History Main / ThisCannotBe

** Unable to [[ImaginationBasedSuperpower imagine]] anything that can kill Kenpachi and desperate to kill him before he can do it first, [[MeteorSummoningAttack Gremmy imagines a meteor falling upon the Seireitei]], before kindly letting Kenpachi know that even if her were to kill him now the meteor would still fall and kill everyone else. Cue Kenpachi [[spoiler:[[GivenNameReveal speaking the name]] of his [[EmpathicWeapon Zanpakuto]]]] and cutting the meteor down in one swing. Gremmy is so utterly flabbergasted at this extreme display of power that he screams at Kenpachi, calling him a monster.

* ''VideoGame/BlazBlue'' has quite a few "cannot be" moments as well.

* ''WebAnimation/DeathBattle'': The loser of "Sauron VS Lich King" shouts "IMPOSSIBLE!" when [[spoiler:Sauron shatters his sword Frostmourne and causes the souls trapped in there to encircle him. After that, Sauron's victory is assured.]]

** In ''Anime/YuGiOhTheDarkSideOfDimensions'', Aigami does this multiple times. First when Kaiba draws and summons Obelisk the Tormentor, which should impossible since it wasn't in his deck and is not supposed to exist anymore. Again when Obelisk {{No Sell}}s his card meant to negate its effect. And again when the Pharaoh returns to defeat him.

** Both the {{Big Bad}}s of 5Ds and Zexal exclaim disbelief at their losses. Bonus points for Don Thousand, whose expression is shown in detail at the moment of astonished realisation.
** In Yu-Gi-Oh! Vrains, Ai's first Duel in season 3 deals a complete one turn kill onto Queen after he not only demolishes her field but also gets through her cheating defensive Skill. He really gave what she deserves well after Season 2.

-->'''Mei:''' This isn't happening, this isn't happening!

** In the finale of ''Series/PowerRangersBeastMorphers'', Evox/Venjix shouts this line when the Beast Morphers Rangers channel their DNA into him before he goes boom.
--->'''Evox'''/'''Venjix''': No! It can't be! [[WeaksauceWeakness Human DNA!]] AAAAAAHHHHH!!! It's corrupting my systems! CURSE YOU, RANGERS!!!

*** Machvise when Hajrudin, the giant he's trying to crush with his weight powers, [[MegatonPunch sends him flying upward]] into Doflamingo's [[RazorFloss Birdcage]].

** ''Many'' of the Doflamingo Family get this in their fights. To wit: The whole family when Sugar is knocked out and undoes her toy transformations on the island, causing the residents to regain their memories of their lost loved ones. Machvise when the giant he tries to crush with his weigh powers sends up flying upward into Doflamingo's cage. Lao G when his final attack fails against his opponent and sends him plummeting into an abyss. Dellinger, high off a victory, getting slashed by an even deadlier opponent. Gladius finding out his opponent wasn't defeated as he thought and turning around just in time to see him coming down on him with a MegatonPunch. Pica severely finding that Zoro is not an opponent you want to ignore when he slashes his giant stone form in half. Diamante when his opponent, a one legged gladiator with more then enough grudge against him, manages to weather his spiked ball attack and not even seem remotely wounded as he keeps coming after him. And finally Trebol when he gets too close to what he thinks is an incapacitated Law only to get hit by his severed hand holding his sword thanks to his Ope-Ope powers and severely wound him.
** And of course there's their head honcho, Doflamingo himself. While he gets several through the final battles. The biggest one is via expression when, after going on a tirade how Luffy was born to "commoner's blood" and should accept his place, Luffy's King Kong Gun breaks through his ultimate attack to deliver the knockout blow.

** In the second season of Mighty Morphin, [[BigBad Lord Zedd]] breaks down in disbelief after Tommy destroys his Green Crystal and teleports the Dark Rangers out of the Otherworld.

--> Is this... it can't be! What are you!

--> "What? How did you... [[BigNo NOOOOOOOO]]!"

--> "No... no... this cannot be!"\\

** Finally, Zhou Zong, the TrueFinalBoss, after you defeat his first form, right ''before'' he goes OneWingedANgel.

-->'''Galvanax:''' "NO! You can't hurt me! I'm invincible! I'm the champion of Galaxy Warriors! I'm the greatest of all time!" ''[Collapses and explodes]''

** One good example is Goldar from the very first series (''Series/MightyMorphinPowerRangers'', to be exact), who gets a big shock when his personal war Zord, Cyclopsis, is overloading and when it is finally destroyed for good by the Ultrazord.

** In the second season of Mighty Morphin, Lord Zedd breaks down in disbelief after Tommy destroys his Green Crystal and teleports the Dark Rangers out of the Otherworld.

** In ''Series/PowerRangersWildForce'', Master Org finds himself in a state of shock when the Wildzords come BackFromTheDead to destroy him after the rangers declare their humanity to him.

* Ryoko Asakura utters "It can't be!" in ''LightNovel/HaruhiSuzumiya'', right after Yuki started terminating her. While she looked desperate while saying it (complete with PuppyDogEyes) she gets a hold of her StepfordSmiler face again, after that.

* ''LightNovel/SwordArtOnline'':

** In ''VideoGame/DevilMayCry4'', [[TheDragon Agnus]] reacts in utter disbelief when a half-dead Nero manages to not only [[spoiler:[[SuperMode awaken his Devil Trigger]]]] but also perfectly [[spoiler:[[ReforgedBlade restore the broken]] [[AbsurdlySharpBlade Yamato]]]], something he has been trying and failing to accomplish for a presumably long time.

* "You are wrong! This cannot be! There is no number ''VideoGame/ThreeInThree''!"

* The very first episode of WesternAnimation/TheGrimAdventuresOfBillyAndMandy features such a speech from Grim, upon realizing he’s been defeated by two kids and must be their best friend/slave forever.