirby and Prince Fluff must go there to finally stop him and save Kirby's homeworld.
126** ''VideoGame/KirbyMassAttack'': Skullord is TheDragon to Necrodeus, the last foe faced in Planet Popstar, and the cause of all the Skullys roaming around there. After the Kirbys defeat him, all the Skullys disappear, but the Kirbys must obtain all the Rainbow Medals to get to Necro Nebula and face off Necrodeus himself.
127** ''VideoGame/KirbysReturnToDreamLand'' also has two:
128*** The first gives us [[FeatheredFiend Grand Doomer]] serving as Planet Popstar's FinalBoss, whose defeat triggers the completion of the Lor Starcutter and the group arriving at Halcandra.
129*** The second gives us [[TheHeavy Landia]], Magolor's nemesis who is responsible for dismantling the Lor earlier in the game, and crashes it down when the heroes arrive at Halcandra. [[spoiler:''However'', Landia's defeat leads to the revelation that Magolor was using the heroes the '''entire time''' to seize the Master Crown so that he can bring forth his plan in taking over the universe]].
130* ''VideoGame/{{Klonoa}}''
131** ''Klonoa: Door to Phantomile'' and the Wii remake has Ghadius's [[TheDragon Dragon]], Joka/Joker. After dealing with him for the majority of the game, and witnessing him [[spoiler:murder his grandfather]], Klonoa's battle with Joka serves to signal the beginning of the endgame, opening the path to TheVeryDefinitelyFinalDungeon.
132** ''Klonoa: Lunatea's Veil'' has Cursed Leorina (Leorina transformed by the Power of Sorrow), also serving as the DiscOneFinalBoss. Defeating her reveals the existence of the true BigBad of the game, and allows Leorina to go through a HeelFaceTurn and join forces with the heroes.
133* ''Franchise/MegaMan'':
134** [[spoiler:X vs. Zero]] in ''VideoGame/MegaManX5''. 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'' ([[ExecutiveMeddling supposedly]]). The [[SugarWiki/AwesomeMusic awesome]] [[https://www.youtube.com/watch?v=_eFI0UFfAJE battle theme]] cements its status as one of the best battles in the ''X series'' (some say even the ''entire Mega Man'' continuity).
135** [[TheDragon Craft]] in ''VideoGame/MegaManZero4'' serves as this, as he's introduced as the leader of the [[QuirkyMinibossSquad Einherjar Eight Warriors]] in the beginning of the game, is fought at the midpoint and kidnaps Neige, then is fought as the penultimate boss [[spoiler:after becoming TheStarscream from Neige's words during her captivity and shooting [[BigBad Dr Weil]] with his own KillSat, while also killing millions of Neo Arcadian civilians in the process]].
136** [[CoDragons Prometheus and Pandora]] serve as this in the ''VideoGame/MegaManZX'' series, a unique example of a ''recurring'' Climax Boss. In the first game, Prometheus is fought after four of the eight Pseudoroids are defeated when he attacks and tries to destroy the Guardian HQ while challenging Vent/Aile to a match to see if they can join "the game". Pandora is fought after all the Pseudoroids are defeated and Vent/Aile enter [[EvilTaintedThePlace Area M]] to destroy [[ArtifactOfDoom Model W]], only for her to run interference for [[BigBad Serpent]] to get it to safety. Then they're [[DualBoss both fought]] in the penultimate mission, where they reveal Serpent is just an UnwittingPawn and there's [[TheManBehindTheMan someone else running things behind the scenes]]. In ''Advent'', [[DualBoss they]] are once more the penultimate bosses [[spoiler:where they reveal their [[{{Revenge}} reasons]] [[SuicidalCosmicTemperTantrum for betraying and killing Albert]] before [[BigBad Albert]] reveals he planned for this and awakens [[DoomsdayDevice Model W's ultimate form]]]].
137* Blinky (though for whatever reason the game addresses him as Clyde, who is actually the orange ghost) in ''VideoGame/PacManWorld2'' counts, being the final and most difficult member of the Ghost Gang confronted, employing a ClimacticVolcanoBackdrop, and having his own dramatic and unique BattleThemeMusic.
138* ''VideoGame/{{Rosenkreuzstilette}}'': Although the eight members of the Rosenkreuzstilette can be fought in any order after the prologue a la ''Franchise/MegaMan'', Freudia Neuwahl is clearly intended to be the last one that the player fights. The game's ElementalRockPaperScissors is structured in such a way that most players will fight her last and, unlike the other Rosenkreuzstilette, Freudia can't be killed by her weakness as it can only take down half of her health bar in a full use[[note]]Which is arguably a moot point anyway since most players will have used it up on her stage[[/note]]. Freudia also has a unique battle theme, is fought on a far larger stage, and doesn't [[TurnsRed change her tactics]] when brought to half health. From a story perspective, Freudia is encountered in the prologue as the game's WarmUpBoss and is the Rosenkreuzstilette who shares the closest bond with [[TheHeroine Spiritia]]. Tellingly, Freudia is [[PromotedToPlayable the player character]] in the sequel.
139* ''Franchise/SpyroTheDragon'':
140** ''VideoGame/SpyroYearOfTheDragon'' gives us Scorch, the boss of the penultimate world, Evening Lake. The cutscene before the fight gives a major plot revelation: [[spoiler:[[BigBad The Sorceress]] is ''[[NotSoWellIntentionedExtremist not]]'' a WellIntentionedExtremist, which she reveals to [[TheDragon Bianca]]. Bianca, this [[NotWhatISignedUpFor Not Being What She Signed Up For]], finally performs her HeelFaceTurn.]] 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.
141** ''Videogame/TheLegendOfSpyro'':
142*** In ''VideoGame/TheLegendOfSpyroDawnOfTheDragon'', [[BeastOfTheApocalypse The Destroyer]] is the weapon used for [[BigBad Malefor's]] [[OmnicidalManiac world destruction plot]], it's fought near the tail end of the game in a dramatic, high-stakes battle where Spyro and Cynder must [[ColossusClimb scale its massive body to destroy its purple crystals]], it's the final obstacle faced before the Burned Lands where Malefor's forces reside, and it's immediately followed by [[spoiler:[[HeroicSacrifice Ignitus' death]]]].
143* ''Franchise/SonicTheHedgehog'':
144** ''VideoGame/Sonic3AndKnuckles'': The last Launch Base Zone boss (the final boss from ''Sonic 3'' alone) becomes this in the full game, marking the end of the game's first half. It's also a turning point in the story, as it's when Sonic stops the relaunch of the Death Egg, knocking it down to Angel Island's volcano and setting in motion the '''Sonic & Knuckles'' portion of the story. In the second half Knuckles himself serves as this. He is guarding the last room before the Master Emerald, battling Sonic in front of a picture of a prophecy depicting Super Sonic fighting Doctor Eggman. After the battle Eggman reveals his true goals and steals the Master Emerald to restore the Death Egg. From then on Knuckles helps Sonic and the goal is to stop the Death Egg.
145** The Egg Viper in ''VideoGame/SonicAdventure''. To a degree, the Egg Walker too, but it's pretty easy.
146*** 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. E-101 Beta Mk II also comes straight after a WhamLine clarifying the playable character E-102 Gamma's ForegoneConclusion [[spoiler:(after destroying Beta, [[HeroicSacrifice he himself is his remaining target]]).]].
147*** To a degree, the Sonic and Tails vs Gamma character battle. While it's a pathetically easy boss on any side, it occurs just after [[spoiler:Gamma's PetTheDog moment rescuing Amy, leading her to stand up for him and break the fight up, finalizing his HeelFaceTurn]].
148** Despite being the penultimate boss, Metal Sonic serves this role in ''VideoGame/SonicCD''. 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 BossBattle previously unseen in this series, racing, along with [[https://www.youtube.com/watch?v=UmKLI1hWvTo appropriate]] [[https://www.youtube.com/watch?v=vml7FwAmGZk music]].[[note]]The former plays in the Japanese and European versions, the latter in the American version.[[/note]] This race concludes with Sonic finally rescuing Amy and defeating Metal, with only Robotnik left to oppose him. It's arguably the most [[SignatureScene memorable]] moment of the game, as well as the most [[ThatOneBoss challenging]].
149** Egg Albatross has this role in ''VideoGame/SonicHeroes''. Coming in at the 2/3 part of the game it is far more elaborate than any boss thus far, with three phases with distinct attack patterns. Afterwards, Eggman's egg fleet is shown in the distance as his master plan nears completion and in the Dark story this is the first time Shadow sees one of the Shadow androids, casting doubt on his origins. To top it all off [[spoiler:Eggman is revealed to be Metal Sonic in disguise.]]
150** Metal Sonic serves this role again in ''VideoGame/SonicMania''. Though he's still the boss of Stardust Speedway, this time it's halfway through the game (Zone six out of twelve) and he heralds the point where ''Mania'' stops playing around and starts getting serious. His battle is much longer than the previous bosses, has four phases, and Metal himself is only vulnerable at specific times during the fourth phase while you're [[AdvancingWallOfDoom being chased by a wall of spikes]]. And like in ''CD'' this climax is accompanied by an [[https://www.youtube.com/watch?v=nZVSqQaRJfQ&t= amazing remix of the Japanese theme]] from ''CD''. As of the ''Encore'' update, the final phase of the battle is changed to Eggman using the Phantom Ruby to make Metal Sonic transform into a OneWingedAngel.
151** ''VideoGame/SonicSuperstars'': Throughout the game, Fang the Hunter harasses Team Sonic and it finally comes to a head in Golden Capital Zone Act 2. It features a multi-stage battle as you navigate stage hazards and fend off his ever increasing firepower. [[spoiler:It culminates in Trip's HeelFaceTurn to stop him from activating his trump card, which she destroys with the power of her super form]]. Later, [[spoiler:in Trip's story mode where [[PromotedToPlayable she becomes a playable character]], she confronts Fang again in Golden Capital Zone, and then one final time as he ascends to be her mode's FinalBoss, using the same mecha that was teased in the main game]].
152* ''Franchise/SuperMarioBros''
153** ''VideoGame/SuperMarioBros3'' has Ludwig Von Koopa, who is the last Koopaling fought in order to save the Mushroom World. Afterwards, Bowser kidnaps Peach again, setting the stage for the final world.
154** ''VideoGame/SuperMarioWorld'' does this twice.
155*** Ludwig Von Koopa once again, but in different circumstance. He is fought midway through the game and is the only Koopaling to have a unique battle style. Afterwards, the rest of the game has Mario facing off the last 3 remaining Koopalings (prior to Bowser) under harder conditions to the first 3 Koopaling bouts.
156*** Speaking of last Koopalings, Larry Koopa is the final Koopaling the Mario Bros. faces ''right before'' Bowser himself, with his castle preceding Bowser's. This also counts as BookEnds in some way, as Larry's fight is a harder version of Iggy's.
157** ''VideoGame/SuperMarioSunshine'' has Mecha-Bowser. After Shadow Mario kidnaps Princess Peach, he takes her to Pinna Park, where he tries to take Mario down with this [[RobotMe giant robotic Bowser lookalike]]. It's one of the few bosses in the game with a unique battle theme, and its defeat is followed by the reveal of Shadow Mario's identity. [[spoiler:It's Bowser Jr.]]
158** ''VideoGame/NewSuperMarioBros'': If, let's say you want to play all the worlds in a specific order, then World 4's Tower fight against Bowser Jr. should come off as this, since it's the first battle against the Koopa prince that has him fighting much more aggressively and Mario defeating him in a different way (if he doesn't use the Fire Flower or the Mega Mushroom).
159** ''VideoGame/SuperMarioGalaxy'' has the second fight against Bowser in his Dark Matter Plant, afterwards you only have to collect a certain number of Power Stars for the Comet Observatory to reach the Center of the Universe (you can skip the Engine Room and Garden domes entirely).
160** Each fight with Bowser Jr. in ''VideoGame/NewSuperMarioBrosWii'' is this, as he is the TheHeavy of the game after all. ''VideoGame/NewSuperMarioBrosU'' does this again, especially the last one — since taking his airship down entirely removes the MacGuffin Bowser Hand that caused most of the problems in the story.
161** ''VideoGame/SuperMarioOdyssey'' has the first fight against Bowser in the Cloud Kingdom.
162[[/folder]]
163
164[[folder:Rhythm Game]]
165* In ''VideoGame/RhythmThiefAndTheEmperorsTreasure'', 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 [[ShooOutTheClowns considerably darker and more serious from his duel onwards]].
166* [[ThatOneBoss Purge the King]] from ''VideoGame/SpaceChannel5 Part 2''.
167[[/folder]]
168
169[[folder:Role-Playing Game]]
170* After beating the third boss of ''VideoGame/AbomiNation'', [[BigBad Furcifume]] himself ambushes you during the post-battle cutscene, immediately thrusting you into another battle. Also serves as a FinalBossPreview, as he uses similar tactics and abilities to his FinalBoss incarnation.
171* ''VideoGame/AdventureQuestWorlds'' 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).
172* ''VideoGame/BatenKaitos'' seems to have an affinity for these: the first game has [[spoiler:Geldoblame]], [[spoiler:Kalas]], and the final fight with Giacomo, Ayme, and Folon; the second game has [[spoiler:Guillo]], [[spoiler:Shananth]], and [[spoiler:Wiseman]], though the last of those is actually hidden away in a sidequest.
173* ''VideoGame/{{Bloodborne}}'' has Rom, the Vacuous Spider. Defeating her causes the Blood Moon to descend, opening up the endgame areas and causing previous areas to get harder. [[spoiler: The Blood Moon phase is also when the game goes full ahead with the cosmic horror, which had previously been limited to a few scattered enemies and oblique hints. Everything usually hidden is now permanently visible (including the EldritchAbomination hanging out on the safe house), most survivors go insane, and enemies include {{Cthulhumanoid}}s and minor Great Ones.]]
174* ''VideoGame/BreathOfFire 3'' had [[spoiler:Garr, the Dragon-slayer]] at the end of [[DiscOneFinalDungeon Angel Tower]], and [[spoiler:the Dragon Elder]] ''much'' later in the game.
175* ''VideoGame/ChronoCross'':
176** The first act has Miguel. Chronopolis by itself reveals a lot about the nature of [[DeconstructorFleet what happens when you mess around with time too often]]; Miguel is just where the story reaches its apex with it.
177** The second act has Fate, the true form of the recurring antagonist Lynx. Just before you learn of several secrets regarding yourself, Fate and the world as a whole. And after the dragons, [[spoiler:including their surprise member Harle]] make their play now that Fate is out of the picture
178* ''VideoGame/ChronoTrigger''
179** The HopelessBossFight against Lavos. It's actually winnable if you're of a high enough level, but you'll have to go through the NewGamePlus before you get to that point. And go through NewGamePlus ''several times'' before it ceases to be hard.
180** Magus. In addition to having intense boss music, it's where the true nature of what Lavos has done to the planet and the timelines starts emerging.
181** The battle against Azala and her [=BlackTyrano=]. The battle not only closes the Prehistory story arc, but also reveals that Lavos came from outer space in this era as a meteor and caused the ice age that killed the dinosaurs, and most importantly, the heroes find a Time Gate that leads to a fifth time period, Antiquity, when prior to that they could only travel between four time periods (Present, Middle Ages, BadFuture and Prehistory).
182* Cordelia's dragon form in ''VideoGame/ChildOfLight'', which happens shortly after a huge revelation ([[spoiler:Nox's betrayal]]) in the game. Her battle music is also different from the normal boss music.
183* Ornstein and Smough from ''VideoGame/DarkSouls''. Epic music, extremely challenging for the right reasons, and takes place in a huge and grand hall. Defeating the pair is the final test before meeting Gywnevere and receiving the Lordvessel, kicking off the second half of the Chosen Undead's quest.
184* Velstadt serves as this in ''VideoGame/DarkSoulsII''. He is the final obstacle to gain entry to the final area to get to the Throne of Want. [[spoiler:and defeating him reveals Vendrick's darkest secret. That he himself has turned hollow and succumbed to the Undead Curse.]]
185* Pontiff Sulyvahn and Saint Aldrich in ''VideoGame/DarkSouls3'' are the BigBadDuumvirate for the first half of the game, and are both fought and killed at around the halfway point. Sulyvahn is TheHeavy and responsible for countless other enemies and bosses you've already encountered, and is revealed to have masterminded a significant part of the plot. Aldrich, meanwhile, is the last major boss the player fights before they're supposed to go to Lothric Castle (assuming they killed Yhorm first). Their fights also come with two major revelations to add to their tensity; the Cathedral of the Deep had invaded and defiled Anor Londo, and Sulyvahn had fed Gwyndolin to Aldrich.
186* The first ''VideoGame/DigitalDevilSaga'' has Varin Omega and his demon form, Ravana… [[AnticlimaxBoss story-wise, anyway]]. In the second game, it's [[spoiler:Heat's new demon form]] Vritra, the last real boss fight before [[spoiler:Gale and Cielo's sacrifices and Serph and Sera's fusion]] leading up to the VeryDefinitelyFinalDungeon.
187* [[spoiler:The Arishok at the end of Act II]] in ''VideoGame/DragonAgeII''. 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 [[spoiler:Mage-Templar]] conflict in Act III.
188* ''VideoGame/DragonQuest'':
189** ''VideoGame/DragonQuestV'': Kon is the last opponent before the last timeskip, and marks the transition to the fatherhood portion of the game. He even has an appropriately climactic setup, [[spoiler:kidnapping the Hero's wife and having a unique battle setup where the kidnapped wife needs to weaken him in order to damage him]].
190** In ''VideoGame/DragonQuestVIII'':
191*** First, there's the two-stages fight against Dhoulmagus, fittingly the first boss fight using a different more threatening-sounding OST. The battle is [[spoiler:actually so intense that one could be forgiven to think it's the FinalBoss, especially since it takes place after the DiscOneFinalDungeon]]. However, it's only after this battle [[spoiler:that the truth about the scepter and the real BigBad is revealed]].
192*** Then, there's Marcello, which really starts ramping up how bad the BigBad is making things once Marcello is beaten.
193* ''VideoGame/EldenRing'':
194** [[Characters/EldenRingRadahn Radahn]] serves as this for many story arcs. More than one character talks of how he was once the greatest warrior of [[GreatOffscreenWar the Shattering]] and how his final battle with [[WalkingWasteland Malenia]] brought Caelid to ruin. His defeat is the key to a few character quests: Iron Fist Alexander realizes his limits in battle; no longer tied to Radahn, Jirren starts to hunt Sellen, causing her to entrust her SoulJar to you; Ranni's fate is unsealed and northern Nokron is unsealed, allowing progression into Fia's quest. That he gets an entire festival that makes his former castle non-hostile in a world burned by time and war shows how important he is even in his current state.
195** [[{{Dracolich}} Lichdragon Fortissax]] is the climax boss of Fia's questline. He is the draconic brother of the ancient dragon Lansseax; the friend of Godwyn The Golden; the last line defending the carcass of the Prince of Death; and pretty much everything you'd expect a draconic climax boss wreathed in lightning and necrotic briars to be. Defeating him allows Fia to give birth to the Mending Rune of the Death-Prince, which can be claimed by the player to be used to usher the Age of Duskborn.
196** [[EldritchAbomination Astel, Naturalborn of the Void]], is the climax boss at the end of Ranni's questline. At the point you encounter this starspawn horror, you've learned that Ranni plans on putting an end to the Age of the Erdtree and its Golden Order and have the next era be one dedicated to the Stars and the Dark Moon. You have explored both [[UndergroundCity Nokron and Nokstella]], the two civilizations of the Dark Moon-worshipping Nox. And you have, if not outright seen its ruins for yourself, then at least read about the destruction of a third Nox civilization in item descriptions. And you know that Astel is what caused that destruction. It, and [[GravityMaster the powers]] [[MeteorSummoningAttack it conjures]], represent both the final obstacle standing in the way of you reaching Ranni and helping her make the Age of Stars a possibility, as well as the dangers that await humanity in her Age should it come to pass.
197** Morgott the Omen King serves as this for the main story arc. He is the boss of the royal capital Leyndell and the last enemy before the Erdtree. His defeat reveals the biggest obstacle to entering it [[spoiler:is the Erdtree itself, which has created a barrier of thorns to keep the Elden Ring out of reach. From then on you have to work on finding a way to burn the Erdtree to gain access to the inside]]. Appropriately, he is the last Demi-god that has to be faced, showing that your goals are higher than thought before.
198** A confrontation with the mysterious Lord of Blood is foreshadowed from the very first zone (via his followers Varré and Nerijus) and constantly built up to throughout the game via item descriptions, NPC dialogue, fights with his Bloody Fingers and Sanguine Nobles, and a preview fight against him as a projection in Leyndell (without revealing the connection between the Omen and the Lord of Blood). When you finally find him, you'll be rewarded with one of the game's toughest bosses and three significant narrative answers: what the Bloody Fingers are working towards, why the Haligtree is decaying, and what exactly happened to the missing Empyrean Miquella. Taking this information back to Gideon also yields some important information about Queen Marika's motivations. Gideon's dialogue itself also indicates that Mohg is intended to be the last shardbearer the player fights, even after [[{{Superboss}} Malenia]].
199* ''VideoGame/FateGrandOrder'': Singularity #7: Babylonia and Lostbelt #7, Nahui Mictalan both feature an insanely difficult boss not only poses just as much if not ''more'' of a threat than current arc's BigBad, but also introduces ''major'' lore changes when they are revealed.
200** Babylonia has [[spoiler:Tiamat, the Beast of Regression. Tiamat is set to devour all of Uruk and is a foe completely unrelated to the existence of the singularities. Not only that, but she is the very first Beast-class opponent players face, and her encounter reveals the true person of the Servant summoning system is to ''oppose'' beasts like her. Her powers also hint that Angra Mainyu from the original ''VisualNovel/FateStayNight'' would've become a Beast if someone wished on the corrupted grail]].
201** Nahui Mictalan has [[spoiler:ORT, [[UltimateLifeform the Ultimate One of the Oort Cloud]]. Not only is this a major case of UnseenNoMore (Oort was first referneced ''twenty two years prior to its fight in Nahui Mictalan''), but it is also revealed that Oort is ''directly responsible for the setting as we know it'' - [[PhlebotinumKilledTheDinosaurs Oort's impact with Earth is what destroyed the dinosaurs]], allowing mankind to flourish when extraterrestrial bacteria arrived shortly after in the Chixulub meteor]]. As for the fight itself, it is the first and so far only ''single player story raid'', requiring you to throw a literal army of servants at [[spoiler:ORT]] to win. Due to all of the gimmicks in the fight, including disabling using defeated servants for the rest of the fight, it also functions as a FinalExamBoss and test of how well you've level up your servants, their skills, and your craft essences.
202* ''Franchise/FinalFantasy'' series:
203** The Emperor in ''VideoGame/FinalFantasyII'', who has every appearance of being the final boss, but there's still two more dungeons afterward.
204** Xande in ''VideoGame/FinalFantasyIII'' is the EvilOverlord behind all the conflict in the game, until you kill him, at which point the Cloud of Darkness appears and you're transported to TheVeryDefinitelyFinalDungeon to fight it.
205** In ''VideoGame/FinalFantasyIVTheAfterYears'', after the revelation that despite [[spoiler:Fusoya and Golbez successfully killing the Mysterious Girl, she won't ''stay'' dead]], [[spoiler:the moon's crystals are all shattered]], which results in [[spoiler:the resurrection of Zeromus with only Golbez and Fusoya there to stop him]]. Fans of the first game will immediately know how ''overwhelmingly fucked'' they are.
206** In ''VideoGame/FinalFantasyV'', the fight with Exdeath at his castle is the last boss before the worlds merge, and even gets its own unique battle theme.
207** ''VideoGame/FinalFantasyVI'' has the fights against Kefka at Narshe and against [=AtmaWeapon=] on the Floating Continent, which are the last fights of their respective acts of the story. The latter in particular directly precedes the game's biggest twist, in which Kefka kills Gestahl, destroys most of the world, and becomes the godlike ruler of what remains, radically shifting the focus of the story in its third and final act.
208** Jenova:LIFE in ''VideoGame/FinalFantasyVII'' 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.
209*** ''VideoGame/CrisisCore'' has two, Angeal Penance and Sephiroth. Angeal's battle ends the conflict between Zack and Angeal that had been brewing since the first chapter, ending with Zack inheriting the Buster Sword from him. Sephiroth's battle ends Zack's relationship with Shinra as he is now on the outs with the company and must make his way without them.
210*** Fittingly Jenova:Dreamweaver serves this role in ''VideoGame/FinalFantasyVIIRemake''. The battle serves as the point where fighting Shinra takes a back seat to finding Sephiroth, which is exemplified with President Shinra dying just beforehand. The revelation that the Whispers are just as much on your side as against it is shown when they [[spoiler:save Barret after being stabbed by Sephiroth.]]
211*** ''VideoGame/FinalFantasyVIIRebirth'' has two, Scarlet with her Crimson Mare Mk II, and Gi Nattak. The battle with Scarlet concludes Shinra's attempts to acquire a Weapon and [[spoiler:closes the subplot that Sephiroth is trying to trick Cloud into killing Tifa]], after which Tifa is given a tour of the Lifestream to see the battle for control Sephiroth is creating there. Gi Nattak expounds on the lore behind the Cetra and the Gi, as well as introducing the Black Materia plot that makes up the last third of the game.
212** Both battles with Edea in ''VideoGame/FinalFantasyVIII'', and later the battle with Adel.
213** [[SequentialBoss Garland AND Kuja]] in ''VideoGame/FinalFantasyIX''.
214** [[spoiler:Seymour Natus in Bevelle]] and later [[spoiler:Yunalesca in Zanarkand]] in ''VideoGame/FinalFantasyX''.
215** Staying true to the ''Franchise/FinalFantasy'' tradition of making sweet, sweet love with this trope, ''VideoGame/FinalFantasyXI'' has several of these.
216*** In the ''Rise of the Zilart'' expansion, [[spoiler:Kam'lanaut]] in the Stellar Fulcrum.
217*** In the ''Chains of Promathia'' expansion, [[spoiler:Tenzen]] on the airship. [[spoiler:Omega and Ultima Weapons]] may count as well.
218*** In the ''Treasures of Aht Urhgan '' expansion, [[spoiler:Gessho]] in Talacca Cove.
219*** Though not yet finished, the Climax Boss of the ''Wings of the Goddess'' expansion seems to be [[spoiler: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..
220** ''VideoGame/FinalFantasyXIII'' has a whole ''series'' of Climax Bosses, the Eidolons. They appear for each party member when they cross their DespairEventHorizon—and typically mark the point where the characters begin overcoming their {{Fatal Flaw}}s.
221*** As for the overall plot, there's the first battle against [[spoiler:Primarch Dysley, a.k.a. the fal'Cie Barthandelus.]]
222** ''VideoGame/FinalFantasyXIV'':
223*** ''Shadowbringers'' has Innocence, the final Lightwarden and most powerful of the [[AngelicAbomination Sin Eaters]]. Due to [[spoiler:Vauthry turning out to be him]], his defeat marks the end of the Sin Eaters' portion of the plot, as well as the end of [[spoiler:Eulmore's role as antagonistic faction]]. After defeating him, however, the PlayerCharacter's body starts to break apart from the Light they absorbed from the Lightwardens, [[TheManBehindTheMan Emet-Selch]] shows up, kidnaps the Crystal Exarch, and usurps the role of main villain for the final part of the main plot.
224*** ''Endwalker'' has [[spoiler: Hydaelyn, the goddess your character has worked for since the game's beginning. Her fight is one final test to see if the Warrior of Light and the Scions are ready to face the Endsinger.]]
225** ''VideoGame/FinalFantasyXV'': Has two. Leviathan serves as the final boss stopping Noctis from entering Imperial territory. During the fight he faces the greatest challenge yet from the Astral as Imperial forces battle around as he struggles to reunite with Lunafreya and face Ardyn. [[spoiler:That Lunafreya dies despite his efforts, Ignis loses his eyesight and the gameplay taking a drastic turn cements her as the Climax boss]]. The second is Ravus. Originally one of Noctis' rivals who had seen that he is the one to stop Ardyn, he was killed and infected with Starscourge to fight Noctis and his allies once again. This is the final battle before [[spoiler:the TimeSkip, where Noctis finds out that his journey requires him to sleep in the crystal for ten years, gains an audience with Bahamut and wakes up in a ruined world.]]
226** ''VideoGame/FinalFantasyXVI'' has a few, each ending a certain act structure and beginning a new dynamic in the story.
227*** Garuda is the first, forcing Clive to bring out the power of Ifrit and awaken as its Dominant, drastically changing his part in the story and revealing that the nature of the world is vastly different than anyone had realized.
228*** Typhon heralds the true BigBad of the story Ultima, mortally wounds Cid whose final act is to pass on his name and cause to Clive. Other plot developments include the revelation that Joshua is alive and disrupting Ultima's plans his own way and Titan's Dominant Hugo destroys Cid's hideaway, causing a TimeSkip where Clive is using a new hideaway and name.
229*** Hugo/Titan ends a massive escalating rivalry that had been growing ever stronger with each act, as Clive reveals he killed Benedikta/Garuda causing Hugo's anger to hit its peak. That Titan literally becomes a mountain sized beast of stone shows how great their battle has escalated.
230** ''VideoGame/FinalFantasyTactics'' has these at the end (or near the end) of each Act:
231*** Act I: Argath. [[spoiler:Ramza figures out that his brothers are dicks.]]
232*** Act II: Cardinal Delacroix[[spoiler:/Cu Chulainn. Oh my Ajora, the Lucavi are real!]]
233*** Act III has two, back to back.
234*** Wiegraf [[spoiler:/Belias. [[TheDarkSideWillMakeYouForget The Dark Side Made Him Forget]] why he's fighting Ramza in the first place.]]
235*** Marquis Elmdore and his bodyguards, Celia and Lettie. [[spoiler:Alma is to be the vessel of Ultima]].
236*** Act IV: Dycedarg, your elder brother[[spoiler:/Adrammelech. This is the end of the Beoulve family.]]
237** [[spoiler:Dark Lord]] in ''VideoGame/FinalFantasyAdventure'' and its remakes. After StormingTheCastle, you finally confront the BigBad. [[spoiler:Only to realize TheDragon, Julius, has played you and Dark Lord for fools and completed Dark Lord's plans without him.]]
238* All of the trophy bouts in ''VisualNovel/FleuretBlanc''. 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 HitPoints as they do in normal bouts, making the fight longer and more intense.
239* ''VideoGame/FossilFighters'' does this twice, first with a showdown of OlympusMons, then [[spoiler:against the leader of an alien race of dinosaur people before even learning about the FinalBoss.]]
240* From the ''VideoGame/FugaMelodiesOfSteel'' series:
241** The original game has the boss of Chapter 10, [[spoiler:[[BigBad Shvein Hax]] and the Tarascus— an EvilKnockoff of the Taranis powered by the displaced heart of [[MechanicalAbomination the "Lost God" Vanargand]]]]. This boss not only happens just before the children of the Taranis achieve their goal of finding their kidnapped families, but the cutscene before the fight reveals [[spoiler:that Hax plans to use the Tarascus to resurrect the Vanargand, and that [[MissionControl the Radio Woman]] guided him [[PlayingBothSides just as she was guiding the children]] for an unknown agenda]].
242** ''VideoGame/FugaMelodiesOfSteel2'' has the boss of Chapter 3, when [[spoiler:the Tarascus finally catches up to the rogue Taranis]], with the events following the boss heralding the end of the game's first act. There's also Chapter 6, [[spoiler:the first fight against Jihl and the slightly upgraded Belenos]]. Not only does it cap off the first half of the game with [[spoiler:[[TheLeader Malt]] having finally gotten out of his HeroicBSOD]] prior to the fight, but it also heralds the point in the story where [[spoiler:Jihl starts to lose his free will and sanity to the Belenos' power, and his role as a WoobieDestroyerOfWorlds starts to come more to the forefront. The cutscenes following the boss also indicate that [[SacrificialLion Hanna]] may still be alive in some form]]. Finally, there's the boss of Chapter 10, [[spoiler:where the true BigBad of the story reveals themselves and hijacks the Belenos, with the story afterwards having the children experience a [[FissionMailed scripted loss]] that Malt has to undo at the start of the next chapter]].
243* ''VideoGame/GloryOfHeraclesIII'' has the boss of Mount Atlas, [[spoiler:Baor]]. Not only does it reveal said character's fate, but [[spoiler:what follows is a ''massive'' WhamEpisode]].
244* ''VideoGame/GoldenSun'':
245** Saturos in ''VideoGame/GoldenSun1'', albeit far earlier than is the norm for this trope (barely a quarter of the way through the game, maybe even less if you accidentally went straight to Imil from Bilibin instead of going to Kolima first).
246** Agatio and Karst in ''[[VideoGame/GoldenSunTheLostAge The Lost Age]]'', which incidentally is the only boss fight you're allowed to lose.
247** Blados and Chalis in ''[[VideoGame/GoldenSunDarkDawn Dark Dawn]]'' cap off an entire Climax ''Dungeon''. Given that you completed your original goal (obtaining a roc feather) just before entering the dungeon in question, this probably doubles as DiscOneFinalBoss as the only real hint that you're not nearing the end of the game is [[InterfaceSpoiler that you've only just reacquired your sixth party member and there are supposed to be eight of them.]]
248* ''VideoGame/JadeEmpire'': Grand Inquisitor Jia fights you right after she reveals that you had the entire plot backwards.
249* ''Franchise/KingdomHearts'':
250** The fights against Dragon-Maleficent and [[spoiler: Possessed!]]Riku in ''VideoGame/KingdomHeartsI''. [[GiantSpaceFleaFromNowhere Chernabog]] may also qualify, as he directly precedes the FinalBoss.
251** ''VideoGame/KingdomHeartsChainOfMemories'' has ''three'' of these. Vexen serves as the first one in Sora's story, in which he is the first Organization member to be rematched, and right in the middle of a WhamEpisode; he is also the first [[spoiler:to be killed off]]. The rematch with Larxene is the second one, as it occurs right after the biggest revelations in the plot. In Reverse/Rebirth, this role is given to Zexion, despite being TheUnfought in the UsefulNotes/GameBoyAdvance version: he attempts to trap Riku in an illusion, only for this to [[NiceJobFixingItVillain backfire]] when Riku stops fighting with his inner darkness and [[IAmWhatIAm finally embraces it]]; he is also the ''last'' Organization member in the game (but not the series) [[spoiler:to be killed off]].
252** ''VideoGame/KingdomHeartsII'' doesn't have a traditional Climax Boss, but instead a BossRush through Xigbar, Luxord, Saix, and Xemnas in his regular form prior to the FinalBoss. In the Final Mix version, [[spoiler:Roxas]] is added to the start of this BossRush.
253** [[spoiler:Data-Sora's Heartless]] in ''VideoGame/KingdomHeartsCoded'', who seems to be the last boss in the last chapter, but there is in fact another chapter and another boss waiting after him.
254** ''VideoGame/KingdomHearts358DaysOver2'' has Saix, who had served as the closest thing to a BigBad the story had and is finally fought when Roxas makes his pivotal decision to leave the Organization. Some argue that [[spoiler:Xion]], who is the [[PreFinalBoss penultimate boss]], also qualifies, while others consider that to be the real FinalBoss since the following one is almost impossible to lose to and is only the last boss due to being a ForegoneConclusion.
255** Master Eraqus for Terra's story in ''VideoGame/KingdomHeartsBirthBySleep''. Also, the final bosses of all three story modes might qualify since there is a TrueFinalBoss for the game in the Final Episode unlocked after completing the three story modes. And even THAT boss becomes another Climax Boss in the Final Mix version, which adds one more bonus storyline ending in its own final boss.
256** In ''[[VideoGame/KingdomHearts3DDreamDropDistance Kingdom Hearts 3D]]'', Sora has [[spoiler:Xemnas, who appears to drop bombshells about the Organization's purpose and ends Sora's storyline but not the game]]. Riku has [[spoiler: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. It originally wasn't supposed to be in the game at all, which would explain the lower difficulty, as the prior Climax Boss was supposed to ''be'' the Final Boss.
257** Similar to ''Kingdom Hearts II'', there is no single Climax Boss in ''VideoGame/KingdomHeartsIII'', instead being a BossRush through [[spoiler:Luxord, Larxene and Marluxia, Riku Replica and Xigbar, Vanitas and Terra-Xehanort, Xion and Saix, '''and''' Ansem, Xemnas, and Young Xehanort]] prior to facing the FinalBoss.
258* [[spoiler:Templar Octienne]], [[spoiler:the Balor]], and Gadflow in ''VideoGame/KingdomsOfAmalurReckoning''.
259* ''VideoGame/KnightsOfTheOldRepublic'': Darth Malak, who's also the final boss, is first fought inconclusively right after the huge revelation about what his interest in the PlayerCharacter is.
260* ''VideoGame/TheLegendOfDragoon'' had roughly one per disc. Disc 1 had [[DualBoss 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.
261* [[spoiler:Isolde]] in ''VideoGame/ManaKhemiaAlchemistsOfAlrevis''. [[SugarWiki/AwesomeMusic Combined with the awesome song]] [[https://www.youtube.com/watch?v=f5FMRpDhhko Nefertiti]], it's easily one of the best boss battles in the game. [[spoiler:And you battle her ''twice''!!]]
262* ''Franchise/MassEffect'':
263** [[VideoGame/MassEffect1 The first game]] allows you to come face-to-face with [[BigBad Saren]] on Virmire, right after you learn the [[EldritchAbomination true nature]] of Sovereign, the [[SapientShip starship]] he's been using to wreak havoc around the galaxy and brainwash people to his will, along with [[AbusivePrecursors its goals]]. He possesses powers from all three of the [[ClassAndLevelSystem skill trees]] available in the game and is an example of HeadsIWinTailsYouLose, considering that no matter how much damage you do to him, he gets away scot-free, leaving you to make a SadisticChoice on whether to save [[spoiler:Kaidan or Ashley]] when you destroy his base.
264** ''VideoGame/MassEffect2'' has the mission on the abandoned Collector ship featuring ''that'' game's BigBad, Harbinger, whom you never directly confront but rather have to defeat his multiple drones which he can VillainOverride. This isn't your first time confronting such an avatar, but that occasion falls under WakeUpCallBoss. This is right after you learn that his plan for an AlienAbduction is considerably larger in scale than believed, and that the Collectors are all that's left of [[spoiler:the [[BenevolentPrecursors Protheans]]]].
265** ''VideoGame/MassEffect3'''s closest equivalent is the fight on Thessia, where the underpinnings of the Asari culture are totally undermined, [[TheDragon 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 [[AbusivePrecursors the Reapers]], and like in ''VideoGame/MassEffect1'', is another HeadsIWinTailsYouLose.
266* ''VideoGame/MegaManBattleNetwork'': [[spoiler:Colonel]], [=MegaMan=]'s former ally from the fifth game, who [=MegaMan=] refuses to fight throughout the sixth title 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 [[LastChanceHitPoint Under Shirt]].
267* ''VideoGame/MegaManStarForce'':
268** The first game has the two battles against Gemini Spark, with the first battle resulting in the story taking a darker turn and the second battle signaling the beginning of the endgame.
269** The second game has the battle against Rogue at the end of the Bermuda Maze, representing the clash between his and Geo's philosophies. Defeating him allows the bad guys to take the [=OOPart=] from Mega Man and set their plan into motion.
270** The third game has Dread Joker. The fights against [[spoiler:Jack Corvus and Queen Virgo inside Meteor G]] could also count, though they're both [[spoiler:directly before the FinalBoss]].
271* ''VideoGame/{{Mother}}'':
272** In ''VideoGame/{{EarthBound|1994}}'', most of the problems in the Eagleland section (Onett to Fourside) were caused by the Mani Mani Statue sent by Giygas. The statue manipulated six people directly[[note]]Lier X. Agerate, Everdread, Carpainter, Pokey Minch, Aloysius Minch, and Geldegarde Monotoli[[/note]] 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, [[spoiler:except for Pokey]].
273** The chapter-based structure of ''VideoGame/Mother3'' means that every chapter ends with a major boss battle and a {{cliffhanger}} that changes the course of the plot. Special mention, however, goes to the fight against Mr. Generator at the end of Chapter 5. The battle follows a major bit of {{foreshadowing}} regarding Lucas' connections to the Pigmask Army's leadership and is followed up by a cutscene where Fassad, the regime's mouthpiece, is put out of commission and the protagonists come face-to-face with the Pigmasks' commander for the first time. The fight also marks the point where the main cast finally becomes capable of directly taking on the Pigmasks' rule over the Nowhere Islands, destroying the superweapon that they use to terrorize dissidents and gaining key knowledge about the regime's inner workings. The rest of the game focuses on the protagonists butting heads with the Pigmask Army and racing to stop their plan to wake the Dark Dragon for their own ends.
274* ''VideoGame/NeoTheWorldEndsWithYou'' has the fight with Susukichi at the end of Week 1 and the fight with Tsugumi/[[OneWingedAngel Grus Cantus]] at the end of Week 2. ''Especially'' the latter, because it comes right before a WhamEpisode that reveals the full extent to which [[spoiler:the Ruinbringers are FixingTheGame — they're actually just the Shinjuku Reapers, and as long as Shiba's around, nobody is going to be able to get out]].
275* The Knave of Hearts in ''VideoGame/NieR'' attacks the main characters' hometown just as you finish collecting the sealed verses to cure Yonah. [[spoiler:You can't defeat it yet, only seal it away. And while you're busy with that, the Shadowlord kidnaps Yonah.]]
276* Enoch in ''VideoGame/{{OFF}}'', the largest and most powerful Guardian in the game's world that is faced right before the Room and shortly after the reveal of what, exactly, the "sugar" the Elsen are so obsessed with is really made of. He is also the first character in the game who explicitly points out that [[spoiler:"purifying" a Zone kills almost all life in it and fills it with monsters called "Secretaries." The player ''does'' have the option to go back and see this as soon as Dedan is killed, but it is always optional; Enoch finally mentions that ''something'' happens to a Zone in his last words]].
277* ''VideoGame/{{Persona 4}}'':
278** [[spoiler:Shadow Mitsuo]], the boss of Void Quest. [[spoiler:Both in gameplay because he tends to be [[ThatOneBoss a brick wall for many players]], and in story because the Investigation Team thinks his arrest will bring the end of the kidnappings. [[YourPrincessIsInAnotherCastle It doesn't.]]]]
279** Kunino-Sagiri, [[spoiler:the fragment of the BigBad inside Namatame. Namatame has kidnapped your little cousin in an attempt to save her ([[ObliviouslyEvil 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, [[ThatOneBoss he's another stone wall for players]]]].
280* ''VideoGame/{{Persona Q Shadow Of The Labyrinth}}'':
281** 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 over.
282** Best Friend serves as this for the game as whole. It's fought at the end of what you believe is the last dungeon, it gets its own battle music, is [[spoiler:Rei's Shadow, making it the embodiment of all her issues which you've spent most of the game trying to figure out]], and its defeat leads into a WhamEpisode that finally gives TheReveal of Zen and Rei's true natures.
283* ''VideoGame/Persona5'' has a few:
284** The fight against [[spoiler:Shadow Sae Niijima]]. Immediately after this you [[OnceMoreWithClarity replay the escape sequence from the beginning of the game]] using your current stock of Personas instead of the shadowy Arsene, and the timeline catches up with the interrogation, where you face a choice that can cause you to get a NonStandardGameOver.
285** The seventh palace has two. The first is [[spoiler:Black Mask Akechi, which outs him as the cause of the mental shutdowns, reveals his status as a wildcard as well as his motivations and being Shido's bastard son, and then [[AmbiguousSituation (maybe)]] kills him off]]. The other is [[spoiler:Shadow Shido himself, a multi-stage boss fight against the leader of the conspiracy and the one who framed Joker for assault before the game started]].
286** ''Persona 5 Royal'' turns [[spoiler:Yaldabaoth]], the former FinalBoss, into one of these. On account of having originally been the FinalBoss, [[spoiler:his defeat marks the end of the Phantom Thieves' fight against TheConspiracy, sees the real Igor freed, and restores Lavenza to her true form. However, when he merged reality and Mementos, he unintentionally causes Takuto Maruki's Persona to awaken (assuming you maxed out the Councillor Confidant before fighting Shadow Sae, otherwise Yaldabaoth remains the last boss), causing the Doctor to become the new God of Control and setting the stage for the game's final arc and TrueFinalBoss]].
287* ''VideoGame/PersonaQ2NewCinemaLabyrinth'' has [[spoiler:Doe, who is fought at the end of the seemingly last labyrinth and is revealed to be a cognition of Hikari's father who was actually trying to help her, but got corrupted by her trauma-distorted cognition. The battle with him helps Hikari overcome her depression and come to terms with herself, as well as granting her and her friends the last key needed to leave the Cinema, leading to TheReveal of the true BigBad and opening the path to TheVeryDefinitelyFinalDungeon]].
288* ''VideoGame/PhantasyStar'':
289** ''VideoGame/PhantasyStarII'' has Neifirst, who concludes the end of Rolf's initial mission to end the Biomonster threat. NothingIsTheSameAnymore once she is killed; [[spoiler:Nei dies as well, Climatrol has blown up, and Rolf and his party are now wanted by the Motavian government as terrorists.]]
290** ''VideoGame/PhantasyStarIII'' ends each generation with a climax boss. Rhys battles the king of Cille to complete his goal of finding Maia, and depending on who Rhys marries, his son will have to fight one of the former generals in the war between Orakio and Laya: Siren for Ayn, and Lune for Nial.
291** Zio of ''VideoGame/PhantasyStarIV'' has all the trappings of being a BigBad; he's an evil sorcerer running a ReligionOfEvil on Motavia. And just like Neifirst, [[spoiler:meeting him brings with it the death of a main character, namely Alys.]]
292* In ''VideoGame/PlanescapeTorment'', the first half of the game is devoted to learning about, finding, and reaching [[spoiler:Ravel Puzzlewell, original speaker of the ArcWords and]] the one responsible for your immortality. She has a lot of exposition and confrontational dialogue for you… and is ''not'' letting you go without a fight. After you defeat her, the real BigBad shows up [[spoiler:as the Transcendent One steps in to kill her for real]].
293* ''Franchise/{{Pokemon}}'':
294** In the [[VideoGame/PokemonGoldAndSilver second]], [[VideoGame/PokemonRubyAndSapphire third]], [[VideoGame/PokemonDiamondAndPearl fourth]], and [[VideoGame/PokemonXAndY sixth]] generations of Pokémon, the fights against [[BigBad 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, fourth, and sixth generations, the battle against the game's flagship legendary also takes place in the same scenario. The first generation mixes it up as [[spoiler:Giovanni, the BigBad, ''is'' the eighth Gym Leader.]] The [[VideoGame/PokemonBlackAndWhite fifth]] generation abandons this formula completely; [[spoiler:the leader, Ghetsis, ''is'' the FinalBoss (though N is the ClimaxBoss when he reveals himself as Team Plasma's King, and later faces the protagonist with his legendary Pokemon opposite of the game's mascot)]]. However in the [[VideoGame/PokemonBlack2AndWhite2 fifth generation sequels]], [[spoiler:Ghetsis is fought after defeating the 8th Gym Leader, and prior to entering the Pokemon League]].
295** The same logic may be applied to whichever Legendary Pokémon is featured in the cover of your game. After all, they're usually the reason the evil team leader even has a goal to begin with. A reckless awakening later and suddenly the whole region is under massive danger because the Legendary Pokémon in question started messing with a fundamental force of the universe. Only by capturing/defeating them can you prevent certain doom and restore the natural order of things, and chances are that the criminal leader has already been dealt with by then.
296** The Eighth Gym Leaders in each game usually qualify, especially considering how much time you're going to have to spend LevelGrinding between beating them and tackling the Elite Four. Giovanni in ''VideoGame/PokemonRedAndBlue'' is probably the best example from a story perspective, being the ringleader of Team Rocket, and Clair in ''[[VideoGame/PokemonGoldAndSilver Gold, Silver, and Crystal]]'' is probably the best example in terms of [[ThatOneBoss difficulty]].
297** ''[[VideoGame/PokemonRubyAndSapphire 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 in the western half of the region. 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 eastern half of the Hoenn region. Surpassing your father is what really gets you noticed by various [=NPCs=]. And Norman represents an increase in difficulty compared to the other Gym Leaders. The [[VideoGameRemake remakes]] make 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.
298** ''VideoGame/PokemonSunAndMoon'' has both battles against [[spoiler:Lusamine; the first one at Aether Paradise after learning [[LukeIAmYourFather she's Lillie's mother]] and her idea of "protecting" Pokémon is to cryogenically freeze them, and the second one in Ultra Space after she's [[FusionDance fused with]] [[EldritchAbomination the Ultra-Beast Nihilego]].]]
299** ''VideoGame/PokemonUltraSunAndUltraMoon'' has the second battle with [[OlympusMons Necrozma]], [[spoiler:having [[OneWingedAngel transformed into Ultra Necrozma]]]], which occurs before the player's final Trial and takes the place of [[spoiler:Motherbeast Lusamine]] from the original games. Faced at Level 60 at a point when Trainers' Pokémon are in the low 50s, it's easily the strongest Pokémon in the story. And that's ''without'' accounting for a diverse movepool, an Ability that makes super effective moves hit harder, an aura giving it a +1 boost to all its stats from the start, ''and'' stats eclipsing those of [[PhysicalGod Arceus]].
300** ''VideoGame/PokemonScarletAndViolet'' has a battle against one of your friends at the end of each storyline. All three of them boast balanced teams that would not be out of place as the Champion's team in other games (the exception being [[spoiler: Penny (who uses a gimmick team of Eeveelutions with weak movesets), who is preceeded by the much tougher Director Clavell]]). Defeating them signifies the completion of their respective story [[spoiler: and all three are required to unlock the final story]].
301* ''VideoGame/RadiataStories'' 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 HopelessBossFight against Cross.
302* ''VideoGame/ShiningForce'' has the fight against Kane, the Runefaustian general [[DoomedHometown that destroyed the main character's hometown]] and is given the greatest build-up of all the bosses in the game. He's also one of the [[ThatOneBoss toughest]], with an extremely high attack proportional to that of the playable characters'.
303* ''Videogame/ShiningTheHolyArk'' has you fight Rilix after you learn that the King is nothing but a [[PuppetKing puppet]] and that she plans to revive the thousand year kingdom. Oh, and she plans to kill you.
304* ''Franchise/ShinMegamiTensei'' main games:
305** As a general rule of thumb, bosses immediately before alignment lock or as a consequence of choosing your alignment tend to be this.
306** In ''VideoGame/ShinMegamiTenseiI'', Thor is the final boss fought before a major PointOfNoReturn, and how you handle him and Gotou serves as your first major alignment decision. Once you beat him (or on Law, ally with him), [[spoiler:the nukes start flying and Tokyo goes up in flames]].
307** Uriel and Raphael, Michael, and the fake YHVH in ''VideoGame/ShinMegamiTenseiII''. They're all fought sequentially, mark the game's first major climax (these are the ones [[BigBadDuumvirate 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.
308** The Moirae Sisters take this role in ''VideoGame/ShinMegamiTenseiNocturne'' as the guards of Yuko Takao, who the Demi-Fiend has been looking for since the Conception started. Later, [[TheDragon Girimehkala]] and [[BigBadWannabe Sakahagi]] act as the second Climax Boss fight, with Sakahagi being built up as a great evil power that has to be stopped.
309** ''VideoGame/ShinMegamiTenseiStrangeJourney'':
310*** Maia Ouroboros is built up as [[DiscOneFinalBoss 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.
311*** If you follow the Law or Chaos routes, there is also [[spoiler:Commander Gore]]. He is regarded as one of the hardest bosses in the entire game, and will [[TheComputerIsACheatingBastard 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 [[spoiler: Zelenin]], your brainwashed former ally who guards two of the {{MacGuffin}}s necessary to save the world.
312** In ''VideoGame/ShinMegamiTenseiIV'', 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 [[HateSink most loathsome character in the setting]]; the two of them had been the [[BigBadEnsemble 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 [[spoiler:[[OmnicidalManiac the White]], [[KnightTemplar Merkabah]], and [[SocialDarwinist Lucifer]]]].
313** ''VideoGame/ShinMegamiTenseiIVApocalypse'':
314*** Krishna, leader of the Divine Powers, serves this role, as the threat that the Divine Powers pose is [[TheDreaded enough]] to make humans, angels, and demons [[EnemyMine cease their three-way war]] [[TeethClenchedTeamwork as much as they need to]] in order to stop them. He is fought in Tsukiji Konganji, which he's set up as HQ for himself and his fellow polytheistic gods, and once he's downed, the first three factions go back to being at each other's throats. [[spoiler:Then it turns out the Powers all faked their defeats and they proceed with the next step of their plan for humanity's [[DeadlyEuphemism "salvation"]].]]
315*** After the second of two alignment locks, you either fight [[spoiler:Dagda]] on Bonds as [[spoiler:he takes your powers away in revenge for betraying him while Danu tries to make a new Dagda to keep you alive]], or [[spoiler:all of your partners (except Asahi, who's already dead by this point)]] on Massacre as [[spoiler:they try to stop you and by extension Dagda from carrying out your omnicidal plans to remake the universe]].
316* ''VideoGame/SkiesOfArcadia'' features quite a few. There are two [[HopelessBossFight Hopeless Boss Fights]] against Ramirez, and [[spoiler: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.
317* The battle against Luca Blight in ''VideoGame/SuikodenII'' embodies this trope, especially since you have to beat him ''[[SequentialBoss three times in succession]]'', then duel him with the Hero afterwards.
318* ''VideoGame/SolatoroboRedTheHunter'':
319** The tenth chapter of the game has what players going in blind would presume to be the FinalBoss, [[spoiler:with Red defeating a transformed Bruno and working together with Elh to seal away [[MechanicalAbomination Lares]], fulfilling the goal the two established at the start of the game. However, following the game's credits is the start of the game's second half, thus solidifying the fight against Bruno as being this trope along with being a DiscOneFinalBoss]].
320** Afterwards, we have [[spoiler:Red's fight against [[CainAndAbel Nero]] in the third chapter of Part Two, where Red not only comes to terms [[TomatoInTheMirror with his identity as a hybrid]], but also gains the upgraded Dahak [=Mk2=] to fight against Nero with]]. The cutscene following this fight also has [[spoiler:Nero cryptically mention that Red will be unable to resist the "Order" when it comes. Red's final fight against Nero and Blanck's combined mecha in Chapter 8 has this plot point reach its climax— after Red defeats Nero and Blanck, [[EldritchAbomination Tartaros]] gives Red the [[BrainwashedAndCrazy order]] to destroy all life, resulting in Red finishing off the duo and afterwards nearly choking Elh to death]].
321* ''Franchise/SuperMarioBros'' [=RPGs=]:
322** Each boss battle with the BigBad Smithy's weapon-based minions in ''VideoGame/SuperMarioRPG: Legend of the Seven Stars''. Also, Punchinello for being a stand-in to the weapon fight.
323** ''VideoGame/MarioAndLuigiSuperstarSaga'' has Cackletta's first fight about halfway through. Unusually for this trope, you face the BigBad at her full power and not only soundly defeat her, but also [[YouCantThwartStageOne completely foil]] [[AvertedTrope her plans]] and leave her at death's door. The second half of the game instead has her working to regain her power (by possessing Bowser's body) while devising a new plan.
324** ''VideoGame/MarioAndLuigiPartnersInTime'' has Petey Piranha, who has considerably more health than the previous bosses and whose defeat signifies the ([[FakeKing apparent]]) rescue of Princess Peach. Slightly later is the battle with [[MyFutureSelfAndMe Bowser and his Baby self]], which gets its own theme, is one of the tougher fights so far, is [[MirrorBoss a dark mirror of the Bros' fighting style]], and precedes the reveal that the Peach you rescued was Princess Shroob in disguise.
325** ''VideoGame/MarioAndLuigiBowsersInsideStory''
326*** The fight against the Alpha and Beta Kretin in Bowser's Flab Zone is a rather critical moment in the game, as it reunites the Mario Bros. with Peach, who reveals to them of the game's GreaterScopeVillain (the Dark Star), the history behind it, and Fawful's ultimate plan in utilizing the star itself.
327*** The later fights in the corrupted Peach's Castle also count as well. First is the Mario Bros' face-off against the game's GreaterScopeVillain, the Dark Star, in Bowser's airway system, prior to obtaining Bowser's [=DNA=] and becoming an incomplete version of Dark Bowser. Second is the last Giant Bowser Battle against the monstrous Peach's Castle's robotic form (controlled by Fawful himself). And finally, is Bowser's face-off against the game's BigBad, Fawful, now souped up as Dark Fawful. All of this is preceded by Dark Fawful's second form merging with Dark Bowser to form the game's FinalBoss.
328** [[DualBoss Bowser Jr. and his paper self]] are this in ''VideoGame/MarioAndLuigiPaperJam''.
329** ''VideoGame/PaperMarioTheThousandYearDoor'' has Magnus von Grapple 2.0, who is TheDragon to the main villain, is a recurring boss, is fought in the main villain's hideout after so much hype and build-up, and some of the highest stats in the game, only being beaten out by a few other bosses.
330** ''VideoGame/SuperPaperMario'' does this twice with Mr. L who easily eclipses all other bosses as the most personal to the heroes (being a corrupted Luigi brainwashed by Nastasia). Mr. L is first introduced at the end of Chapter 4 (basically the game's midpoint), and it really shows when he fights like a dark counterpart to the heroes (one of his attacks has him ''healing'' with a Shroom Shake), and his second part with Brobot having absurdly high HP at 255 (though it can quicky be destroyed by spamming Squirps' boosted powers). Mr. L then causes more trouble again by fighting the heroes with his Brobot L-Type in the game's WhamEpisode (after Sammer's Kingdom is destroyed), to which defeating him leads to a series of events further shaking up the heroes (courtesy of Dimentio).
331* ''VideoGame/TalesSeries'':
332** ''VideoGame/TalesOfTheAbyss'' has [[spoiler:Van. While the party defeats him, it's a fake ending]].
333** ''VideoGame/TalesOfBerseria'' has the HopelessBossFight against [[spoiler:Innominat]], which starts Velvet's ''massive'' HeroicBSOD and sets the tone for the second act of the game.
334** ''VideoGame/TalesOfGraces'' continues the tradition with [[spoiler:Emeraude]], who is both this and ThatOneBoss.
335** ''VideoGame/TalesOfLegendia'' has Vaclav, after which point the true face of the game starts getting turned on its head, the invasion subplot is dropped, and the story focuses more on an ApocalypseMaiden.
336** ''VideoGame/TalesOfSymphonia'' 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 [[HopelessBossFight all but unbeatable]]: [[spoiler:Remiel, Kratos, Yggdrasill]]; two in a row: [[spoiler:Pronyma, Yggdrasill]]; two in a row: [[spoiler:Kratos, Origin]].
337** ''VideoGame/TalesOfSymphoniaDawnOfTheNewWorld'' has Commander Brute, the [[spoiler:apparent]] leader of the Vanguard [[spoiler:and Marta's father]].
338** ''VideoGame/TalesOfVesperia'' has [[spoiler:Barbos]] for the end of Part 1 and [[spoiler:Alexei]] for the end of Part 2.
339** ''VideoGame/TalesOfXillia'' ''really'' liked this trope, having not one but ''four'' of these, due to multiple characters competing for the role of the main villain. First is [[spoiler:King Nachtigal]], who turns out to just be the DiscOneFinalBoss. Then comes [[spoiler:Gaius]], who also doubles as an open-ended boss (you can either win or lose). Then comes the battle against [[spoiler:Gilland and Celsius]], which wraps up of the main conflict of the game up to that point. And finally, the battle with [[spoiler:the real Maxwell]], which starts off as a HopelessBossFight but then becomes winnable.
340*** In ''VideoGame/TalesOfXillia2'', it's [[spoiler:Victor]], who's ''definitely'' ThatOneBoss.
341* Archos in the single-player campaign of ''VideoGame/TelepathTactics''. Unlike previous bosses, he is an established character, and one of the major players in the central conflict: this is the first time you're fighting someone directly affiliated with the mining company, rather than one of their patsies.
342* In ''VideoGame/{{Terranigma}}'', the fight against Dark Morph marks the end of the second chapter, and the revival of mankind, which sets up the rest of the game's plot.
343* ''VideoGame/TheTiamatSacrament'': Gyle as a strategy board boss is fought right after a rather complex revelation. [[spoiler:First, Kelburn betrays the party to Ry'jin and reveals that he was spying on the Saphirites for the villains' behalf. Then he frees Az'uar and reveals he had to play along with the villains in order to steal the sixth Soul Gem from under Ry'jin's nose. The two then have to rescue Xandra and team up with the remaining Saphirites to drive Gyle's forces out of town.]]
344* ''VideoGame/UncommonTime'' has three, one for each chapter.
345** Though it's a GiantSpaceFleaFromNowhere, the Winterspirit, fought at the end of Movement 1 immediately after [[spoiler:the World Tuning fails]], definitely fulfills the role.
346** [[spoiler:Teagan]], fought at the end of Movement 2.
347** The Herald of Winter, fought at the end of Alto's VisionQuest. It represents [[spoiler:Alto's subconscious hatred and desire to destroy the world]]. If you lose, you're treated to a NonStandardGameOver where [[spoiler:the Herald dominates Alto's personality and ushers in an ice age that will destroy civilization]].
348* In ''VideoGame/{{Undertale}}'', Undyne is fought at the end of Waterfall, a backstory-dense level which reveals much about the Underground and its history. She will also make explicit the consequences of your chosen playstyle in her pre-battle speech; on a Pacifist route, she mentions her surprise that a human would be so non-violent and mock you for it, on the Neutral route, she'll remember the names of all the monsters you've killed (changing her speech entirely if you've killed [[spoiler:Papyrus]]), and on a No-Mercy route, [[spoiler: after being mortally wounded, she'll realize that you're out to kill humans and monsters alike, transforms herself into Undyne the Undying, and give you your first real challenge of the run.]]
349* Selvaria in ''VideoGame/ValkyriaChronicles'', 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.
350* Selvaria in ''VideoGame/ValkyriaChroniclesIII'', because The Nameless is supposed to assassinate Prince Maximilian. Turns out she's the reason why nobody else tried doing this! [[spoiler:And then things goes downhill from there, with The Nameless branded as traitors and Gusurg missing, only to turn out to have switched sides.]]
351* ''VideoGame/AVeryLongRopeToTheTopOfTheSky'' has multiple. [[DualBoss Archbishop Gebhart and the Judgment]] are particularly notable, as they mark the end of the childhood arc. The [[RecurringBoss third]] fight against Rutger also counts, as it involves taking down a long-term villain who presents a major threat to the world. [[spoiler:Oliver]], fought during [[spoiler: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 ([[ThatOneBoss and difficult]]). All of these get special BattleThemeMusic, too.
352* ''VideoGame/WildArms'': Vinsfeld Rhadamanthus, BigBad of the first half of ''VideoGame/WildArms2'', is fought at the transition point between the two halves of the game. Bucks tradition by including major plot points immediately after his boss fight, rather than before.
353%%** Mother in ''VideoGame/{{Wild ARMS 1}}''.
354%%** Ziekfried in ''VideoGame/{{Wild ARMs 3}}''.
355* ''VideoGame/XenobladeChronicles1'': Two instances.
356** The rematch with Metal Face at Prison Island, approximately halfway through the game. Shulk's [[CoolSword Monado]] is finally upgraded to be able to hurt Metal Face, [[WhamEpisode a number of important characters are either killed off or revealed to still be alive]], and the aftermath of the fight completely changes Shulk's motivations going into the second half.
357** The battle against Egil in the Heart of Mechonis, about three-quarters of the way into the game, after which the major plot shake-up happens. Egil is attempting to destroy the Bionis (and will, if you fail to stop him in time), and he represents the climax of almost all of the build-up, even from the beginning of the game.
358* The chapter-based structure of ''VideoGame/XenobladeChronicles2'' results in every chapter boss corresponding with a major shift in the story and a {{cliffhanger}}, but its most prominent example is the fight with [[spoiler:Praetor Amalthus]] at the end of Chapter 9. While unusually late, [[spoiler:Amalthus]] had been a constant presence in the story since Chapter 5 and by this point has been outed as the direct cause of every major conflict in the game. His fight leads to the deaths of several key characters, re-contextualizes his actions in earlier chapters, and directly precedes the ''very'' twist-heavy final chapter.
359* Like the previous game, ''VideoGame/XenobladeChronicles3'' has one roughly at the end of every chapter, corresponiding with a major plot development. Special mention, however, goes to the boss fight at the ''begining'' of Chapter 6, coming right off the heels of the [[WhamEpisode shocking revelations]] of Chapter 5, against Consul N and [[spoiler: the false Queen of Agnus]]. In addition to piling on even more plot twists, by the time things calm down, the heroes have learned about the BigBad and a lead on how to confront him and [[spoiler: Mio's impending death, an issue that had been hanging over the party's heads for the whole game up until that point, is no longer an issue]], meaning the heroes are now free to start looking for a way to take the fight to their enemies.
360* ''VideoGame/ZweiTheIlvardInsurrection'' has 3, all centered around [[spoiler:Thermidor and Exmachina]] in some way.
361** The fourth boss fight, against [[spoiler:Thermidor's familiar]], Fafnir, not only has him reveal his true colors as a demon, but also [[spoiler: implies that he was responsible for Ragna's DarkAndTroubledPast.]]
362** The first encounter with the BigBad, Marquis Zahar, is just a HopelessBossFight, but it also reveals [[spoiler: Exmachina, the doll-like girl who works for Zahar, is actually his sister Mia, who went missing for seven years. Worse, she refuses to acknowledge Ragna as her brother, insisting he got the wrong person.]] Ragna is so heartbroken over this that he goes into a long period of HeroicBSoD until the attack on Starfall Hamlet.
363** The scenes after the final fight against Zahar reveals [[spoiler:[[TheChessmaster Thermidor]] as TheManBehindTheMan to Zahar. He admits to reviving him just to retrieve the Demon Lord Lucian's [[SealedEvilInACan sealed powers]] from Luna Mundus as he [[YouHaveOutlivedYourUsefulness strikes the killing blow to him.]] Not only that, it is also revealed that Mia was the reincarnated soul of Lucian.]]
364[[/folder]]
365
366[[folder:Shoot 'em Up]]
367* ''VideoGame/BattleGaregga'' has Black Heart at the end of Stage 5 (of 7), which comes at the end of a stage with [[BossRush a couple revived bosses in between]] and is by far the hardest boss at this point due to a combination of tricky attacks and [[DamageSpongeBoss having only one part with a ton of hit points]] rather than a "core" and individually-destructible components like all previous bosses, ensuring that the player can't weaken its attacks before going in for the kill. After Black Heart is defeated, the player then proceeds into the enemy base.
368* The penultimate boss of ''VideoGame/{{Einhander}}'', Schwarzgeist. Defeating this boss leads right into the game's WhamEpisode.
369* ''VideoGame/{{Gradius}} V'' has Elephant Gear, a massive SpiderTank that must be dealt with by flying around its legs and destroying all of its cores, or [[HoldTheLine by waiting for it to walk away]]. A cutscene follows after the battle, showing [[spoiler:that the Vic Viper we were playing as is our future self that is seen in the beginning of Stage 2, since it [[TimeTravel time-traveled]] to the past to destroy the giant battleship that serves as the 8th and final stage, which can only be destroyed with two ships.]]
370* ALLTYNEX OS from ''VideoGame/{{Kamui}}'' is probably the game's most important boss fight, but there's still the Adjudicator to fight after it.
371* In ''VideoGame/PanzerDragoon Orta'', before Orta and her dragon take on the Dragonmares and [[BigBad Abadd]], they must face TheEmpire's greatest creation: [[HumongousMecha The Imperial Defense Unit Bacharsuha]], a towering mecha that is fought near the end of the game. It's a brutally hard boss fought in an epic battle, it has plenty of nasty attacks, like firing a [[MacrossMissileMassacre barrage of missiles]] or a WaveMotionGun, and its destruction [[spoiler:marks the end of The Empire and its emperor's life]].
372* Dread Bomber in ''VideoGame/{{Raiden}} II'' is the last boss before you go into space, has [[SequentialBoss four forms]], and is considerably harder than previous bosses.
373* ZODIAC Virgo from ''VideoGame/RefleX''. Ever since this mechanical terror destroyed the Human-Type Cancer, it's inevitable that the player has to fight it later on, resulting in one of the [[SequentialBoss longest boss fights in the game]] besides [[FinalBoss ZODIAC Libra]]. [[spoiler:It destroys the Phoenix and kills its pilot, only for the ship to resurrect as ZODIAC Ophiuchus.]]
374* ''VideoGame/ThunderForce'' has the [[https://www.youtube.com/watch?v=GLJkCwHw5Wo Vasteel Original]] from V, which happens to be [[PreviousPlayerCharacterCameo the resurrected Rynex]] from the previous game, and which was discovered by Earth and its technology reverse-engineered for great gain until an A.I. based on it went haywire and turned against humanity. The boss theme, "Duel On Top" is a [[DarkReprise remix]] of IV's intro theme.
375* ''VideoGame/SolCresta'' has the Stage 5 boss, Shadow Mandler, piloted by [[TheDragon Chandor]].
376[[/folder]]
377
378[[folder:Stealth-Based Game]]
379* ''VideoGame/AssassinsCreedII'' has the first fight with Rodrigo Borgia. Especially once [[spoiler:the other Assassins arrive]].
380* ''VideoGame/AssassinsCreedIII'' has Connor against [[spoiler:his father Haytham]], mainly since he's a far more effective swordsman than any other enemy in the game and requires a [[PuzzleBoss specific move to beat him]]. He actually feels more like a final boss than the [[AntiClimaxBoss actual]] [[CutsceneBoss final boss.]]
381* ''VideoGame/AssassinsCreedValhalla'' has Paladin Fulke, [[spoiler: also known as The Instrument in the Order of the Ancients.]] It becomes a GondorCallsForAid moment as all of the allies Eivor's racked up to that point when they go after her, not to mention it's very personal for them since she's not only held their brother Sigurd in captivity for days on end... [[spoiler: but has also cut off his arm and left it as a souvenir for them to find.]]
382%%* Father Dagon from ''VideoGame/CallOfCthulhuDarkCornersOfTheEarth''.
383* ''VideoGame/{{Dishonored}}'' has [[spoiler: Daud]] only halfway through the Flooded District, who serves as a MirrorBoss and is far more difficult and personal than any other target in the game. He's not the final target, nor even the last boss in his level, but facing off against him and his assassins (and proving you're better than any of them) is certainly a high point.
384* ''VideoGame/HitmanAbsolution'' has both [[PsychoForHire Wade]] and [[DirtyCop Sheriff Skurky]] who act as CoDragons to [[BigBad Blake Dexter]], both are fought at the end of the most unpleasant levels in the game (Rosewood where Wade killed all of the staff, and the town of Hope being invaded by the ICA), they cap off the first and second arcs of the game, and they are both fought with Point Shooting unlike the other targets (though Wade can be killed by other means).
385* The Hind-D gunship, piloted by the BigBad, in the original ''VideoGame/MetalGearSolid''.
386** Colonel Volgin and the Shagohod in ''VideoGame/MetalGearSolid3SnakeEater''.
387** The fight against Metal Gear Ray in ''VideoGame/MetalGearSolid4GunsOfThePatriots''.
388** Cunningham in ''VideoGame/MetalGearSolidPortableOps''.
389** Metal Gear Sahelanthropus in ''VideoGame/MetalGearSolidVThePhantomPain'', who also serves as the FinalBoss of Part 1.
390[[/folder]]
391
392[[folder:Strategy Game]]
393* ''VideoGame/CryingSuns'' has two such bosses, both of which come ''before'' a major plot revelation rather than after.
394** General Vivar comes right before your encounter with [[spoiler:the Strand A Idaho]], who brings you up to speed on all the dirty secrets your [=AI=] companion Kaliban has been keeping from you.
395** The boss of Chapter V, Admiral Okonkwo, comes right before your meeting with [[TheEmperor Oberon]], where you finally learn who caused the Shutdown and lock yourself into one of the game's multiple endings.
396* In the ''Franchise/FireEmblem'' series:
397** ''VideoGame/FireEmblemTheBlazingBlade'':
398*** Lundgren is the final boss of Lyn's story arc, has newly-introduced battle music, is the first character in the game to wield Silver-grade weaponry, and is far more statistically imposing than the bosses before him.
399*** The main story has Marquess Darin of Laus and Sonia Reed. The latter is, bizarrely, completely optional.
400** ''VideoGame/FireEmblemTheSacredStones'' has: Tirado, Carlyle (Eirika's route), [[spoiler:Vigarde]] (Ephraim's), [[spoiler:Orson]], and [[spoiler:Lyon]].
401** The Black Knight/[[spoiler:General Zelgius]] from both ''VideoGame/FireEmblemPathOfRadiance'' and ''VideoGame/FireEmblemRadiantDawn''.
402** ''VideoGame/FireEmblemAwakening'' has three, each accompanied by a common boss battle theme: Gangrel at the end of the first act, [[spoiler:Walhart]] at the end of the second act, and [[spoiler:Validar]] just a few chapters before the end of the game.
403** ''VideoGame/FireEmblemFates'' has three, depending on which route you're playing, all against someone the Avatar cares for. In ''Birthright'', it's Xander [[spoiler: who forces the Avatar into a final duel after Elise [[HeroicSacrifice is killed defending them from Xander's attack]], but it's really so he can commit SuicideByCop by letting the Avatar kill him.]] ''Conquest'' has Ryoma [[spoiler: who has just been led to believe that the Avatar has killed Hinoka and is overcome with rage; unlike Xander in ''Birthright'', Ryoma really is fighting to kill his sibling, though he'll wait at least twenty-five turns before he makes his attack.]] ''Revelations'' meanwhile has [[spoiler: Gunter, after his status as TheManchurianAgent for Anankos and the murderer of Scarlet is revealed and he attacks the Avatar's forces with an army of Vallite soldiers.]] The first two are also examples of [[DuelBoss duel bosses]] since Xander and Ryoma will separate the Avatar from their forces for the fight (though it's possible-almost mandatory in Ryoma's case-for them to reach the Avatar in time).
404** ''VideoGame/FireEmblemThreeHouses'' has the final battle of Part I. It's a dramatic battle where the Flame Emperor shows off all of their true power and launches a full invasion of Garreg Mach Monastery, epic music that is exclusive to this chapter in the main story plays, and pretty much every major antagonist up to this point converges in this fight. [[spoiler:It's also notable in that if you're a Black Eagle and attended Edelgard's coronation in the previous chapter, you can defect to her side and fight alongside her in this battle instead of against her, making Rhea the Climax Boss in her stead.]]
405** In ''VideoGame/FireEmblemEngage'', after fleeing from Zephia and the Four Hounds of Elusia and having your Emblem Rings stolen, you face them again in Florra Town (the first area you visit in the game after leaving the Somniel), except [[spoiler:Veyle's SuperpoweredEvilSide]] ordered the nearby port town to be burned to the ground. Along with [[spoiler:King Hyacinth being revived as a Corrupted]], their side still has the original six Emblem Rings, but your side has the other six, and the battle erupts into a furious clash of wills to determine which side takes the advantage in the war. You also learn before the battle that [[spoiler:Zephia created Veyle's "evil" personality to ensure she remained Sombron's perfect killing machine]].
406* ''VideoGame/GalaxyAngel'' -- the first fight with Noa in the Black Moon's core.
407* The [[Anime/TengenToppaGurrenLagann Grand Zamboa]] in ''[[VideoGame/SuperRobotWarsZ 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.
408* ''VideoGame/XCOM2'' has an Avatar, the strongest unit in the alien army, who emerges during normal missions once the proper conditions are met late in the game. After the Avatar is destroyed, the alien Elders begin to ramp up their plans for humanity, hurtling the game into the grand finale.
409[[/folder]]
410
411[[folder:Survival Horror]]
412* ''VideoGame/CryOfFear'' has [[spoiler:Doctor Purnell]]. After spending much of the game having your efforts at escaping the haunted Stockholm being stymied by him, you finally confront him in the attic of a mental asylum. Since all of the enemies you've fought so far are near-mindless abominations attacking you with whatever they have on hand and no sense of self-preservation, his fighting style is noticeably distinct by way of being another living human who has both a gun ''and'' the sense to take cover. [[CueTheSun The sun finally rises]] after you beat him as well, and though you still have a few monsters to fight before the ending, the last stretch of the game has a distinctly different tone from the rest.
413* So you've rang the bell tower in ''VideoGame/ResidentEvil3Nemesis'' and Jill declares "[[TemptingFate it's finally over]]" as the rescue helicopter descends. [[RecurringBoss Nemesis]] has other plans: he shoots down the helicopter, infects Jill with TheVirus, and it's the first time in the game you're actually forced to stand your ground and fight (either as the sick and dying Jill or [[BigDamnHeroes as Carlos]]). Cue a two day time skip, the game is far from over, and now Jill and Carlos are stuck in their DarkestHour.
414* ''VideoGame/SilentHill2'' has [[spoiler:[[FromNobodyToNightmare Eddie Dombrowski.]] His boss fight accompanies TheReveal of Silent Hill as a GeniusLoci, his death is an emotional turning point for James, and immediately after is [[TheVeryDefinitelyFinalDungeon the Lakeview Hotel.]]]]
415** ''VideoGame/SilentHill3'' has the [[spoiler:Memory of Alessa]], at the conclusion of the very same amusement park Heather dreamed of in the opening. Bracketed with plot revelations galore, it's a multi-part fight against an increasingly-dangerous enemy which ultimately symbolizes Heather's will to survive, no matter how hard things get. [[spoiler: This separates her from Alessa, whose final message is about her giving up. Heather even notes, 'We're not that alike after all.']]
416[[/folder]]
417
418[[folder:Third-Person Shooter]]
419* [[TheDragon Skorge]] in ''VideoGame/GearsOfWar2.''
420* The Lupino Showdown from the original ''VideoGame/MaxPayne'', 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.
421* ''VideoGame/SinAndPunishment'':
422** The battle against Kachua, which actually shares its battle theme with the final boss, and where Saki first transforms into a monster.
423** 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.
424* ''VideoGame/SpecOpsTheLine'': Right between [[spoiler: Lugo's]] death and [[spoiler: Adam]] staying behind for a LastStand near the end of the game, Captain Walker has to fight [[spoiler: a hallucination of Lugo, who is programmed as a [[EliteMook Heavy]] with far more health.]]
425%%* ''VideoGame/StarFox64'' has the Star Wolf fight on Fortuna/Fichina. The other two fights are fought too late to be considered this.
426[[/folder]]
427
428[[folder: Visual Novels]]
429* ''VisualNovel/DanganronpaTriggerHappyHavoc'' has the culprit of the 3rd case, [[spoiler: Celestia Ludenberg]]. The case is an extremely complex one involving a double murder, an obfuscated timeline, and a FrameUp on another student, and it's also the last case where the Killing Game was being played properly; [[spoiler: The fourth case turns out to be SuicideNotMurder, the fifth case was a frame job by the Mastermind (the "victim" having actually died earlier), and the sixth case directly confronts the Mastermind.]]
430[[/folder]]
431
432!!Non-video game examples:
433
434[[folder:Anime & Manga]]
435* ''Manga/AttackOnTitan'' has plenty of these, for each arc and the entire series as a whole.
436** For the Battle of Trost arc, it's Eren's first bout against the Colossal Titan after seeing him for the first time in 5 years (coupled by the titan itself once again breaching the Walls, this time for the Trost District). This is prior to Eren unlocking his Attack Titan form and using it to seal the breach to prevent incoming Pure Titans from invading (the Pure Titans themselves become the ClimaxBoss for Season 1).
437** For the Female Titan arc, the titan does this to herself in her first bout against Eren, to which Eren faces her in rage after she wipes out Levi's Squad (sans Eren and Levi themselves). This is prior to the titan revealing herself to be Annie Leonhart, one of the graduates of the Training Corps and a member of the Military Police.
438** For the Clash of Titans arc (and Season 2 of the anime), it's Reiner and Bertolt — who reveal themselves to be the Armored and Colossal Titans respectively. While the Survey Corps are occupied with the Colossal, Eren faces Reiner in their titan forms in a fit of rage after years of being deceived. Eren eventually loses due to Bertolt's intervention, and the last part of the arc/season has the Survey Corps rescuing Eren — culminating in Eren's encounter with the Smiling Titan.
439** For the Royal Government arc, Kenny Ackerman and the Anti-Personnel Control Squad become this, being the Survey Corps' {{Evil Counterpart}}s (Kenny himself being one to Levi) and the biggest threats to the protagonists'. While they eventually are defeated and retreat, Rod Reiss (the true leader of the walls) becomes the FinalBoss after consuming part of the Titan serum to become a 120m titan. Rod himself becomes a ClimaxBoss for the Season 3 anime and the entire series pre-Time Skip, as his defeat marks the end of the corrupt Walled government and the Survey Corps gaining hope for the first time in years.
440** The Return to Shinganshina arc has Eren's second bout with Reiner, this time taking him down with ease given Eren's improved skill and the Survey Corps' use of the Thunder Spear. All of this preludes Bertolt's transformation and the Beast Titan entering into the playing field as a threat. The three warriors themselves, particularly their [[BigBad War Chief Zeke]] become this for the ''entire'' franchise as defeating them means putting an end to the Paradis Island Operation and realizing the true threat beyond the walls.
441** Eren's bout against the War Hammer Titan (Lara Tybur) becomes this for the series post-Time Skip, as all of this preludes Eren's descent to villainy against the protagonists and the rise of the Yeagerists.
442** Whichever side your on, Eren, Zeke, the Yeagerists, and the Paradis Military against the forces of Marley become this for the War for Paradis arc. This is the battle that kicks off the Rumbling, setting in motion for the series' FinalBoss — Eren himself.
443* ''Manga/DemonSlayerKimetsuNoYaiba'':
444** Hantengu, Upper Rank 4 of the Twelve Kizuki and one of the {{Arc Villain}}s of the Swordsmith Village Arc, is the last opponent faced before [[spoiler:Nezuko [[RemovedAchillesHeel becomes immune to sunlight]], and after the Hashira Training Arc, [[BigBad Muzan Kibitsuji]] arrives with [[BigGood Kagaya]] [[HeroicSacrifice sacrificing himself]], leading to the events of the Infinity Castle Arc where the Demon Slayer fight against the remaining members of the Twelve Kizuki]].
445** Kokushibo, Upper Rank 1 of the Twelve Kizuki and TheDragon to Muzan, serves as this to the Infinity Castle Arc. The fight against him reveals key elements of the series lore, and it also marks the ending of the Twelve Kizuki, who had been the most prominent antagonist up to that point. Suitably, once Kokushibo is defeated, Muzan himself takes center stage.
446* In ''Manga/HollowFields'', [[TheRival Summer]] [[AlphaBitch Polanski]] serves this role [[spoiler:with her DeathTrap]]. After two volumes of [[KickTheDog tormenting Lucy Snow]] and indirectly threatening her with detention, she makes the decision to [[MoralEventHorizon go all the way]] and [[spoiler:outright attempt to kill her]]. Escaping this situation requires Lucy to [[FinalExamBoss use the skills she learned up to this point]], as well as [[FireForgedFriends team up with Claude]] and [[IndyPloy act on the fly]]. She then goes on to confront the BigBad in Volume 3.
447* In ''Anime/KillLaKill'', [[spoiler: Nui Harime]] is first fought immediately after revealing that [[spoiler: she was [[YouKilledMyFather Isshin's killer]]]].
448* ''Manga/OnePiece''
449** Arlong serves as this for the East Blue saga, the first major saga of the series. He's Nami's Arch-Enemy and the primary driving force of many of her actions since she first met Luffy and Zoro, and he's also the strongest pirate in the East Blue. On top of giving Luffy a more difficult fight than any other previous antagonist, his defeat causes Luffy to receive his first bounty and fully establishes the Straw Hats as the strongest pirate crew in their home sea, signaling that there's nothing left for them to do there and that they're ready to enter the Grand Line.
450** While the series has continued long since his defeat, the Alabasta arc, and Crocodile's defeat at Luffy's hands, actually kicked off a lot of the major events that are still transpiring in the manga, such as the first shakeup in the Seven Warlords which helped propel Luffy into notoriety, [[spoiler:enable the rise of a potential BigBad of the series, and the eventual termination of the Warlord system with its own ramifications.]]
451** Donquixote Doflamingo's final battle with Luffy goes in four stages (Fight with Luffy & Law, dealing with both Luffy and Law separately at [[SelfDuplication the same time]], battle with Luffy across Dressrosa, RaceAgainstTheClock final showdown) which took over 30 chapters, with him being the first to push Luffy to his limits post-Timeskip, and signifying that the New World is only going to get more challenging from then on. Doflamingo himself seems to have regarded himself as the "gatekeeper" keeping all the major players in check, with it only going to be total chaos once they collide with him gone. He also marks the final instance where a Warlord is the BigBad of an arc, after this point, the paradigm shifts to the Straw Hats and their allies fighting the Emperors and the World Government, and the Warlords are relegated to mostly secondary antagonists.
452** Charlotte Katakuri is ''highly'' formidable compared to the rest of the Big Mom Pirates -- we're talking as bad as [[AxCrazy Jack]], if not '''worse.''' In fact, he is the biggest threat aside from Big Mom in the whole Totto Land Arc, who only comes into the foray when the tea party commences, [[KnightOfCerebus but from that moment on, he is shown racking up a body count with no effort and bringing an incredible sense of danger along with him]] and being the one person who is able to assist his ''entire'' family at once when they are incapacitated. His Climax Boss status was cemented in Chapter 878 when Luffy forced him into a mano o mano confrontation to cut off his pursuit of the Straw Hat Pirates.
453** Kaido's one of the most prominent, powerful, and influential villains of the series, with multiple antagonists pre- and post-TimeSkip either serving him directly (Jack was sent by him to Zou and Orochi gained Power with his help), answering to him as they do business together (Caesar and Doflamingo via the SMILE fruits), allying with him to save their own skin (Drake, Hawkins, and Apoo), or in some way being personally affected by his actions (Moriah's zombie army is a direct consequence of Kaido killing his crew). By the end of Wano, alongside Big Mom, his defeat is what truly begins the final saga of the series, as it definitively kickstarts the DawnOfAnEra that will change the world forever.
454* ''Anime/PuellaMagiMadokaMagica'' has Oktavia von Seckendorff, [[spoiler:Sayaka's Witch form]]. Her arrival in the story reveals the final AwfulTruth about becoming a Magical Girl [[spoiler:(Magical Girls are doomed to turn into Witches and they can't be changed back)]] and the fight against her and its conclusion [[spoiler:(Kyoko performing a MutualKill against the Witch as [[MercyKill an act of mercy to Sayaka]] and so she doesn't die alone)]] leads the story to its DarkestHour before the next episode reveals Homura's origin as a Magical Girl.
455[[/folder]]
456
457[[folder:Fan Works]]
458* [[spoiler:Grand King Ghidorah]] in ''Fanfic/TheBridge''. Nearly everything bad in the series can be tracked back to him in some fashion [[spoiler:(he's in part responsible for Bagan in the first place, caused Monster X and the evil Xilians to exist, and a number of other things),]] and his fight marks the Godzilla family finally mending and uniting together against a single threat.
459* Chapter 4's culprit, [[spoiler:the Ultimate Luchador, Tetsuo Garcia]], in ''Fanfic/DanganronpaKommSusserTod'', who had been established to be a potential threat to the group since Chapter 1 and its revelation that [[spoiler:he is [[VisualNovel/Danganronpa2GoodbyeDespair Sparkling Justice]]]], and him deciding to be DefiantToTheEnd leads to both Monokuma's VillainousBreakdown and another student exposing the Ultimate ???'s talent to prevent the survivors from uniting, setting the stage for the last two chapters.
460[[/folder]]
461
462[[folder:Film -- Animation]]
463* Dreamworks films
464** ''WesternAnimation/{{Megamind}}'': Megamind and Metro Man have been at constant odds against each other for many years, but it seemingly reaches to an end when Megamind uses his death ray to successfully kill Metro Man. However, Megamind becomes bored and feels a sense of emptiness without a nemesis; as such he secretly creates a new superhero through Hal/Tighten. [[spoiler:Except Tighten becomes a far bigger threat to Metro City that Megamind ever was, forcing Megamind to make a HeelFaceTurn and stop him]].
465** ''WesternAnimation/MonstersVSAliens'': The HumongousMecha summoned by Gallaxhar proceeds to wreck havoc on San Francisco, but is defeated by the combined efforts of the monsters at the Golden Gate Bridge. However, this is just one probe defeated, as Gallaxhar proceeds to launch a full-scale invasion.
466** ''Franchise/{{Shrek}}'':
467*** ''WesternAnimation/Shrek1'': The Dragon, being the guardian of the castle imprisoning Princess Fiona; Shrek is tasked by Lord Farquaad to rescue Fiona in exchange for getting the exiled Fairy Tale creatures away from Shrek's swamp. Shrek does just that, but in a BaitAndSwitch, Farquaad is revealed to be the BigBad wanting to be king of Duloc by marrying Fiona and maintaining an oppressive rule over the creatures, whereas the Dragon eventually reforms after falling in love with Donkey.
468*** ''WesternAnimation/PussInBootsTheLastWish'': The battle between Puss in Boots and the Wolf atop the Wishing Star serves as the climax of Puss' CharacterDevelopment. [[spoiler:Having learned the Wolf is [[TheGrimReaper Death itself]] coming for him after wasting eight of his nine lives, Puss reflects on his journey and gains a new respect for life and death, managing to fight the Wolf to a draw and earning the chance to live his last life well]]. Jack Horner, who wants to use the Wishing Star to steal all of the world's magic, serves as the film's FinalBoss.
469* Pixar films
470** ''Franchise/ToyStory''
471*** ''WesternAnimation/ToyStory2'' has the Emperor Zurg toy from Al's Toy Barn, which was sort of [[{{Foreshadowing}} foreshadowed]] in the opening scene where Rex fails to defeat his in-universe video game-counterpart; he hinders the toys' progress in trying to pursue Al [=McWhiggin=] in taking Woody to Japan. As a matter of fact, Rex uses [[ChekhovsSkill what he learned]] [[ChekhovsGun from the game]] to defeat him!
472*** ''WesternAnimation/ToyStory3'' has both the cymbal-banging Monkey (who acts as Lotso's surveillance operator monitoring the security cameras and arguably the biggest threat warned by Chatter Telephone in Andy's toys' attempt to escape) and Demo-Mode Buzz Lightyear (who is easily among the most personal of Lotso's minions, being Andy's Buzz Lightyear brainwashed). Both of the toys' defeats result in a much easier time for the toys' escaping.
473** ''Franchise/MonstersInc''
474*** ''WesternAnimation/MonstersInc1'' has Sulley and Mike's epic chase/showdown against Randall Boggs in the Door Factory, concluding with Boo beating up the reptilian monster and Sulley banishing him into the human world. That leaves only Mr. Waternoose for Mike and Sulley to deal with.
475*** ''WesternAnimation/MonstersUniversity'' actually does this twice. The first is the monstrous librarian in the second game, in which Oozma Kappa successfully escape from — with Squishy obtaining the flag in the process. This leads to a series of events where the Oozma Kappa's are subjected to a cruel prank, visit the Monsters Inc. facility after going through a HeroicBSOD, and needing the motivation to advance further into the Scare Games. This eventually leads to the climatic Scare Simulator showdown between Oozma Kappa and Roar Omega Roar, particularly Mike's face-off with Johnny Worthington. Mike seemingly makes the game-winning scare to grant Oozma Kappa the championship, only for him to find out that Sulley tampered with the settings, resulting in Mike escaping to the human world to prove himself.
476** ''WesternAnimation/FindingNemo'' has a boatload of obstacles that Marlin and Dory must navigate to reach Nemo, but none more significant than finally reaching the Dentist's office, where Marlin, Dory, Nigel, and the rest of the Tank Gang work together to save Nemo from Darla and P. Sherman, and get Nemo back to the ocean. They ultimately succeed, with Marlin, Nemo, and Dory having a happy reunion before a group of fisherman stir up conflict once again as the FinalBoss.
477** ''Franchise/TheIncredibles'' franchise:
478*** ''WesternAnimation/TheIncredibles1'' has Mr. Incredible's bout against the Omnidroid 8, to which upon defeat it ushers in newer motivation for the superhero himself — at least prior to encountering Syndrome.
479*** ''WesternAnimation/Incredibles2'' has Elastigirl's bout against the Screenslaver, [[spoiler:who is later revealed to be a brainwashed pizza deliveryman acting as the face of a grander scheme. And sure enough, Elastigirl eventually finds out that Evelyn Deavor, the co-CEO of [=DevTech=] is the true mastermind behind the story's main conflict]].
480** ''WesternAnimation/{{Ratatouille}}'' has Chef Skinner, who attempts to render Auguste Gusteau's will (of having Linguini take over the restaurant) moot just so he can maintain power in the restaurant and continue his line of frozen foods despite Gusteau's itself experiencing a renaissance from Linguini himself (secretly controlled by Remy). Remy successfully gives Linguini the will after an epic chase sequence from Skinner, which results in Linguini becoming the restaurant's new owner and Skinner's firing. [[spoiler:However, the recent success of Gusteau's gets the attention of Anton Ego, the food critic responsible for the restaurant's downfall, who returns once again to test the protagonists if they can appeal his taste buds]].
481* ''WesternAnimation/TheSuperMarioBrosMovie'': The [[spoiler:Blue-Shelled]] Koopa General leads the charge against the heroes in Rainbow Road as they try to make their way back to the Mushroom Kingdom. His kamikaze ultimately succeeds, as Mario and Donkey Kong sink and are eaten by the Maw-Ray, and the rest of their allies are captured by Bowser's Koopa Troop. This leads to the climax where Bowser attempts to marry Peach.
482[[/folder]]
483
484[[folder:Film -- Live Action]]
485* ''Franchise/DCExtendedUniverse'':
486** ''Film/BatmanVSupermanDawnOfJustice'': The much-hyped fight between Batman and Superman occurs; while Batman has the upper hand with the Kryptonian spear, Superman ends the fight reminding Batman of his past simply by coincidentally sharing their shared mothers' name. The whole time however, Lex Luthor was preparing his creating of Doomsday who is later unleashed after Superman makes it to him and Batman defeats Luthor's men.
487** ''Film/WonderWoman2017'': Erich Ludendorff is believed to be Ares, given he is the general of the German Army opposing Wonder Woman. Wonder Woman kills him, so the war should end right? Except Sir Patrick Morgan, the pacifist in the Imperial War Cabinet who ''allied'' with Wonder Woman is revealed to be Ares.
488* ''Film/TheLordOfTheRings'':
489** ''Film/TheFellowshipOfTheRing'': The Battle in the Mines of Moria become this, culminating in Gandalf's epic standoff against the Balrog. This becomes the start of the Fellowship's DwindlingParty, since Gandalf [[spoiler:seemingly]] sacrifices himself and does not appear in the rest of the film (which becomes a struggle against Saruman's forces).
490** ''Film/TheTwoTowers'': The FinalBattle in Helm's Deep and Isengard becomes this for the entire trilogy, as Saruman and his forces are effectively defeated — leaving only Sauron and Mordor left for the Race of Men to deal with.
491** ''Film/TheReturnOfTheKing'': The Battle of the Pelennor Fields with Sauron's army, commanded by the Witch-King of Angmar, against the forces of Gondor, Rohan, and the Army of the Dead. Not only does Sauron lose one of his deadliest servants, but this marks the beginning of hope for the race of Men, who later storm Mordor in an epic FinalBattle to distract Sauron's forces so that Frodo and Sam can cast the ring into the fire.
492* ''Franchise/MarvelCinematicUniverse'':
493** Phase One:
494*** ''Film/IronMan2'' has Tony against Rhodey who steals the Mark II armor as a means to restrain a drunk Tony Stark. This would be a critical moment for Rhodey as he would later upgrade the suit to become War Machine.
495*** ''Film/{{Thor}}'' has The Destroyer, who nearly kills the titular hero himself, only for him to be worthy of Mjolnir once again and gain back his power. The rest of the film has Thor's conflict against Loki who (temporarily) takes over Asgard during Odin's "Odinsleep"
496*** ''Film/CaptainAmericaTheFirstAvenger'' has Steve's first bought with Johann Schmidt, who reveals himself as the Red Skull by taking off his prosthetic face.
497*** ''Film/{{The Avengers|2012}}'' has Loki's brainwashed S.H.I.E.L.D agents (led by Clint Barton) hijack the Hellicarrier, leading to a series of conflicts such as Banner "hulking out", Barton vs. Romanoff, and Coulson's death, the last of which becomes the motivation to unite the heroes against Loki.
498** Phase Two:
499*** ''Film/IronMan3'': Because "The Mandarin" is nothing more than a washed-up actor who is ''way'' out of the heroes' league, the fight against Aldrich Killian's [[TheDragon Dragon, Eric Savin]] becomes this — as Savin himself is killed and Stark saves the Air Force One passengers, but President Ellis is kidnapped with Rhodey's Iron Patriot armor stolen.
500*** ''Film/ThorTheDarkWorld'': Thor and Loki vs. Malekith's [[TheDragon Dragon, Kurse]] who seemingly kills Loki, motivating Thor to stop Malekith from bringing the Nine Realms into darkness.
501*** ''Film/CaptainAmericaTheWinterSoldier'' has Captain America's first fight with the Winter Soldier, who reveals himself as Bucky Barnes to Rogers's shock.
502*** ''Film/AvengersAgeOfUltron'' has Stark using the "Veronica" against a brainwashed Hulk, who rampages around Johannesburg. This becomes a contributing factor to the Hulk being labeled as a monster and forcing the Avengers to go into hiding in the Barton household.
503*** ''Film/AntMan1'' has the Good vs. Good situation with Ant-Man against Falcon, mainly because Ant-Man needs a device from the Avengers Headquarters in their campaign against Darren Cross. This impresses Falcon enough to recruit him into Captain America's team the following film.
504** Phase Three:
505*** ''Film/CaptainAmericaCivilWar'' has the brawl between Captain America's and Iron Man's Avengers, all of this preluding Captain America's (and Bucky's) more personal fight against Iron Man in the Hydra Research Facility, and Zemo being the mastermind behind the Avengers' fracture.
506*** ''Film/{{Doctor Strange|2016}}'' has the first fight against Kaecillius, who kills the Ancient One, leaving Doctor Strange to take the mantle as Sorcerer Supreme and continue his campaign against the Zealots [[spoiler:and eventually Dormammu]].
507*** ''Film/ThorRagnarok'' has the much-hyped fight between Thor and Hulk, who has become Sakaar's champion under The Grandmaster. The rest of the film has Thor recruiting Hulk/Banner in the campaign to escape Sakaar, and eventually stop Hela from taking over Asgard and conquering the universe.
508*** ''Film/{{Black Panther|2018}}'' has the ritual fight between T'Challa and Killmonger, to which T'Challa loses out of grief for Zuni's death and Killmonger takes over as the King of Wakanda. Killmonger and T'Challa later fight again, this them in an all out war between T'Challa's and Killmonger's factions in Wakanda, as well as their personal bout in their Panther Habits.
509*** ''Film/AvengersInfinityWar'' has the build-up to the fight against Thanos become this for the ''entire'' Infinity Saga, with almost every single hero taking on BigBad Thanos himself in his ultimate goal to steal all the Infinity Stones for his decimation campaign. While the heroes ultimately lose, this was expected by Doctor Strange — who puts all the plans in motion for Thanos's eventual downfall, even if it took 5 years for that to happen.
510*** ''Film/SpiderManFarFromHome'' has Peter Parker's fight against "Molten Man" in his "Night Monkey" suit. This preludes Mysterio revealing himself as the mastermind behind the "elemental attacks" (which is basically special effects from his drones to make himself look like the hero).
511** Phase Four:
512*** ''Film/SpiderManNoWayHome'' has Peter Parker's first bout with the Green Goblin in Happy's apartment complex, who takes over Norman's personality and wickedly encourages the other supervillains (sans Doctor Octopus) to embrace their powers for evil. The ensuing conflict results in the death of Aunt May and preludes the re-appearence of Raimi-Peter and Webb-Peter.
513*** ''Film/BlackPantherWakandaForever'' has Namor and the Talokans' first invasion of Wakanda, which results in the death of Queen Ramonda after she sacrifices her life to save Riri Williams. This preludes Shuri consuming the modified heart-shaped herb and succeeding her brother as the Black Panther.
514* ''Film/{{Sonic The Hedgehog 2|2022}}'' has the battle against Knuckles in the underwater temple, which serves as the climax of their feud and provides a turning point in the movie [[spoiler:since Robotnik successfully steals the Master Emerald, revealing his treachery to Knuckles. Sonic convinces Knuckles to join forces to fight against Robotnik, turning their previous enmity into the beginning of a friendship]]. Robotnik [[spoiler:powered by the Master Emerald]] serves as the movie's FinalBoss.
515* ''Franchise/StarWars''
516** Original Trilogy
517*** ''Film/ANewHope'' has Obi-Wan's fight against Darth Vader, to which the former sacrifices himself and allows the rest of the heroes to escape the Death Star. The FinalBattle is an aerial dogfight between Luke Skywalker and the Rebels against Vader and the Empire, culminating in the Death Star's destruction.
518*** ''Film/TheEmpireStrikesBack'': Luke's first bout against Vader can be this for the entire trilogy, as this is culminated by one of the most famous revelations in film history: Vader is Luke's father.
519*** ''Film/ReturnOfTheJedi'' has Jabba the Hutt, who serves as the ArcVillain for the heroes' Tatooine arc. The rest of the film is the Rebels' last stand against the Empire, led by TheReveal of their leader, The Emperor himself.
520** Prequel Trilogy
521*** Anakin's and Obi-Wan's first bout against Count Dooku in ''Film/AttackOfTheClones'' is eerily similar to Luke Skywalker against Vader, as it marks a critical point in the trilogy where the Clone Wars kicks off. To make this even more jarring, Anakin ''loses'' a hand just like what he would do to his son many years later!
522*** Obi-Wan vs. General Grievous in ''Film/RevengeOfTheSith.'' The rest of the film has Palpatine putting the final pieces together in his rise to power as Emperor, which includes the clones turning on the Galactic Republic and Anakin fully succumbing to the Dark Side and becoming Darth Vader.
523** Sequel Trilogy
524*** The Elite Pretorian Guards become this in ''Film/TheLastJedi'' after Kylo Ren kills Snoke in a surprise twist of events. Ren himself takes over as the film's BigBad with the FinalBattle being him and his forces against Luke Skywalker in Crait.
525*** Kylo Ren's final bout with Rey on the second Death Star wreckage in ''Film/TheRiseOfSkywalker''. This becomes a turning point for Ren, as he later allies with Rey for the FinalBattle against a fully restored Palpatine.
526[[/folder]]
527
528[[folder:Literature]]
529* Voldemort does this to himself in ''Literature/HarryPotterAndTheGobletOfFire'' for the entire ''Literature/HarryPotter'' series, as he is resurrected just in time for his first bout against his nemesis, Harry Potter. This officially kicks off the Second Wizarding War with the Death Eaters against the Order of the Phoenix.
530* In ''Literature/FengshenYanyi'', the Grand Tutor Wen Zhong is the most powerful servant of King Zhou, supervisor of all civil affairs and a skilled general with amazing taoist magic at his disposal, as well as being pals with powerful taoists Immortals who are more than willing to lend him a hand and plague Jiang Ziya and his disciples, especially the dreaded Mo Brothers, the extremly powerful Zhao Gongming and the infamous Ten Heavenly Lords. Wen Zhong takes the longest to defeat of all the invasions and marks the first time when all the forces of Kunlun Mountain Range have to come and lend a hand to the heroes, and even then they find their match.
531* ''Literature/JourneyToTheWest'': Among the countless demons and monsters fought by Sun Wukong and his pals, only two are really noteworthy for their skills, power and trouble: the first was the Bull Demon King, former buddy of Monkey, almost equal to him in battle and so strong and rebellious that Wukong needed help from Nezha and the Heavenly Soldiers to finally force him to surrender, all of this taking place halfway through and resolving a lenghty miniarc. The other candidate are the three Demon Kings of Camel Lion Mountain Ridge, three extremely powerful demons and former buddhist mounts who require a lenghty battle and the help of Buddha to relent. Most notably, all demons met after them aren't nearly as strong.
532[[/folder]]
533
534[[folder:Live-Action TV]]
535* Each StoryArc of the ''Series/ChouseishinSeries'' usually culminates in a fight against a major villain who is far stronger than any of the MonstersOfTheWeek faced previously. Sometimes they'll have to unlock a new SuperMode to defeat them too.
536** ''Series/ChouseishinGransazer'': Logia plays this role multiple times throughout the show as a sort of RecurringBoss for Tenma, providing a new challenge for him or one of the other Gransazers each time he appears. Before him, Karin was the first foe to be fought by three Gransazer Tribes, and Lucia was the first foe the Gransazers have to form [[CombiningMecha Dai-Sazer]] to defeat.
537** ''Series/GenseishinJustiriser'': [[spoiler:Kaiser Hades, who is built up as the BigBad,]] fills this role midway through the series, requiring the heroes to unlock their Justi Kaiser mecha formation in order to defeat him.
538* ''Series/ChoushinseiFlashman'': [[BigBad Great Emperor Ra Deus]] is the overlord of the Mess and the one responsible for the Flashmen all being snatched from their parents as infants. [[spoiler:He's fought and destroyed in the penultimate episode, needing ''two'' hits from [[FinishingMove Rolling Vulcan]] to go down no less. The final episode sees his NumberTwo [[DragonAscendant taking the reigns]], though the conflict isn't about him so much as it is the Flashmen [[RaceAgainstTheClock needing to leave Earth before they perish from the "Anti-Flash" phenomenon.]]]]
539* ''Series/CobraKai'': Happens every midseason.
540** Season 1 has Kyler Park, the JerkJock who becomes Miguel's main bully when he transfers to West Valley High School and the reason why Miguel learns karate from Johnny Lawrence. Miguel finally faces him and his gang off in the lunchroom midseason and defeat them with formal karate training; the rest of the season has Miguel preparing for the All-Valley culminating in a finals match-up with Robby Keene.
541** Season 2 has Hawk, who bullies his (former) best friend, Demetri — forcing Robby and Sam to fight him and his Cobra Kai {{Mook}}s. The ensuing fight leads to a series of events where a handful of Cobra Kais defect to Miyagi-Do, effectively becoming legitimate RivalDojos to each other.
542** Season 3:
543*** For the Miyagi-Dos, it's the Cobra Kais once again — led by Hawk and Tory, who fight them at Golf n' Stuff. This becomes a HopelessBossFight given the Cobra Kais possessing greater skills learned under John Kreese, as well as Sam's fear of Tory turning the tides in favor of the aforementioned dojo. The Miyagi-Dos would later face the Cobra Kais again, the former of which teamed up with Eagle Fang, at the [=LaRusso=] Household.
544*** For Robby Keene, it's Shawn Payne, TheBully in juvie who gives his a legitimately tough fight ending in Keene's favor despite the latter taking Kreese's advice in "Striking First". The rest of the season for Robby's arc is him joining Cobra Kai out of anger for Johnny and Daniel seemingly betraying him, with Johnny himself as his own FinalBoss.
545** Season 4:
546*** Daniel and Johnny do this to each other in a tournament-style fight after a series of disagreements in wake of Terry Silver's return. This ends in a draw and the dojos splitting up prior to the tournament.
547*** While most of them end up being {{Curb Stomp Battle}}s, each of the four finalists' bouts in the Quarterfinals become this in the All-Valley — as all of them become critical in the characters' (as well as the story) development. Eli defeats [[AntiClimax Kyler Park]] convincingly, but it's a crucial moment for him because 1.) he finally takes down TheBully that has tormented him for years now, 2.) he proves to his peers that he doesn't need a mohawk to be badass. Sam initially struggles going against Piper Elswith, prior to realizing the importance of combing both Miyagi-Do ''and'' Eagle Fang styles. Tory defeats Devon Lee convincingly, but not without questionable calls from the referee; [[spoiler:this becomes ''very'' important after Tory defeats Sam and wins the All-Valley]]. Robby brutally defeats Kenny Payne after going full-No Mercy by Kreese's suggestion, which become the final straw leading to Kenny's StartOfDarkness and Robby's HeelRealization.
548** Season 5:
549*** Miguel and Robby do this to each other, as a way for Johnny to finally have them bury the hatchet between their animosity that has lasted for so long now. The rest of the season has the both of them continuing their war against Cobra Kai: first in the Sekai-Taikai qualifier, then in the FinalBattle against the Cobra Kais in the Flagship dojo.
550*** Terry Silver does this to himself against Daniel, beating him rather convincingly in Stingray's apartment. They fight again at the Flagship dojo in the Season Finale with Daniel giving him the beatdown.
551* King Octávio in ''Series/DeusSalveORei'' is one of the primary villains introduced halfway through the series and becomes practically the biggest threat of the show if it were not for [[TheEvilPrincess Princess Catarina]] being the real instigator of the crisis. [[spoiler:He is slain just three episodes before the show ends by [[TheHero Afonso]] himself and the rest of the story is holding Catarina on trial for her crimes and executing her]].
552* ''Series/KamenRiderSaber'': [[spoiler:Master Logos]] isn't the FinalBoss, but he's the mastermind behind the show's MythArc and it takes the Kamen Riders all putting their swords together to give [[TheHero Touma]] a [[RealityWarper reality-warping]] SuperMode in order to defeat him.
553* Shane is the main antagonist of the second season of ''Series/TheWalkingDead'', as he tries to usurp Rick after losing leadership of the group as well as Lori and Carl's affections to him. The penultimate episode of the season features their [[spoiler: final]] confrontation that resolves their story arc and proves Shane wrong in that Rick ''is'' a man who can do what needs to be done to protect his family and friends.
554[[/folder]]
555
556[[folder:Web Animation]]
557* ''WebAnimation/{{RWBY}}'': The Curious Cat serves as this to the titular team being the ArcVillain of Volume 9. For the past few volumes, the team were second guessing themselves as to whether or not their actions did any good, a vulnerability the Cat seized to nearly possess Ruby by entering her heart when it was most broken and the rest of the team fought to allow her to make her own decision about what she would do. Upon returning, Ruby leads the team to victory over the cat with the assurance that they can make a difference and critical knowledge around their world and the Brother Gods who created it.
558[[/folder]]
559
560[[folder:Podcasts]]
561* ''Podcast/DiceFunk'' features at least one per season.
562** Season 1 has Rinaldo's fight with [[spoiler:Jayne, which leads to her death and the appearance of Allana]].
563** Season 2 has Drop's duel with [[spoiler:Jem]], who is the last major obstacle before the party gains access to an airship which they need to [[spoiler:go to the Feywild and stop [[WickedWitch Welch]].]]
564** Season 3 has several throughout.
565*** The fight with [[spoiler:Lady Nim]] is the first major shakeup to Illium's situation in the season.
566*** Later in the season episodes 31 and 32 features 3 major battles at the same time. Rolen and Veltari's fight with [[spoiler:Gylan, who is an important antagonist and a major step on their way to taking down [[EvilOverlord Danto]]]]. Claire and Robin's fight with [[spoiler:Asriel, [[VillainProtagonist Dora's]] primary ally whose death throws a wrench in her plans]]. Finally there's Dora's fight with [[spoiler:Warden Light, ending in his imprisonment and the destruction of the Barrier around Illium.]]
567** Season 4 has the courthouse battle with [[spoiler:Catarina versus the rest of Team Loser, resulting in Catarina's death and the team being hired by Justice Alistair.]]
568** Season 5 has three.
569*** The Bastards' fight with [[spoiler:Jacklyn, is the moment when they officially become fugitives from the Sol government.]]
570*** The fight with [[spoiler:Kajita the Sun Dragon precedes the revelation of the truth about the [[EldritchAbomination The Maxwells]] and TheMothman.]]
571*** The fight with [[spoiler: Cassius serves as a FinalBossPreview and happens shortly after the death of Adler and the reveal of Cassius' EvilPlan]].
572** Season 6 has the fights with [[spoiler:the false Lady of Pain]] and later [[spoiler:Abraham]] which mark the beginning and end of [[spoiler:the Second Faction War]] respectively.
573** Season 7 has the fight with the Friar is the first major blow the heroes strike against [[BigBad King Wolfram]] and happens right before a major revelation.
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575
576[[folder:Web Videos]]
577* This was one of Game Dude's many [[AccentuateTheNegative gripes]] about ''VideoGame/MickeyMousecapade'': he gasped in astonishment at how short Pete's level was, and complained that, despite being on the cover art, he isn't actually the FinalBoss.
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580[[folder:Western Animation]]
581* ''Franchise/AvatarTheLastAirbender'':
582** ''WesternAnimation/AvatarTheLastAirbender'' has Azula, Zuko, and the Dai Li vs. Aang and Katara in Ba Sing Se's catacombs during the Season 2 Finale. Despite Team Avatar's efforts, TheBadGuyWins when Azula electrocutes (and temporarily kills) Aang, and later solidifies the Fire Nation's dominance in the Avatar world by taking over Ba Sing Se. Season 3 basically kicks off with Team Avatar trying to recuperate from that loss prior to Aang's ultimate confrontation with Fire Lord Ozai.
583** While any of the {{Big Bad}}s from ''WesternAnimation/TheLegendOfKorra'' prior to Season 4 could vie for the spot (Amon taking away Korra's bending prior to Korra herself unlocking her air powers and having her bending restored by Aang, [=UnaVaatu=] destroying Raava and the connection Korra has with her past Avatars), none had a more severe impact on Korra's life than Zaheer — who basically pushed Korra past her limits by poisoning her with mercury, resulting in her [=PTSD=] (something Amon, Unalaq, or Vaatu couldn't do). It's also worth noting that he is the last foe Korra faces prior to the 3-year TimeSkip, which has Korra continuing to cope with her trauma prior to facing off Kuvira.
584* In the ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' episode "[[Recap/MyLittlePonyFriendshipIsMagicS5E13DoPrincessesDreamOfMagicSheep Do Princesses Dream of Magic Sheep]]", the Tantabus can be considered this for [[spoiler:Luna's RedemptionQuest]] that began in [[spoiler:the second episode because she]] only defeats it by finally forgiving herself for that event and being willing to move on.
585* Two of these are fought in the ''WesternAnimation/SamuraiJack'' episode "[[Recap/SamuraiJackS5E7XCVIII XCVIII]]". Jack [[spoiler:goes on a JourneyToTheCenterOfTheMind and relinquishes the anger that has corrupted him for the past 50 years, finally purifying his EnemyWithin Inner Jack]]. Meanwhile, [[spoiler:Ashi defeats her mother the High Priestess in a DuelToTheDeath, finally completing her RedemptionQuest and completely escaping her influence]].
586* In ''WesternAnimation/StarWarsTheCloneWars'', Maul qualifies. He's the last Force-wielding antagonist faced in the series and the last antagonist to be defeated via direct combat, and serves to show how far Ahsoka has come as a Jedi while simultaneously displaying how close the end is.
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