History HoistByHisOwnPetard / FanFiction

[[AC:''WesternAnimation/AdventureTime'']]

* In ''Fanfic/{{Alex}}'', the titular antagonist provokes her opponent, Marceline, to spit at her coat, the same way she spit at Princess Bubblegum's jacket at "What Was Missing". When she does it, the Witch uses a magic spell to put it at her gray top instead. Much after that, she has Finn and some wolves attacking her, the same way she did it to the former in "Go With Me".

[[AC:''WesternAnimation/AvatarTheLastAirbender'']]

* ''Fanfic/TheFallOfTheFireEmpire'': [[spoiler:Azula is ultimately only defeated because one of her own [[UndyingLoyalty undyingly loyal]] Chosen is tricked into killing her.]]

[[AC:''Franchise/Ben10'']]

* In ''The New Look Series: Ben's New Look'', Ben turns into Grey Matter to peep on a woman, but due to a rat in the vents, he ends up getting caught and Gwen decides to [[DraggedIntoDrag punish him by dressing him as a girl]].

[[AC:''Manga/{{Bleach}}'']]

* In ''Fanfic/WinterWar'', the Barragan Fragment's power to age things to dust extends to its [[BloodyMurder blood]]. The fight is going badly when Isane guesses that it might be vulnerable to its own power. [[spoiler:At her suggestion, Ukitake and Soi Fong [[PoisonedWeapons put its blood on their swords]] before attacking again. Luckily for them, it works.]]

[[AC:''ComicStrip/CalvinAndHobbes'']]

* ''Fanfic/TheCalvinverse'' villain Rupert Chill usually disguises himself [[NamesTheSame as a human criminal of the same name]] whenever he'd arrive on Earth. ("The Five Calvins" implies this was intentional on alien!Rupert's part.) This comes back to bite him at the end of ''Fanfic/CalvinAndHobbesTheSeries''[='=] Season 5 premiere when [[spoiler:Calvin arranges for Rupert to be arrested by police while wearing his human disguise, and they dismiss his frantic attempts to tell them who he really is as insanity.]]

[[AC:{{Crossover}}]]

* In ''Fanfic/TheLastSpartan'', Garrus kills Dr. Saleon [[spoiler:by locking him in a test chamber with a Flood infection form, something Saleon [[MoralEventHorizon had done to at least two other test subjects already]].]]
* Around the climax of ''FanFic/MyLittleAvengers'', this happens twice. First, when it appears as though the villains have won, [[BastardUnderstudy Trixie]] attempts to betray [[BigBad Loki]], only for him to turn her own magic back on her. [[spoiler:She survives and escapes, but is left horribly scarred.]] Later, during Loki and Thor's FinalBattle, [[spoiler:Loki pulls an ISurrenderSuckers, but Thor anticipates it and redirects Loki's own Soul Seal spell back on him, killing him]].
* ''Fanfic/TheStarsWillAidTheirEscape'': The BigBad [[spoiler:Herald]] ends up being defeated by several of his own actions throughout the story. [[KickTheDog Throwing the jar containing the CMC's souls over the waterfall]] not only allows them to be retrieved, but takes away the one thing that might have stopped Pinkie Pie from banishing him to outside of reality the same way he did it to the Princesses. That action in and of itself ends up costing him, as it allows them to fight him at full strength without having to worry about hurting their subjects as they would in Equestria, allowing them to begin winning the fight. This also buys the Mane Six enough time to kill the [[{{Mooks}} Dark Young]] and stop [[SealedEvilInACan Shub-Niggurath's summoning]].
* ''Fanfic/TimeLordsAndTerror'': [[WickedWitch Hydia]], who spent the whole story trying to release [[EldritchAbomination the S'Muz]], ends up [[EvilIsNotAToy being its first victim]]. [[spoiler:Also, the S’Muz itself is defeated when the ponies use their Elements of Harmony to absorb both the PKE it stole and the PKE that makes up its body and disperse it into Equestria.]]
* In ''Fanfic/{{Origins}}'', a ''Franchise/MassEffect''[=/=]''Franchise/StarWars''[[spoiler:[=/=]''[=Borderlands=]''[=/=]''[=Halo=]'']] MassiveMultiplayerCrossover, the [[StateSec Republic Intelligence Service]] tries to capture a [[spoiler:Force-sensitive Siren]]. However, their attack only makes the target stronger. Naturally, this target is not happy. [[CurbStompBattle Ass-kicking]] ensues.
** The [[spoiler:Force-sensitive Siren]] in general was this for those who made it. Through some LoopholeAbuse, these creators hoped to alleviate themselves of duties they found boring. Their creation saw right through their wordplay and decided to apply the [[DeadlyEuphemism consequences]] demanded by the law for those who sought to undermine it. Subverted in that creators eventually subdued their creation, at least until the events of ''Fractured'' set [[spoiler:Sarah]] free...
* Several villains in ''Fanfic/ChildrenOfTime''. Notably [[Series/DoctorWho Dalek Caan]] and [[spoiler:Colonel Marshall]] in "The Manhattan Conspiracy"... Caan wants to study a Time Lord's regenerative use of the Time Vortex? Give 'im the Time Vortex, then... And [[spoiler:Marshall]] is quite taken with the power of [[UsefulNotes/WorldWarII the atomic bomb]] -- the two Time Lords of the story plan accordingly.
* ''[[Fanfic/JusticeLeagueOfEquestria The Princess of Themyscira]]'': [[BigBad Ares]] uses the [[ArtifactOfDoom Alicorn Amulet]] to open a portal to Tartarus and unleash the army of demons there in order to start a ForeverWar. When the Amulet is destroyed by Diana, the portal closes, and Ares' attempts at keeping it open only results in him getting sucked in and [[SealedEvilInACan trapped inside]].
* In ''[[https://www.fanfiction.net/s/4354353/11/Harry-Potter-and-the-Wand-of-Uru Harry Potter and the Wand of Uru]]'', Flint's decision to have Wood injured badly enough to be removed from the game comes back to bite him when the replacement Keeper (Hermione) proves to be just as good and have better gear. Then she and Harry knock the opposing Seeker out of the game, making it impossible for Slytherin to not lose horribly since the only way to forfeit is for both captains to agree and Wood's still in the hospital wing.
* ''Fanfic/TheEquestrianWindMage'': At the end of Season 2, [[spoiler:when Demise is resurrected out of Ganondorf's body, he absorbs the Triforce of Power. However, the Elements of Harmony communicate with it, and turn it against him. The Elements and Triforce then work together to strike him down and render him DeaderThanDead.]]
* ''Fanfic/ThousandShinji'' has these examples:
** In chapter 8, wanting to pay Rei back for ruining his latest "Annoy Asuka" ploy, Shinji nudges Asuka to take Rei to a shopping trip. Asuka bites the bait... but then she announces that he would carry their shopping bags.
--->The look on Shinji’s face would warm both Rei and Asuka for a long time as he was most definitely hoisted by his own petard.
** In chapter 14, Shinji realizes his planning and scheming has backfired completely.
--->Everything tied back to Shinji’s own scheming. He had been snared in a web of his own making. The phrase ‘hoisted by his own petard’ didn’t even begin to cover this sort of thing.
** Initially, Shinji wanted to get back at his father for abandoning him, but after a while he cast his planned revenge aside because he had found a real family. Then Gendo hurt his family to try to keep him under control. So Shinji ''hurt'' him back.
* In ''Fanfic/ChildrenOfAnElderGod'', [[Franchise/CthulhuMythos Nylarathotep]] tried to drive Asuka to despair. He was successful... to the point that she decided to burn everything down, starting with him.
* ''[[https://www.fanfiction.net/s/11772125/1/Metroid-Kamen-Rider-Generations-Full-Series Metroid: Kamen Rider Generations]]'' provides us a frighteningly karmic example: [[spoiler:In [[https://www.fanfiction.net/s/11772125/118/Metroid-Kamen-Rider-Generations-Full-Series one chapter]], the [[SpotTheImpostor impostor]] [[Series/KamenRiderGhost Makoto Fukami]] shoots [[Series/KamenRiderGaim Mitsuzane]] from behind, not once, but '''[[https://www.fanfiction.net/s/11772125/120/Metroid-Kamen-Rider-Generations-Full-Series twice!]]''' Which is a callback from episode 26 of ''Kamen Rider Gaim'' where he shoots Kouta in the back.]]
-->'''Mitsuzane:''' "[[LampshadeHanging It's very haunting to think that how I once shot my friend in the back would eventually bite me in the ass.]]"
* In ''[[https://www.fanfiction.net/s/12566128/7/One-Flew-into-the-Cuckoos-Nest One Flew into the Cuckoos' Nest]]'', a jealous Quire tries to psychically lobotomize Harry, only to be turned into a drooling vegetable when Harry's own mutant ability reflects the attack with increased force.
* [[WesternAnimation/YoungJustice Psimon]] in ''[[https://www.fanfiction.net/s/12882198/3/We-Are-Legion-COMPLETE We Are Legion]]'' wipes Legion's memories entirely when they meet. Then the swarm of bugs Legion previously controlled go berserk and act on instinct, eating every living being in the camp, including Psimon himself.
* ''Fanfic/TheTickvsMyHeroAcademia'' had the battle between Eraserhead and the titular Tick be decided when Eraserhead bound Tick with his capture scarf, only to find it just means he made it easier for the invulnerable, superstrong crazy person to bash him around.
* In ''Fanfic/AmazingFantasy'', Rocker Racer Number One spends most of his villainous debut stealing from others and knocking out the opposition with his rocket-powered glove. Peter goads him into trying to use it on him, only for Peter to [[DeadlyDodging dodge at the last second]]. Number One's hand goes right through a wall behind Peter, leaving the upstart Villain's [[{{Fingore}} fingers horribly mangled.]]
* In the ''Franchise/HarryPotter''/''Franchise/ANightmareOnElmStreet'' crossover ''[[https://www.fanfiction.net/s/6868583/1/We-Are-Nothing We Are Nothing]]'', Snape's torment of Harry during their Occlumency 'lessons' causes so much damage to Harry's mental shields that he even breaks down the standard barriers everyone naturally possesses, creating an opportunity for Freddy Krueger to attack Hogwarts (albeit 'limited' to attacking anyone that Harry was already angry at in some way), with Snape being one of Krueger's first victims.
* In ''Fanfic/InfinityCrisis'', [[spoiler:Thor and Jane destroy Hela by attacking her with Stormbreaker and Mjolnir respectively; applies as Mjolnir was only a factor after Hela asked Thanos to recreate it for her, only for the hammer to 'reject' Hela due to the new worthiness enchantment while permitting Jane to wield it instead]].
* In ''[[https://www.fanfiction.net/s/12652330/1/eXtra-power-twin eXtra power twin]]'', after Fudge is voted out of office, he attempts to use the Imperius Curse on Scrimgeour to try and maintain some of his old authority, only to be automatically arrested and sent to Azkaban under the rules Fudge himself created about harsher sentences for those who attempt to attack the Minister of Magic.
* In the ''Franchise/HarryPotter''/''VisualNovel/FateStayNight'' crossover ''[[https://www.fanfiction.net/s/13075749/1/Harry-and-the-Botched-Cult-Ritual Harry and the Botched Cult Ritual]]'', first, the apparition of Tom Riddle from his diary decides he doesn't need to follow orders from the original Voldemort and attacks him. Since they have the same powers and can speak Parseltongue, they command the Basilisk to kill the other, so the Basilisk is torn on who to obey. Then Rider and Avenger show up. Since they are both {{Medusa}}, they can speak Parseltongue and have more authority over snakes than even the Heir of Slytherin, and command the Basilisk to kill both Voldemort and Riddle, which the Basilisk happily obeys.
* Happens a couple times in ''Fanfic/WithPearlAndRubyGlowing'':
** Si and Am find that it's easy to get caught in a lie when that lie is that the resident SweetPollyOliver got you pregnant.
** As some of the villains found out, if you're a DirtyCop with a penchant for PrisonRape, maybe make sure that your latest victim isn't ''the police chief's nephew.''

[[AC:''Franchise/TheDCU'']]

* ''Fanfic/BatmanBeyondRevisited'': If the sadistic [[spoiler:Chainsaw]] isn't burned to death by his own lighter, he's killed by his WMD exploding. An explosion ''caused'' by his own lighter.
* ''Fanfic/WithThisRingGreenLantern'': As using his telekinesis to crush Hal Jordan, Hammond taunts telepathically the Franchise/GreenLantern, giving Hal the chance to send his own mental attack through the opened mind-link.
* In ''Fanfic/HellsisterTrilogy'', [[EvilSorcerer Mordru]] is more than powerful enough to wipe out the ComicBook/LegionOfSuperHeroes single-handedly. But he isn't satisfied with his already vasts levels of power so he travels to the actual Hell to make himself one with the essence of Evil. As attempting the merge, though, he put himself in a vulnerable position which gave Colossal Boy and ComicBook/{{Supergirl}} the opportunity to destroy him.
* In ''Fanfic/DaughterOfFireAndSteel'', General Zod's decisions consistently ruin his chances to achieve his goals. He gets Lois kidnapped, even though Kara points out such an action will make Kal-El to not trust them; and he turns down Kara's suggestion to convince Superman into helping them look for another suitable world, even though she had already talked her cousin into it, which makes Kara help Superman to take him down.

[[AC:''Franchise/DisneyAnimatedCanon'']]

* In ''Fanfic/CrownsOfTheKingdom'', Maleficent falls victim to her own time-twisting spell due to ''WesternAnimation/SleepingBeauty'' not being made until four years after Disneyland was built.
* In ''WesternAnimation/{{Coco}}'' fanfic "Los Dos Ernestos", Ernesto's plan to kill Hector backfires because he mistakenly drinks from the poisoned glass and gives Hector the other one.

[[AC:''VideoGame/{{Fallout}}'']]

* In ''Fanfic/ChildrenOfTheAtom'', The Super Mutants stockpile lime to smoke Rivet City's defenders out. Jason uses it on its creators.

[[AC:''VisualNovel/FateStayNight'']]

* In ''FanFic/NerveDamage'', after Shirou breaks the Heaven's Feel, Zouken forces Sakura to summon another servant besides Rider, even over her desperate desire not to fight Shirou. Cue her summoning an Assassin with just the power set to kill him off [[KilledOffForReal for real]] while leaving Sakura alive, who disdains the Grail and all who seek it as blasphemers, and who sees Zouken as just the type of monster she was designed to fight.

[[AC:''Franchise/HarryPotter'']]

* ''Fanfic/HarryCrow'': Lucius Malfoy has 24 hours to withdraw the contents of his Gringotts vaults and anything left behind after then will be unreachable until his son becomes of age. Lucius is forced to miss the deadline because the Ministry has him under arrest and his wife can't do it for him because he never gave her permission to withdraw more than one hundred thousand Galleons per day. Later he gets another heaping dose when he does send his wife for those hundred thousand and she offers the money to Fudge to have the charges thrown out. Fudge promptly charges him with a bribery attempt and uses the cash as evidence.
* In ''[[https://www.fanfiction.net/s/10916587/8/A-Lion-and-His-Cub A Lion and His Cub]]'' Umbridge sets off an explosion in the Great Hall to try to convince a social worker that Harry's baby daughter would be safer in Ministry custody. When Harry is seriously injured while protecting her, the social worker ''approves'' his guardianship on the grounds that any good parent would "set aside their entire being for the child."
* In ''[[http://draco664.fanficauthors.net/The_Widower_Maker/The_Widower_Maker/ The Widower Maker]]'', Harry uses a poorly-worded Marriage Law that forces half-bloods and Muggleborns to marry into Pureblood families (and be turned into all but slaves) to go scot free with killing all the women he is forced to marry and their families. And then uses ''that'' to ensure the law is repealed.
* An excellent one from the oneshot ''[[https://www.fanfiction.net/s/11728619/1/Community-Service Community Service]]'': Voldemort's curse on the Hogwarts Defense Against the Dark Arts position really comes back to bite him, [[spoiler:when Dumbledore gets the EurekaMoment to allow all accused Death Eaters to get off with just community service. Specifically, ''two years mandated community service as DADA professor''. It's so successful that by the time Voldemort gets his body back, Wormtail is the ''only'' free Death Eater left.]]
* In ''Fanfic/TheChildOfAzkabanLonelyHarvest'', Voldemort and Quirrel bring Harry down into the Chamber of Secrets to be fed to the Basilisk. The Basilisk becomes enraged when he finds out that he was trying to feed him a parselmouth and that Quirrel himself was not a speaker, causing the enraged snake to devour Quirrel and become a protector to Harry.

[[AC:''Webcomic/HetaliaAxisPowers'']]

* In ''Fanfic/SevenLittleKillers'', [[spoiler:Canada]] has been dumping the bodies of the people [[spoiler:America]] allows to be killed in the river. Unfortunately for him, [[spoiler:he turns out to be one of the people America decides to let die]]. Guess where he winds up drowning?

[[AC:''WesternAnimation/InvaderZim'']]

* ''Fanfic/TheNewAdventuresOfInvaderZim'':
** Season 2:
*** At one point in Episode 4, Tak ends up having to fight the same Ham Demon she once unleashed on Zim.
*** In Episode 5, [[spoiler:[[UnknownRival Quis']] plan is to set up Dib to look like he was running a ScoobyDooHoax and get him kicked out of the SEN for fraud. Instead, events play out so that Quis is exposed, with him being the one kicked out.]]
** In the third entry of the non-canon ''Mature Edition'' anthology, this happens to both Tak and Gaz. [[spoiler: The rocket Tak intends to blow up the nudist commune with ends up incinerating her clothes instead, while Gaz's attempt to take money from her father's safe leads to her being tossed naked out of the house by his security system, where she's [[LaserGuidedKarma arrested by the police she called on Dib earlier]].]]

[[AC:''WesternAnimation/JackieChanAdventures'']]

* ''FanFic/QueenOfAllOni'': Jade has [[EvilSorcerer Verde]] construct her an enchanted dog carrier to contain the Oni-masked Scruffy while speaking with the Bat-General; Tohru later uses this dog carrier to capture her (her minions save her, however). On top of that, Tohru reverse-engineers the magic involved to create sutra scrolls capable to restraining Oni.
** Later, when [[SmugSnake Lung]], Daolon Wong's former apprentice, captures Jade and tries to bind her and thus her Shadowkhan to his will [[spoiler:(which also counts as a CriticalResearchFailure, since Ikazuki's curse only allows her to summon Left and Right)]], his defenses are no match for her servants [[spoiler:and he is KilledOffForReal for torturing Jade and nearly killing her]]. [[AssholeVictim No tears were shed.]]
* ''FanFic/ShadowsAwakening'':
** Turns out Tarakudo was imprisoned in the Shadow Realm because when he fled there to hide the mask made to seal him, his enemies just sealed him inside.
** [[spoiler:[[FinalBoss The Queen]] is defeated during the FinalBattle when Uncle and Tohru invoke a SuperPowerMeltdown via her unbalanced chi, which she herself unbalanced by going OneWingedAngel.]]

[[AC:''Franchise/LyricalNanoha'']]

* ''Fanfic/{{Infinity}}'': Lindy spends most of chapter 25 getting smacked around by Precia. Near the end, she reveals that she's been sealing Precia's magic the whole time, and electrocutes her with all the magic Precia used during the fight.

[[AC:''Franchise/MarvelUniverse'']]

* ''Fanfic/{{Dial}}'': The algorithm that Arnim Zola created to track down anyone anywhere in the world for HYDRA's benefit is taken by Jury Rigg!Dial and repurposed into an algorithm to instead identify all HYDRA agents worldwide, allowing SHIELD to excise them precisely.
* ''Fanfic/{{FIRE}}'': During one battle, Doctor Doom seemingly blasts the Fantastic Four into pieces, unaware that Franklin Richards is watching the battle via the Fantasticar camera. Franklin snaps utterly and uses his reality-warping powers to turn Doom into a literal bloody pulp.

[[AC:''WesternAnimation/MiraculousLadybug'']]

* Adrien takes Lila down with grace and charm in ''[[https://archiveofourown.org/series/1379152 best (fake) smile]]'' by the simple expedient of escorting her to Fashion Week and "excitedly" dragging her around to see the many famous people she claims connections with, acting as if he believes her stories of having worked with them, saved their kittens, etc -- and capturing their baffled denials on his social media feeds. Bonus points for having both Jagged Stone and Ladybug politely but unfavorably contrast her behavior with Marinette's, sinking the boot in to Lila's downfall amongst their class. And when she furiously confronts Adrien later, he captures her angry admissions on video.
* In ''Fanfic/LadyBugOut'', Lila naturally pretends to be helping Ladybug maintain the titular blog. When Marinette posts a video where she "interviews" her alter ego in ''The Interview Ruse'', Lila accuses them of trying to make her look bad... but Ivan [[SpottingTheThread points out]] that Marinette wasn't around whenever Lila bragged about her involvement. Her panicked attempts to blame somebody else only manage to further rile up her classmates, and when she attempts to invoke ExactWords by claiming that she never actually ''said'' she was working on the blog, only that Ladybug had asked her for help, she's called out on it. This leads to everyone but Alya, Nino and Adrien turning on her after realizing that she'd been [[WasItAllALie lying the whole time]], losing all her influence.
* ''FanFic/AllsFairInLoveAndWarAndTurnaboutsFairPlay'': All Adrien has to do in order to set Lila's downfall in motion is give an interview where he admits that he's being terrorized by a stalker at his school. Though he doesn't name names, he truthfully lists off several of the things she's done to him, such as forcibly kissing him while staging a selfie and attempting to kill him while akumatized.
* In ''[[https://archiveofourown.org/works/21417982 to lose someone]]'', Lila convinces the class to [[BetrayalFic betray Marinette]] by tearing up her sketchbook. When Marinette arrives and sees the carnage, rather than breaking down, she just sighs and snaps a picture for evidence. ''Then'' she calmly explains to them that she has ''multiple'' sketchbooks, and that the one they just ruined was full of projects she'd been working on ''for them''... meaning that they aren't getting those things anymore.
* In ''Fanfic/JerkInSheepsClothing'', while the Lila situation is not as bad [[https://archiveofourown.org/works/20695151/chapters/49157624#workskin here]] as it usually is in most salt fics, it is tense enough between Marinette and the class to have her fall victim to the charms of the new BitchInSheepsClothing, Henri [=LeRoi=]. While the class is somewhat cold and indifferent to Marinette because of Lila, Henri showers her with unquestionable affection and loyalty. This makes Marinette feel as if Henri is a better, more reliable and trustworthy ally than her class. So, naturally, when Henri starts bullying the class behind her back and lying to her about it, she believes him over the class and shuns her friends for “picking on” him.
** Henri also uses Adrien’s advice about the high road against him to paint him as a ManipulativeBastard to Marinette, insisting that he asked her not to expose Lila for his own comfort and convenience rather than a desire to keep the peace, that Adrien sees fit to let his friends and teachers get led on by Lila’s lies as long as he himself isn’t getting hurt.
* ''FanFic/TheOneToMakeItStay'':
** Lila's [[CelebrityLie claims to have worked with Prince Ali]] work against her in this 'verse, [[ForWantOfANail thanks to Rose having his contact information]] and texting him, eager to learn more.
** Lila also unintentionally undermines her grasp on Alya, one of her most fervent defenders, by secretly messing with Alya's phone during one of their outings. By turning off her notifications, she causes her to miss some important calls from her family, getting her into serious trouble... and her subsequent realization that Lila was the only one who could have done so goes a long way towards convincing her that she's a BitchInSheepsClothing.
** Chat Noir's decision to [[BetrayalByInaction refuse to help Ladybug fight akuma]] until she agrees to start dating him leads her to rely upon temporary heroes like Viperion more and more. The disrespect he then shows towards these other heroes drives a deeper wedge between them.
** Ultimately, Adrien/Chat Noir's [[EntitledToHaveYou entitled attitude towards Ladybug]] and staunch belief that he can [[DoggedNiceGuy harass her]] [[ThinksLikeARomanceNovel into giving in to his romantic advances]] is directly responsible for his downfall: [[spoiler:Miracle Queen disguises herself as Ladybug and offers a false confession. Despite her acting ''nothing'' like the real Ladybug, Chat Noir eagerly accepts the idea that he's finally browbeat her into 'accepting his love', even ordering her to 'prove it' by kissing him. This gives her an opening to slip his ring right off his finger, passing it on to Hawkmoth]].
* This is central to the plot of ''[[FanFic/BurnTheWitchMiraculousLadybug BURN THE WITCH]]'', as Adrien convinced Marinette to stop trying so hard to [[LiarRevealed expose Lila]] by reasoning that her lies would eventually catch up to her like this. While this proves to be true, the fic [[DeconstructionFic takes a sledgehammer to his logic]] by illustrating how he didn't consider that she would continue manipulating everyone ''until'' she gets caught out. Rose pays the price, as Lila exploits her efforts to help out her non-existent charity, lining her pockets with all the cash she and others are so ''generously'' donating to her cause.
** Lila's exposure happens in part because she used a good chunk of her ill-gotten funds on filling out her wardrobe with the latest, most expensive trends. Once Rose confronts her and starts asking where the money's gone, Chloe cheerfully contributes by pointing out to her classmates just what she's wearing.
** Her attempt to repay Marinette's efforts to protect her from the mob by [[TheFarmerAndTheViper sacrificing her as a distraction]] completely backfires, as it only draws Witch Hunter's attention to her and ruins her PaperThinDisguise.
** ''Then'' she takes shelter with a family willing to hide her from the masses, only to shoot herself in the foot by trying to MaintainTheLie of [[MadeOutToBeAJerkass painting Marinette as her bully]]. Unaware that she's speaking to the mother and brother of one of her classmates, and that neither is willing to buy her claims -- even when she doubles down on them, [[DiggingYourselfDeeper unwilling to admit the truth]].
** To top it all off, Hawkmoth shatters her illusions that he won't let her come to any ''real'' harm by delivering a BreakingSpeech through Witch Hunter, spelling out how she [[YouHaveOutlivedYourUsefulness isn't useful any longer]] now that [[LiarRevealed all of Paris knows her true nature]]. He finishes off his speech by sarcastically calling her his '[[IronicEcho friend]]', causing her to realize that he just played her the same way she played all of ''her'' 'friends' - using her as an UnwittingPawn while she was none the wiser.
* In [[https://unmaskedagain.tumblr.com/post/190538623842 this post]], Lila spikes Marinette's drink, hoping she'll embarrass herself while drunk. Marinette proceeds to topple Lila's entire mini empire at Dupont courtesy of her lacking any filter or inhibitions.
* ''Fanfic/OneStepBackwardsAndThreeForwards'' has this as a running theme: though [[TheBadGuyWins Hawkmoth triumphed]] in the original world, the new reality shaped by the Wishes he and his supporters made (and [[JerkassGenie the furious Tikki and Plagg]]) ensures that their decisions come back to haunt them:
** Alya wished to become a great IntrepidReporter, only to learn the downsides of GoingForTheBigScoop. Especially without a superhero like Ladybug around to bail her out when she gets in over her head, or the protection of the Fox [[spoiler:after Marinette switches it out for a decoy]].
** After Dame Papillion's debut, Lila 'subtly hints' to Adrien that she's the secretive superheroine, claiming credit for her good deeds. This bites her hard once Gabriel [[InternalReveal learns about the new hero]] and is convinced that Lila must have stolen the Butterfly from him.
** Lila snaps a photo of Felix comforting Rose in order to try and make him look like a two-timer. Not only does Felix counter the rumors with BrutalHonesty, she's quickly outed as the anonymous poster 'Volpina', with Juleka spinning it around to look like she was jealous of her relationship with Rose.

[[AC:''Manga/MyHeroAcademia'']]

* ''Fanfic/MastermindStrategistForHire'': During his fight against Overhaul, [[VillainProtagonist Mastermind]] stabs him with a knife coated in his own Quirk erasing drug, rendering him Quirkless and ultimately leading to his death.
* Monoma suffers this ''twice'' during the joint training exercises between Class 1-A and 1-B in ''Fanfic/DekuIThinkHesSomePro'':
** When Tokoyami picks Monoma, Monoma tries to copy his Quirk, only for his incarnation of Dark Shadow to buck and attack everyone indiscriminately (including Monoma himself) like a wild animal. Since Tokoyami's Shadow is much more tame and obedient, it pins Monoma down and wins him the match.
** Monoma picks Izuku as his opponent when he discovers that he was the fifth recommendation student, thinking that he must have a powerful Quirk that he intends to copy. Izuku offers him a chance to copy someone else's Quirk before the fight, but Monoma declines, thinking he is being [[SmugSuper boastful]]. He manages to reach Deku and touches him, but his recklessness and the shock of realizing Izuku is [[UnSorcerer Quirkless]] leave him wide open and unable to fight back when Izuku just pins him to the ground.
* In ''[[https://www.fanfiction.net/s/12981284/12/Heaven-s-Eye Heaven's Eye]]'', Monoma copies Aoyama's navel laser during the Sports Festival. Without Aoyama's special belt, Monoma only manages a cloud like emission rather than a focused laser. When he tries to force it for several seconds, the backlash causes Monoma to soil himself.
* ''FanFic/ErasedPotential'': During the USJ assault, Shigaraki decides to taunt Izuku by disintegrating his equipment. Specifically, he targets [[spoiler:his eskrima rods]]. This turns out to have been a ''phenomenally'' bad idea, as the disintegration causes them to ''blow up in his hands''.
* ''FanFic/SleeperHitAU'': Bakugou's utter refusal to see anything wrong with how he treated Midoriya bites him ''HARD'' during their climatic confrontation.
** Firstly, there's the fact that he's crashing his meet-up with Kirishima and a handful of others in the first place. Bakugou certainly wasn't ''invited'' to Dagobah Beach, and shows up entirely of his own accord -- and unlike the others, who came in casual wear, he's in full hero attire, hinting at his hostile intentions.
** He then goes on a blistering MotiveRant where he [[NeverMyFault blames Deku for all his problems]], even declaring that he wishes Izuku ''had'' [[DespairEventHorizon broken after being expelled]] and [[SuicideDare taken his advice]]... because while he may not have meant it at the time, now he sincerely wishes that Midoriya had ''killed himself'' back then and stopped 'getting in his way'.
** ''Then'' he attacks him, bringing the full force of his powers against his fellow Pro -- and this, along with the rest of their confrontation, is all [[spoiler:caught on video thanks to Aizawa]], ensuring that he won't be able to escape the consequences of his actions.
** On top of all of this, the fact that he openly admits to bullying Izuku without the slightest hint of remorse or shame [[BrokenPedestal costs him Kirishima's regard]], as he drops his [[FriendlyAddressPrivileges 'Bakubro' nickname]] and [[MeaningfulEcho reminds him of Shigaraki's declaration]] that he was more villain than hero.

[[AC:''WesternAnimation/MyLittlePonyFriendshipIsMagic'']]

* ''Fanfic/AncientSins'': [[spoiler:the entire hidden plan of Dante's is for his plans to fail, since he wants the heroes to become strong enough to defeat him for good, but really to purge the true villain who's been manipulating him from the beginning. After his final defeat, he pretends he was the true villain and eventually joins the heroes, but later reveals his secret.]]
* ''FanFic/MyLittleMagesTheNightmaresReturn'': The Diamond Dogs chase the girls into an Ursa Minor's cave, hoping they'll enrage it and it'll kill them. [[FriendToAllLivingThings Fluttershy]] manages to calm it down, and then sic it on the dogs.
** [[spoiler:[[TheDragon The Grand Master]] -- Pinkie's [[ArchnemesisDad father]] -- injects her with [[PsychoSerum Heart's Desire extract]] in order to bring out her dark side, so she'll join him. Unfortunately for him, said dark side is ''FanFic/{{Cupcakes}}'' levels of crazy, and she ends up nearly killing him before he retreats.]]
* ''Fanfic/LovedAndLost'':
** [[spoiler:Jewelius tries to escape in his chariot, but fails because the wedding cake toppers he gave Spike to torment the exiled baby dragon are jammed into a wheel by Spike, ejecting Jewelius from the chariot]].
** [[spoiler:The same Changelings whom Jewelius betrayed and, following their escape, foolishly ignored in favor of pursuing the heroes return the favor by [[EatenAlive eating Jewelius alive]]]].
* Happens to a nameless Griffin {{Mook}} in ''Fanfic/AceCombatTheEquestrianWar''. When he tries to bomb Stalliongrad, the pegasi manage to send the bomb he drops back at him, coupled with Derpy knocking the soldier toward the incoming bomb that went off.
** The sequel mirrors this, with an Exile Pegasus trying to bomb Ponyville. This time, it's Sunburst getting the kill: he delivers a powerful kick to stun the bomber, and then catches the bomb and throws it at his foe (who's already falling out of the sky) to finish him off. There's even a brief cut to the bomber's perspective, ''[[OhCrap as he helplessly watches his own bomb coming at him!]]'' And to top it all off, there's Sunburst's PreMortemOneLiner:
--->'''Sunburst:''' "You forgot something!" *KABOOM!*
* In the ''FanFic/PonyPOVSeries'', at the climax of the [[BadFuture Dark World Series]], [[spoiler:this is how Nightmare Eclipse/Paradox is ultimately defeated. Twilight copies her [[TimeMaster time magic]] and uses it to take advantage of how badly Paradox's GroundhogDayLoop plan has screwed up the timeline to [[GondorCallsForAid summon]] the [[CrisisCrossover G1, G2, G3, and (pre-Reign of Chaos) G4 Mane Casts]] in order to use their combined Elements of Harmony to finally defeat Paradox and her PsychoRangers.]]
** She also gets a double dose because [[spoiler:her plan of merging with every version of Nightmare Purgatory the moment of their birth results in ''all'' the alternate Nightmare Eclipses being linked to her, so her defeat ends up taking all of them with her.]]
** Earlier in Dark World, Rancor showed awareness of this trope and avoided it as best she could, refusing to use her Concept Killing Spear in battle with the Elements of Harmony, and later destroys it after using it to [[spoiler:steal Destruction's power from Discord]], so no one can ever use it against her. That said, her insistence on fighting Dark World!Spike backfires when he [[GeniusBruiser figures out]] how to get around her immunity to violence to actually hurt her.
** The Dazzlings run on ThePowerOfHate. For this reason, [[spoiler:when they are frozen in Windigo ice, their own power strengthens the ice and stops it from melting.]]
* In ''Fanfic/TheRiseOfDarthVulcan'', Big Boss, a dragon who obtained a massive hoard of gems by enslaving and abusing [[WesternAnimation/MyLittlePonyFriendshipIsMagic the Diamond Dogs]], is defeated when the title character uses his magic to form ''talons from the gems and metals of that very hoard'' , grabs him, and smashes him around repeatedly with them. And ''then'', Vulcan seals his mouth and nostrils shut with that treasure, causing the backfire that blows Big Boss' head off.
* [[AdvancingWallOfDoom The barrier]] in ''FanFic/TheConversionBureauTheOtherSideOfTheSpectrum'' does this to the Solar Empire ponies. While it's their main trump card (as they'd have been [[CurbstompBattle destroyed within days]] without it), it's made abundantly clear that the Barrier is, for lack of a better term, screwing them over. Since it destroys ''everything'' made by humans, like agriculture, infrastructure, buildings and the information on how to make those things, the TCB!ponies that are trying to colonize earth are forced to build everything from scratch (for example, they can't use human steel to make railroads since that gets destroyed) while also diverting their resources to the war. And thanks to the massive influx of newfoals, production of food (and virtually everything else) is at an all time low.
** Also in this TCB-verse, [[FanFic/TheConversionBureauNotAlone unicorns can turn human firearms against their shooters]]. So the PHL puts runes on their guns to make trying... painful.
** The Fujin missile which took down the Great Equestrian airship was able to do so by absorbing all the magic the TCB!ponies used in a failed attempt to stop it.
** TCB!Cloudchaser was hit by a poison that works like this -- it absorbs any magic in the area and kills the person or pony slowly. Thankfully, [[spoiler:Discord]] saves the day.
* ''[[FanFic/RealityChecksNyxverse Alicornundrum]]'': [[BigBad Duke Blueblood]] is ultimately brought down when Nyx and her friends break into his home and find proof of his conspiracy against the throne, which is enough to horrify his son Prince Blueblood enough to help expose him. And all this only happened because the Duke spread photoshopped pictures of Nyx and her friends in lewd conditions as part of a petty smear campaign.
* ''FanFic/ThePiecesLieWhereTheyFell'': If Sunset Shimmer had waited for the dance, she could have gotten the crown easily. Instead, she has Snips and Snails steal it early, is caught in the act, and banned from the dance.

[[AC:''Manga/{{Naruto}}'']]

* During the fiance arc of ''FanFic/AGrowingAffection'', Hinata's grandfather Hyouta uses the Hyuga Clan's laws and traditions to try to break up Naruto and Hinata. When he thinks he has won, he says the wrong thing, and those same laws get turned on him. The result is Hyouta getting curb-stomped by Naruto, and then losing his power and status.
* ''Fanfic/EscapeFromTheHokagesHat'': The Third Hokage's law about not telling anyone Naruto has the Kyuubi sealed in him. The parents of Konoha used it to turn him into a pariah. When Ino and Choji actually call their parents out on it and ask '''WHY''' they did it, the law prevents them from telling them the real reason and they end up looking like hateful pricks to an orphan.
* Shikamaru's match with Tenten goes this way in ''[[https://www.fanfiction.net/s/4573620/17/A-Drop-of-Poison A Drop of Poison]]''. Tenten immediately opens with her best technique which involves throwing massive numbers of weapons at her enemy then, if they dodge, pulling the weapons back with the wires attached to them and throwing again. Unfortunately for her, each of those wires casts a shadow, which leads directly to her own shadow. As Shikamaru explained, once that happened, he just needed to grab one of her weapons to make her bring one to her throat. It didn't help that because she leaps high into the air, she injures her legs upon landing since she can only mimic Shikamaru's movements.
* In ''{{FanFic/Vapors}}'' Deidara accidentally drops some of his explosive clay on himself when Aiko [[TeleportSpam closes the distance]] before he can blink. When he detonates ''all'' of his clay as a distraction to escape, the bit he'd dropped in his own lap blows his leg half-off.

[[AC:''Anime/NeonGenesisEvangelion'']]

* ''Fanfic/AdviceAndTrust'': Ritsuko orders Shinji and Asuka to start spending more time with Rei, hoping that they help Rei to raise her synch scores. However the result is that Shinji and Asuka are learning things about Rei that neither Ritsuko nor Gendo want them knowing. Even worse, they have helped to Rei to become self-reliant and [[TrueCompanions have bonded with her]], and now she questions Gendo's will, trusts Shinji and Asuka more than she trusts him, and is willing to disobey his orders.
* ''Fanfic/NeonGenesisEvangelionGenocide'': [[SmugSnake Kluge]] forms an alliance with [[spoiler:the Emerald Tablet, [[AIIsACrapshoot a rogue A.I.]]]] to help him and SEELE bring down NERV and cause Instrumentality. [[spoiler:After getting inside the Geofront with Kluge's help, the Tablet quickly concludes that [[YouHaveOutlivedYourUsefulness Kluge has outlived his usefulness and kills him]].]]

[[AC:''WebAnimation/{{RWBY}}'']]

* Subverted in ''Pyrrha(c) Victory''. One of the characters buys the equivalent of a love potion, intending to use it on the boy she likes...and eventually decides not to, reasoning that it would be wrong, and that it probably wouldn't work anyway. Despite this, [[RuleOfDrama she trips and accidentally doses herself with it]]. Moral of the story? Illegal substances are ''nobody'''s friend.

[[AC:''Literature/SherlockHolmes'']]

* ''[[Fanfic/DeliverUsFromEvilSeries Mortality]]'': Most likely Moran gets killed by either Holmes or Watson after Moran tries to kill the former.
* In ''Fanfic/ANightInTheSculptureGarden'', [[spoiler:Irene Adler's plan to blackmail Molly Hooper into helping her backfires when Molly refuses and leaves her stuck as a statue]].

[[AC:''Franchise/StarTrek'']]

* One ''Series/StarTrekTheNextGeneration'' Fan Fic involving Q creating a second Jean Luc seems to be written [[{{Feghoot}} just to conclude with]] Data telling him "I'd say you were hoist by your own Picard."

[[AC:''Franchise/StarWars'']]

* In ''[[https://archiveofourown.org/works/17636003/chapters/41584895 Supreme Chancellor Obi-Wan Kenobi]]'', Palpatine falsifying scores of Jedi mission briefings to keep Obi-Wan away from Anakin as much as possible (to further cement his own hold over the boy) results in the leaders of every planet Obi-Wan was sent to remembering how he saved them. Dozens of them band together to call for a vote of No Confidence in Palpatine and a second vote to have Obi-Wan instated as Supreme Chancellor (Jedi Council members are technically considered senators). Furthermore, Obi-Wan proves so popular on all the planets he was sent to that within a single month, ''fifty five'' end up defecting from the Seperatists because they remember him and know he'll root out the corruption in the senate.

[[AC:''{{Literature/Worm}}'']]

* ''Fanfic/{{Atonement}}'': Going to Brockton Bay leads to the deaths of everyone in the Nine except Burnscar and Mannequin and the end of the Slaughterhouse Nine as a threat.
* ''FanFic/AChampionInEarthBet'': Due to [[PhysicalGod the Avatar]]'s use of [[WindsOfDestinyChange fate manipulation]], the Simurgh ends up shooting herself with her own AntiMatter Tinker cannon. Which is all the opening the Avatar needs.

[[AC:''Franchise/YuGiOh'']]

* Happens quite a bit in ''Fanfic/ArcVedProtagonists'':
** In "Coming Right Back": Yugi was able to get Maximum use out of the spell card United We Stand because he was able to fill his entire field with Kuriboh tokens by the effect of kuritablet, which would only do so after Yuya destroyed a monster. Furthermore, because Yuya attacked one last time after that, Yugi had one open space to be filled with Dark Magician (the monster United We Stand was used with) thanks to Eternal Soul.
** In "Synchro Testing" Yusei would only be able to use the effect of his Synchro Uprising Trap if one of his Synchro monsters was destroyed that turn. Once Yugo used the effect of his Clear Wing Synchro Dragon on Junk Warrior, Yusei was able to play it to allow him to summon [[spoiler:Cosmic Blazar Dragon and win the duel.]]
** In "Shining Warrior, Dark Dragon", Yuto played Magic Cylinder against Yuma, Which can negate an attack and inflict Damage to his opponent equal to the attack of the monster whom had it's attack negated. [[spoiler:As an added bonus, Yuma's monster actually had an effect that can take it off the field and dodge the trap card, but because Yuma powered it up with Stoic Challenge, he wasn't allowed to activate that effect, costing him the duel.]]
** In "Reluctant Choice", Atticus using the effect of Red-Eyes Wyvern winds up helping Yuri more then it helped him, as without it, there wouldn't have been enough monsters on the field for Yuri to use as Fusion Material on his next turn.
** In "Dark Fusion", Jaden's strategy to defeat Dennis heavily relied on the fact that Dennis's Pendulum cards were treated as spell cards while in the Pendulum Zone, both to power up his monsters and to get rid of one to stop it's effect from getting in the way. To make it even more of this trope, Jaden haven't even heard of Pendulum Summoning when the duel started or knew anything about Pendulum cards, Jaden only knew this info because Dennis made use of it on his previous turn.

----

[[AC:''Webcomic/AxisPowersHetalia'']]

* In ''Fanfic/SevenLittleKillers'', [[spoiler:Canada]] has been dumping the bodies of the people [[spoiler:America]] allows to be killed in the river. Unfortunately for him, [[spoiler:he turns out to be one of the people America decides to let die]]. Guess where he winds up drowning?

* In ''[[Fanfic/SovereignGFCOrigins Origins]]'', a ''Franchise/MassEffect''[=/=]''Franchise/StarWars''[[spoiler:[=/=]''[=Borderlands=]''[=/=]''[=Halo=]'']] MassiveMultiplayerCrossover, the [[StateSec Republic Intelligence Service]] tries to capture a [[spoiler:Force-sensitive Siren]]. However, their attack only makes the target stronger. Naturally, this target is not happy. [[CurbStompBattle Ass-kicking]] ensues.

* ''FanFic/ErasedPotential'': During the USJ assault, Shigaraki decides to taunt Izuku by disintegrating his equipment. Specifically, he targets [[spoiler:his eskrima rods]]. This turns out to have been a ''phenomenally'' bad idea, as the disintergration causes them to ''blow up in his hands''.

* In ''Fanfic/LadyBugOut'', Lila naturally pretends to be helping Ladybug maintain the titular blog. When Marinette posts a video where she 'interviews' her alter go in ''The Interview Ruse'', Lila accuses them of trying to make her look bad... but Ivan [[SpottingTheThread points out]] that Marinette wasn't around whenever Lila bragged about her involvement. Her panicked attempts to blame somebody else only manage to further rile up her classmates, and when she attempts to invoke ExactWords by claiming that she never actually ''said'' she was working on the blog, only that Ladybug had asked her for help, she's called out on it. This leads to everyone but Alya, Nino and Adrien turning on her after realizing that she'd been [[WasItAllALie lying the whole time]], losing all her influence.

* ''Fanfic/WithPearlAndRubyGlowing'': it's easy to get caught in a lie when that lie is that the resident SweetPollyOliver got you pregnant.

* ''Fanfic/EscapeFrom TheHokagesHat'': The Third Hokage's law about not telling anyone Naruto has the Kyuubi sealed in him. The parents of Konoha used it to turn him into a pariah. When Ino and Choji actually call their parents out on it and ask '''WHY''' they did it, the law prevents them from telling them the real reason and they end up looking like hateful pricks to an orphan.

* ''[[Fanfic/HarryCrow Harry Crow]]'': Lucius Malfoy has 24 hours to withdraw the contents of his Gringotts vaults and anything left behind after then will be unreachable until his son becomes of age. Lucius is forced to miss the deadline because the Ministry has him under arrest and his wife can't do it for him because he never gave her permission to withdraw more than one hundred thousand Galleons per day. Later he gets another heaping dose when he does send his wife for those hundred thousand and she offers the money to Fudge to have the charges thrown out. Fudge promptly charges him with a bribery attempt and uses the cash as evidence.

*** In Episode 5, [[spoiler: [[UnknownRival Quis']] plan is to set up Dib to look like he was running a ScoobyDooHoax and get him kicked out of the SEN for fraud. Instead, events play out so that Quis is exposed, with him being the one kicked out.]]

* ''[[https://www.fanfiction.net/s/4991314/1/Escape-from-the-Hokage-s-Hat Escape From the Hokage's Hat]]'': The Third Hokage's law about not telling anyone Naruto has the Kyuubi sealed in him. The parents of Konoha used it to turn him into a pariah. When Ino and Choji actually call their parents out on it and ask '''WHY''' they did it, the law prevents them from telling them the real reason and they end up looking like hateful pricks to an orphan.

* In ''[[https://www.fanfiction.net/s/12981284/12/Heaven-s-Eye Heaven's Eye]]'', Monoma copies Aoyama's navel laser during the Sports Festival. Without Aoyama's special belt, Monoma only manages a cloud like emission rather than a focused lase. When he tries to force it for several seconds, the backlash causes Monoma to soil himself.

* ''Fanfic/AncientSins'': [[spoiler: the entire hidden plan of Dante's is for his plans to fail, since he wants the heroes to become strong enough to defeat him for good, but really to purge the true villain who's been manipulating him from the beginning. After his final defeat, he pretends he was the true villain and eventually joins the heroes, but later reveals his secret.]]

** Monoma picks Izuku as his opponent when he discovers that he was the fifth recommendation student, thinking that he must have a powerful Quirk that he intends to copy. Izuku offers him achance to copy someone else's Quirk before the fight, but Monoma declines, thinking he is being [[SmugSuper boastful]]. He manages to reach Deku and touches him, but his recklessness and the shock of realizing Izuku is [[UnSorcerer Quirkless]] leave him wide open and unable to fight back when Izuku just pins him to the ground.

[[AC:''{{Crossover}}'']]

* In ''[[FanFic/SovereignGFCOrigins Origins]]'', a ''Franchise/MassEffect''[=/=]''Franchise/StarWars''[[spoiler:[=/=]''[=Borderlands=]''[=/=]''[=Halo=]'']] MassiveMultiplayerCrossover, the [[StateSec Republic Intelligence Service]] tries to capture a [[spoiler:Force-sensitive Siren]]. However, their attack only makes the target stronger. Naturally, this target is not happy. [[CurbStompBattle Ass-kicking]] ensues.

* ''[[FanFic/JusticeLeagueOfEquestria The Princess of Themyscira]]'': [[BigBad Ares]] uses the [[ArtifactOfDoom Alicorn Amulet]] to open a portal to Tartarus and unleash the army of demons there in order to start a ForeverWar. When the Amulet is destroyed by Diana, the portal closes, and Ares' attempts at keeping it open only results in him getting sucked in and [[SealedEvilInACan trapped inside]].

* ''FanFic/TheEquestrianWindMage'': At the end of Season 2, [[spoiler:when Demise is resurrected out of Ganondorf's body, he absorbs the Triforce of Power. However, the Elements of Harmony communicate with it, and turn it against him. The Elements and Triforce then work together to strike him down and render him DeaderThanDead.]]

[[AC:''Franchise/MarvelCinematicUniverse'']]

* In ''FanFic/LadyBugOut'', Lila naturally pretends to be helping Ladybug maintain the titular blog. When Marinette posts a video where she 'interviews' her alter go in ''The Interview Ruse'', Lila accuses them of trying to make her look bad... but Ivan [[SpottingTheThread points out]] that Marinette wasn't around whenever Lila bragged about her involvement. Her panicked attempts to blame somebody else only manage to further rile up her classmates, and when she attempts to invoke ExactWords by claiming that she never actually ''said'' she was working on the blog, only that Ladybug had asked her for help, she's called out on it. This leads to everyone but Alya, Nino and Adrien turning on her after realizing that she'd been [[WasItAllALie lying the whole time]], losing all her influence.

* In “Fanfic/JerkInSheepsClothing”, while the Lila situation is not as bad [[https://archiveofourown.org/works/20695151/chapters/49157624#workskin here]] as it usually is in most salt fics, it is tense enough between Marinette and the class to have her fall victim to the charms of the new BitchInSheepsClothing, Henri [=LeRoi=]. While the class is somewhat cold and indifferent to Marinette because of Lila, Henri showers her with unquestionable affection and loyalty. This makes Marinette feel as if Henri is a better, more reliable and trustworthy ally than her class. So, naturally, when Henri starts bullying the class behind her back and lying to her about it, she believes him over the class and shuns her friends for “picking on” him.

* In “Fanfic/JerkInSheepsClothing”, while the Lila situation is not as bad [[https://archiveofourown.org/works/20695151/chapters/49157624#workskin here]] as it usually is in most salt fics, it is tense enough between Marinette and the class to have her fall victim to the charms of the new BitchInSheepsClothing, Henri LeRoi. While the class is somewhat cold and indifferent to Marinette because of Lila, Henri showers her with unquestionable affection and loyalty. This makes Marinette feel as if Henri is a better, more reliable and trustworthy ally than her class. So, naturally, when Henri starts bullying the class behind her back and lying to her about it, she believes him over the class and shuns her friends for “picking on” him.
** Henri also uses Adrien’s advice about the high road against him to paint him as a ManipulativeBastard to Marinette, insisting that he asked her not to expose Lila for his own comfort and convenience rather than a desire to not cause tension, that Adrien sees fit to let his friends and teachers get led on by Lila’s lies as long as he himself isn’t getting hurt.

* In [[https://unmaskedagain.tumblr.com/post/190538623842 this post]], Lila spikes Marinette's drink, hoping she'll embarrass herself while drunk. Marinette proceeds to topple Lila's entire mini empire at Dupont.

* In “Fanfic/JerkInSheepsClothing”, while the Lila situation is not as bad here as it usually is in most salt fics, it is tense enough between Marinette and the class to have her fall victim to the charms of the new BitchInSheepsClothing, Henri LeRoi. While the class is somewhat cold and indifferent to Marinette because of Lila, Henri showers her with unquestionable affection and loyalty. This makes Marinette feel as if Henri is a better, more relatable and trustworthy ally than her class. So, naturally, when Henri starts bullying the class behind her back and lying to her about it, she believes him over the class and shuns her friends for “picking on” him.

* In “Fanfic/JerkInSheep’sClothing”, while the Lila situation is not as bad here as it usually is in most salt fics, it is tense enough between Marinette and the class to have her fall victim to the charms of the new BitchInSheep’sClothing, Henri LeRoi. While the class is somewhat cold and indifferent to Marinette because of Lila, Henri showers her with unquestionable affection and loyalty. This makes Marinette feel as if Henri is a better, more relatable and trustworthy ally than her class. So, naturally, when Henri starts bullying the class behind her back and lying to her about it, she believes him over the class and shuns her friends for “picking on” him.

* ''FanFic/TheStarsWillAidTheirEscape'': The BigBad [[spoiler:Herald]] ends up being defeated by several of his own actions throughout the story. [[KickTheDog Throwing the jar containing the CMC's souls over the waterfall]] not only allows them to be retrieved, but takes away the one thing that might have stopped Pinkie Pie from banishing him to outside of reality the same way he did it to the Princesses. That action in and of itself ends up costing him, as it allows them to fight him at full strength without having to worry about hurting their subjects as they would in Equestria, allowing them to begin winning the fight. This also buys the Mane Six enough time to kill the [[{{Mooks}} Dark Young]] and stop [[SealedEvilInACan Shub-Niggurath's summoning]].
* ''FanFic/TimeLordsAndTerror'': [[WickedWitch Hydia]], who spent the whole story trying to release [[EldritchAbomination the S'Muz]], ends up [[EvilIsNotAToy being its first victim]]. [[spoiler:Also, the S’Muz itself is defeated when the ponies use their Elements of Harmony to absorb both the PKE it stole and the PKE that makes up its body and disperse it into Equestria.]]

* In ''FanFic/ChildrenOfTheAtom'', The Super Mutants stockpile lime to smoke Rivet City's defenders out. Jason uses it on its creators.

** In “Coming Right Back”: Yugi was able to get Maximum use out of the spell card United We Stand because he was able to fill his entire field with Kuriboh tokens by the effect of kuritablet, which would only do so after Yuya destroyed a monster. Furthermore, because Yuya attacked one last time after that, Yugi had one open space to be filled with Dark Magician (the monster United We Stand was used with) thanks to Eternal Soul.
** In “Synchro Testing” Yusei would only be able to use the effect of his Synchro Uprising Trap if one of his Synchro monsters was destroyed that turn. Once Yugo used the effect of his Clear Wing Synchro Dragon on Junk Warrior, Yusei was able to play it to allow him to summon [[spoiler:Cosmic Blazar Dragon and win the duel.]]
** In “Shining Warrior, Dark Dragon”, Yuto played Magic Cylinder against Yuma, Which can negate an attack and inflict Damage to his opponent equal to the attack of the monster whom had it's attack negated. [[spoiler:As an added bonus, Yuma's monster actually had an effect that can take it off the field and dodge the trap card, but because Yuma powered it up with Stoic Challenge, he wasn't allowed to activate that effect, costing him the duel.]]
** In “Reluctant Choice”, Atticus using the effect of Red-Eyes Wyvern winds up helping Yuri more then it helped him, as without it, there wouldn't have been enough monsters on the field for Yuri to use as Fusion Material on his next turn.
** In “Dark Fusion”, Jaden's strategy to defeat Dennis heavily relied on the fact that Dennis's Pendulum cards were treated as spell cards while in the Pendulum Zone, both to power up his monsters and to get rid of one to stop it's effect from getting in the way. To make it even more of this trope, Jaden haven't even heard of Pendulum Summoning when the duel started or knew anything about Pendulum cards, Jaden only knew this info because Dennis made use of it on his previous turn.

* ''Fanfic/AncientSins'': [[spoiler: the entire hidden plan of Dante's is for his plans to fail, since he wants the heroes to become strong enough to defeat him for good, but really to purge the true villain who's been manipulating him from the beginning. After his final defeat, he pretends he was the true villain and eventually h=joins the heroes, but later reveals his secret.]]

* In ''{{FanFic/Alex}}'', the titular antagonist provokes her opponent, Marceline, to spit at her coat, the same way she spit at Princess Bubblegum's jacket at "What Was Missing". When she does it, the Witch uses a magic spell to put it at her gray top instead. Much after that, she has Finn and some wolves attacking her, the same way she did it to the former in "Go With Me".

* ''FanFic/TheFallOfTheFireEmpire'': [[spoiler:Azula is ultimately only defeated because one of her own [[UndyingLoyalty undyingly loyal]] Chosen is tricked into killing her.]]

* In ''FanFic/SevenLittleKillers'', [[spoiler:Canada]] has been dumping the bodies of the people [[spoiler:America]] allows to be killed in the river. Unfortunately for him, [[spoiler:he turns out to be one of the people America decides to let die]]. Guess where he winds up drowning?

[[AC:''WesternAnimation/BatmanBeyond'']]

* ''Fanfic/BatmanBeyondRevisited'': If the sadistic [[spoiler:Chainsaw]] isn’t burned to death by his own lighter, he’s killed by his WMD exploding. An explosion ''caused'' by his own lighter.

* ''FanFic/WithPearlAndRubyGlowing'': it's easy to get caught in a lie when that lie is that the resident SweetPollyOliver got you pregnant.

* In ''FanFic/CrownsOfTheKingdom'', Maleficent falls victim to her own time-twisting spell due to ''WesternAnimation/SleepingBeauty'' not being made until four years after Disneyland was built.

[[AC:''Franchise/{{Supergirl}}'']]

* In ''Fanfic/HellsisterTrilogy'', [[EvilSorcerer Mordru]] is more than powerful enough to wipe out the ComicBook/LegionOfSuperHeroes single-handedly. But he isn't satisfied with his already vasts levels of power so he travels to the actual Hell to make himself one with the essence of Evil. As attempting the merge, though, he put himself in a vulnerable position which gave Colossal Boy and Supergirl the opportunity to destroy him.

* In ''FanFic/CrownsOfTheKingdom'', Maleficent falls victim to her own time-twisting spell due to ''Disney/SleepingBeauty'' not being made until four years after Disneyland was built.