History Main / LegacyBossBattle

** Boss Blitz Galaxy is a World S BossRush mission, where all five bosses are ones from [[VideoGame/SuperMarioGalaxy the original game]] not fought anywhere else.

* ''VideoGame/XenobladeChronicles3'' features a number of unique enemies who reappear from previous games, such as Immovable Gonzalez, who appeared in both the previous two installments.
** The expansion, ''VideoGame/XenobladeChronicles3FutureRedeemed'' also includes a handful of these, notably; Dark Murakmor, a bird-like monster that perches on Colony 9's anti air battery 3 returns as Tenebrous Muramasa (Tenebrous being a synonym for Dark). Avalance Abassy, the first game's highest level {{Superboss}} returns as Fogdweller Abassy, where it reprises it's role, though only level 100, oppsed to Avalanche's level 120.

* The boss characters in ''VideoGame/Tekken7'' are special matches against The Devil, Shin Heihachi, [[spoiler: [[Franchise/StreetFighter Akuma]], [[VideoGame/FatalFury Geese Howard]] & [[Series/TheWalkingDead Negan]]]].

** When you reach the end of the first Zero Space stage, Doctor Wily's logo is visible in the background for the first time in the X series. Then after the BossWarningSiren, a remix of the ''VideoGame/MegaMan1'' fortress boss theme plays, and the Shadow Devil, a recolor of the Yellow Devil from the same game, makes its entrance.
** The second Zero Space stage boss is Rangda Bangda from ''VideoGame/MegaManX1'', complete with a remix of the fortress boss theme from that game.
** The WarmUpBoss is a weakened version of Magma Dragoon from X4, having access only to his most basic attacks.
** Two of the Zero Space bosses from ''VideoGame/MegaManX5'' are taken from earlier ''Franchise/MegaMan'' franchise games.

* Two of the Zero Space bosses from ''VideoGame/MegaManX5'' are taken from earlier ''Franchise/MegaMan'' franchise games.

* ''VideoGame/MegaManX6'': Dynamo appears again as a RecurringBoss, even if he has no real bearing in the plot or major differences in his moveset. He's exclusive to the secret routes you can take, but only after dealing with High-Max or Nightmare Zero, so he's mostly there to give you a way to obtain better [[GameplayGrading ranks]] (and equips as result).
* ''VideoGame/MegaManX8'': You can fight classic Cut Man, 8-bit sprites and all, as a bonus miniboss at the Troia Base level, assuming you have a ''[[VideoGame/MegaManXCommandMission Command Mission]]'' save file in your memory card.
* In ''VideoGame/MegaManZX'', Omega from ''VideoGame/MegaManZero3'' appears as a {{Superboss}} in the N area. Defeating him nets you the Model O Biometal, the strongest in the game. If you have [[OldSaveBonus completed both Zero 3 and 4 in their cartridges]], linking them to the DS slot can let you fight 4 of each game's bosses in the same area and defeating them all gives you the same reward.
* In ''VideoGame/MegaManZero3'', taking a secret detour in the second fortress stage will take you to a teleporter. Go inside, and you'll meet [[spoiler:Phantom from the first game, or rather his "ghost" since he died.]] Defeat him and you'll get the [[InfinityPlusOneSword Infinity Plus One Foot Chip]].
* After defeating all the Robot Masters in ''VideoGame/MegaMan3'', four new stages open up, each having two Doc Robots (one as a mid boss, one as an end boss). Each Doc Robot takes on the exact same attack pattern of one of the eight Robot Masters from ''VideoGame/MegaMan2'', and their sprite is even seen descending into the Doc Robot before the fight starts.
* The boss of Wily Castle 1 in ''VideoGame/MegaMan10'' is the Weapons Archive, which deploys robots that use the weapons and tactics of one Robot Master from each of the past nine games. Also, there are three DownloadableContent stages that each feature one of the [[VideoGame/MegaManDrWilysRevenge Mega]] [[VideoGame/MegaManIII Man]] [[VideoGame/MegaManIV Killers]] as bosses.

* ''VideoGame/SuperMarioGalaxy2'''s Boss Blitz Galaxy is a BossRush bonus mission, where all five bosses are ones from [[VideoGame/SuperMarioGalaxy the original game]] not fought anywhere else.

* The final boss of ''VideoGame/PanzerDragoon Zwei'', the Ancient Dragon, makes a comeback in ''Panzer Dragoon Saga'' as an earlier boss, as he was found and brought back by the Empire in an injured state but no less deadly.

* In the ''VideoGame/EtrianOdyssey'' series, there's the Dragon, Drake and Wyrm (later known as the Storm Emperor, Blizzard King and Great Dragon respectively). They're mighty dragons corresponding to FireIceLightning and have been in every mainline game and their remakes except for ''VideoGame/EtrianOdysseyVBeyondTheMyth''. Defeating them is the objective of postgame quests and are key to raising the level cap from 70 to 99 (except the first two games).

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** ''VideoGame/{{Disgaea 5}}'' features a PaletteSwap of Darkdeath Evilman called "Proto Darkdeath".

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[[folder: Survival Horror]]
* ''VideoGame/FiveNightsAtFreddys II'' features Golden Freddy as an opponent on the 6th night. While he was basically an EasterEgg in the original game who would rarely [[DropInNemesis appear suddenly in the office and]] [[spoiler: crash the game if you didn't immediately look away,]] in the sequel he wanders the halls with the other animatronics, though he's by far the deadliest of them all.

[[folder: Visual Novel]]

** The TutorialBoss is a weakened version of Magma Dragoon from X4, having access only to his most basic attacks.

[[quoteright:350:[[Franchise/{{Splatoon}} https://static.tvtropes.org/pmwiki/pub/images/splatoon_dj_octavio_recurring_boss.png]]]]
[[caption-width-right:350:DJ Octavio [[VideoGame/Splatoon1 just]] [[VideoGame/Splatoon2 doesn't]] [[VideoGame/Splatoon3 quit]].]]