* ''Fanfic/ACrownOfStars'': Shinji and Asuka. Three years before the first chapter Asuka had taken on an army and nine Evangelions, and almost won. One month before the start of the story Shinji and Asuka took on an entire army and two Evas with nothing but a half-functioning Mass-Production giant robot that couldn’t produce an AT-Field. [[OriginalCharacter Ching]] praises Asuka for her battle against the nine MP-Evas and declares that if she had a better mecha Asuka would be capable to tear through ninety. During the second half of the story Shinji and Asuka frequently take on whole batallions and a fleet riding a single mecha.
* ''Fanfic/AdviceAndTrust'': While Asuka is trying to cheer Shinji up she reminds him that they are possibly the more dangerous persons in the planet and they could take on anything and anyone.
* In ''FanFic/TheImmortalGame'', [[spoiler: Twilight Sparkle, after gaining the power of all five of her friends, pretty much becomes a physical god. At one point during the story, she single-handedly fights the strongest mortal bladecaster alive, his entire personal regiment of guards, and the avatar of a god more powerful than every other cast member combined. She does this without breaking a sweat.]]
* ''Fanfic/LastChildOfKrypton'': Shinji and Asuka, which is easily understandable and explainable, since in this crossover story he is ''Franchise/{{Superman}}'' and she is [[spoiler:''Franchise/WonderWoman'' (or ''Comicbook/{{Supergirl}}'' in the reboot).]] They do not even need a HumongousMecha to punch out enormous alien monsters.
* ''Fanfic/OnceMoreWithFeeling'': Fed up with an admiral slighting the Evangelions, Shinji points out that in his first engagement he went up against a monster that obliterated a Tank Battallion and three dozens of aircraft and shrugged nukes off... and he took out that enemy in sixty-three seconds.
** Shinji also admits freely that Asuka is more badass than him.
* ''Fanfic/TheSecondTry'': Before the FinalBattle Shinji was reluctant to fight soldiers and Asuka reassured him, saying he only needed protecting her power cable, since that army was not a trouble to them.
* ''Fanfic/ThousandShinji'': As they defeat enemies, Shinji, Asuka and Rei use the energies of ''[[TabletopGame/{{Warhammer 40000}} the dimensional Warp]]'' to change themselves and evolve their bodies. At the half-point of the story they are powerful enough (Shinji is a sorcerer with elemental powers, Asuka is a berserker SuperSoldier, Rei is able to command plagues, and the three of them have psychich powers) to destroy the human race on their own. When Asuka fights the Seele invasion, she easily tears the invading force apart, and the MP-Evas are the only thing in the planet that can stop her. And even then she [[spoiler:destroys nine of them.]]
* In ''FanFic/UninvitedGuests'', [[spoiler: Hitsugaya]], after having fit of insanity, charges into the entire forces of [[spoiler: Hueco Mundo]] and manages to traumatizes everyone, although he got caught and imprisoned. PlayedForLaughs, like everything happens in that fic.
* In ''DragonAgeTheCrownOfThorns'', Alim Surana, the elven mage, takes the crown. Granted, he needs a boatload of fresh blood (like, say, the one from all the fresh dead in Ostagar, humans and darkspawn alike) or a huge load of lyrium to let loose (read: [[spoiler:hold off the whole darkspawn horde by himself for a while]]), but he manages to take out most enemies in every other situation as well.
* In ''Fanfic/AceCombatTheEquestrianWar'', a foreign pegasus ace, [[AceCombat04 Mobius]] is a fighting force equal to an entire squadron and he's capable of fighting and often defeating multiple enemies alone.
* In ''Fanfic/ChildOfTheStorm'', most of the Avengers qualify, but the real stand out is one of their enemies: [[spoiler: The Winter Soldier]], a HeroKiller, SuperSoldier and master assassin who, among many, many other things, is said to have [[MageKiller mowed through two squadrons of Europe's finest Aurors in Warsaw in 1973]] and in chapter 60, took on Steve, Natasha and Clint at once and could quite easily have killed all three of them.
* In ''FanFic/{{Fractured}}'', a ''MassEffect''[=/=]''StarWars''[=/=]''VideoGame/{{Borderlands}}'' [[MassiveMultiplayerCrossover crossover]] and its [[FanFic/SovereignGFCOrigins sequel]], this is all over the place.
** On a ship level, you have the Star Dreadnaught ''Revenant'' that can take on ''a hundred Reapers'' without batting an eye (though the [[LogicalWeakness consequence]] of such literal power is absolutely massive energy consumption). Compared to Citadel ships, any Trans-Galactic Republic ship from cruiser on up is a One-Ship Fleet. It's discussed how a wielder of such a ship could become an NGOSuperpower just from possession of that vessel. ''Ultimatum'' also qualifies in ''Origins'' being of the same class as ''Revenant''. Taken UpToEleven in that ''Ultimatum'' has a [[WaveMotionGun superlaser]].
** Given the source material, it's unsurprising that Samantha Shepard and her squad meet this qualification.
** Ditto Vault Hunters like Maya, Axton, Gaige, or Brick. That a BadassCrew consisting of an "army of one-person armies" can't beat back [[AlienInvasion the threat]] underscores how [[GodzillaThreshold dangerous it is]].
** [[spoiler:The Master Chief, once he has his armor repair problems sorted, resumes this role. When you're fighting the Flood, it's helpful to have someone around who's already faced it.]]
* Commandos on both sides in ''Fanfic/TiberiumWars'', due to a combination of training, technology, high explosives, and heavy armor (GDI) or cloaking (Nod). Unconventional tactical approaches also help; i.e. the Nod commando kills a Guardian APC crew and then sets the vehicle's remote gun turret to fire automatically to force some reinforcing troops into cover, where she kills them in seconds from a flanking position. The GDI commando, meanwhile, clears out an entire room of Nod soldiers by using an optical cable to locate them through an air vent connecting their room to the elevator shaft he's climbing down, calculating firing angles through said air vent, and then sniping the Nod troops from the elevator shaft with his rail carbine through the vent's thin metal walls.
* Eri from ''FanFic/ErisGame'' underwent of taking down {{Mooks}} by herself [[TookALevelInBadass upon becoming from fashion designer to butt-kicking activist]]. She kept this status even in the Reapers' Game.
* In the ''Kung Fu Panda'' story [[http://www.fanfiction.net/s/5862877/9/Making-the-Cut Making the Cut]], Jo fights off the entirety of Master Keen Lee's 52 kung fu students though with much effort and injury. The author later said that the scene was inspired by the Crazy 88 fight scene from the movie ''Kill Bill''.
* Col. Flix from ''FanFic/QBasicGorillas'' can take out dozens of Ice Chimps all by himself all at once, whereas two or three Ice Chimps at once is an awful lot for the other Gorillas to handle.
* In ''Fanfic/TheWizardInTheShadows'', certainly in the later part of the story, [[PersonOfMassDestruction Harry]] is one of these. At Helm's Deep he casually harness a ''thunderstorm'', and deals out massive amounts of ShockAndAwe. This is after he set up a deadly barrier that obliterated anything that came through it. Around the entire fortress. And holds it. For two hours.
** Harry and [[spoiler: Ginny]] with the Sword of Gryffindor. Harry vaporises a Mūmak. As a side effect. And that was the weakest attack. [[spoiler: Ginny]] creates three tornadoes. Of fire. Destroying the physical forms of three Nazgūl and tens of thousands of orcs, wargs, trolls and easterlings.
* Attelus Kaltos of ''FanFic/SecretWar'' was a skilled apprentice-assassin in his own right at the start. But has gotten even more Badass as the the story progressed. Able to fight on even ground with enemies with twice his experience and win despite being badly injured and exhausted (more due to his [[CombatPragmatist rampart cheating]], but still) also able to fight and defeat many a Mook group singled handed.
* In ''Fanfic/RiseOfTheRedEclipse'', [[SuperSoldier Centurion Chris-Z9571]] is a ten foot tall walking mass of armor, muscle, and hidden weaponry with a stealth factor capable of taking on enemy shock troops with ease, jumping out of gunships and landing without a scratch (in which he usually creates a small crater where he lands), taking on small armies by himself (and occasionally with his own personal squad of marines), and taking on some of the hardest hitting villains of the series in hand-to-hand combat, usually either hurting them enough to retreat or beating them to the point that they have to be evacuated.
* In the Naruto fanfic ''Echoes'', a great deal of the top-tier shinobi are dubbed as SS-rank. This ranking includes people like [[BadassGrandpa Madara Uchiha]], [[GreenThumb Hashirama Senju]], [[ShockAndAwe The 3rd Raikage]], [[SuperSpeed Minato Namikaze]]... The rule in the bingo book when up against an SS-rank literally reads "Flee on Sight."
** [[spoiler:And all of the former ''pale'' when compared to the BigBad of the [[MultiversalConquerer Teikoku]], the Warlord, an evil Naruto. For reference? In his backstory, he [[DidYouJustPunchOutCthulhu killed Kaguya Ootsutsuki]] alone, has the rest of Teikoku working for him despite the fact ''every last one of them'' would [[TheFriendNobodyLikes like to see him dead]], and has ''[[PersonOfMassDestruction destroyed entire planets.]]'']]
* Tsali the Ultimate Weapon from ''FanFic/SonicXDarkChaos''. He takes out entire fleets of Metarex and ravage whole planets on his own, provided he has enough Dark Chaos Energy in his power cells.
* Celestia does this during a battle in ''FanFic/WanderingMoon''. Justification: [[UnstoppableRage royally pissed-off]] [[PhysicalGod sun goddess]]. She did bring her own army. And tells them to hang back several minutes due to [[UnfriendlyFire Unfriendly Fi]][[KillItWithFire re Kills Everything]].
* In ''[[IntheShadowofGods In the Shadow of Gods]]'', Master Chief fights his way through dozens of mooks while trying to [[spoiler: find Cortana]], regarding them as a mere distraction. Shepard is also no slouch.
* ''Fanfic/AWorldOfBloodyEvolution'' had Yang. Thanks to her BattleAura, she is able to slaughter dozens of Cultist and Ork Boyz without any trouble. Even [[SuperSoldier Traitor Marines]] have trouble against her. This is also ignoring the fact that she doesn't use her psyker abilities due to lack of training. [[spoiler:Weiss, who has both Aura and her psychic powers, is even deadlier.]]
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