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-> ''"How dare you pick on a kid. That was unforgivable."''
-->-- '''Mia''' calling out '''Doubletone''' for making '''Ryan''' cry after giving up on Baseball in ''Series/PowerRangersSamurai''

Someone might be [[NiceGuy the kindest, most laid back person in the world]], but sometimes even they get [[BerserkButton pushed too far]]. Then they say ''"This is unforgivable![[note]]"Yurusenai!" or "Yurusanai!" in Japanese[[/note]]"'' and the audience knows that an asskicking of epic proportions is about to start.

To the western ear, it seems quite [[{{Narm}} anti-climactic and quaint,]] [[ValuesDissonance but to the Japanese, this is ]]''[[ValuesDissonance serious]]'' [[ValuesDissonance business.]] It is the Challenge, and it is rarely defeated. Specifically, it has to do with a notion in the Japanese culture of narrowing possibilities; if the subject can't be forgiven for a transgression, then the only ''other'' option is that [[DisproportionateRetribution he's about to get his head ripped off or otherwise punished in a severe fashion]][[note]]The act, being a form of DisproportionateRetribution might cause the person committing it to [[HeWhoFightsMonsters become the same person as the victim in terms of morality]].[[/note]]. It also has to do with the fact that in Japanese culture, being able to both ask for forgiveness and accept it are considered a virtue, therefore refusing to accept their forgiveness holds a lot more weight. And the person who can't forgive ''won't'' give this up. Most of this has to do with Japan's brutal code of [[HonorBeforeReason honor]] dating back to the Medieval times. Back in the era of the {{samurai}} and the like, this had even more teeth since the person who made this challenge very likely ''would'' chase you to the ends of the earth for revenge, [[RevengeBeforeReason even it it's detrimental]]. Basically, it's only said to someone who (in the speaker's opinion) has crossed the MoralEventHorizon, but also entails a burden: the speaker is ''so'' offended that a RoaringRampageOfRevenge is the ''only'' option. Obviously, it can overlap with PreAsskickingOneLiner, so expect serious butt-kicking in the following RightMakesMight fight.

"I will make you pay!", "I have had ''[[Film/StarTrekIIITheSearchForSpock enough]]'' of you!", "ThisMeansWar", "You have gone too far!", "YouMonster", "[[IllKillYou I'll Kill You]]!", "Your life is forfeit!", "You don't deserve to live.", "[[WeWillMeetAgain I'll get you for this!]]", "PrepareToDie!" etc. when used in dramatic situations are about the only Western expressions that come even close to what "This Is Unforgivable" means in Japanese.

It is also used as a way of pointing out to the audience how evil this guy is -- that he is completely beyond {{forgiveness}} and [[HeelFaceTurn redemption]], especially if the guy they said it to is a CompleteMonster. Particularly if the character being issued the challenge has crossed the MoralEventHorizon, so that the main character can freely kill them without FridgeLogic causing them to wonder [[MoralDissonance if that was really necessary]]. Similarly, it can also be used to point out [[WhatAnIdiot how stupid]] the guy is, seeing how they proved to be just plain TooDumbToLive. Naturally, anyone stupid enough to make that someone hit him / her with such a phrase is bound to feel rather [[ItsAllMyFault guilty]].

Much like GivingSomeoneThePointerFinger, this is becoming something of a devalued expression through overuse; it's prone to being bandied about lightly or overused, or for the hero to change phasers from "kill" to "massage" once they [[DefeatMeansFriendship beat and befriend]] the EasilyForgiven villain. This tends to break the emotional impact of "This Is Unforgivable."

In a classic fashion, villains are also quite fond of using this trope whenever everything is going wrong thanks to those puny heroes. Sometimes after they say "ThisCannotBe" and afterwards saying that they will return and such, they can be found saying this as a way of expressing that they will return for revenge against the heroes. Much like said trope, "This Is Unforgivable" can also sometimes even be a sign of either a HeroicBSOD for a heroic character or a VillainousBreakdown for a villainous character.

Sometimes phrased as "I'll never forgive you." See also TheCoatsAreOff.
----
!!Examples

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[[folder:{{Anime}} and {{Manga}}]]
* Whenever Kouji Kabuto of ''MazingerZ'' said this sentence, you knew he was REAL angry, and someone was going to be summarily trashed in the near future. A good example was in the manga, after he learnt [[BigBad Dr. Hell]] had created a weapon that was able to nullify gravity... and had tested it on an ''entire city''. Another two memorable instances happened in the ''{{Mazinkaiser}}'' movie (Mazinkaiser vs Great General of Darkness: at the beginning, after Lori and Loru's [[spoiler:HeroicSacrifice]], and at the end, right before he [[spoiler:absolutely destroys the Mykene empire army]]:
--> '''Kouji:''' Because of you... Many people have died... THAT IS UNFORGIVABLE! [[http://www.youtube.com/watch?v=qiZwGqhTP5I]]
** This sentence was also used fairly often by Baron Ashura (to Kouji and his friends after being defeated) and Dr. Hell (to Ashura after his servant botched still another operation).
** Tetsuya Tsurugi of ''GreatMazinger'' and Duke Fleed of ''UFORoboGrendizer'' also followed on the Kouji's steps.
* Yomiko of ''Anime/ReadOrDie'' says this as she breaks down and sobs in an incredibly TearJerker scene in the {{OVA}} after [[spoiler:the Nancy clone [[ImpaledWithExtremePrejudice impales the original Nancy with her arm]]]].
* As one of the oldest examples in {{Shonen}} anime (in fact, the show that kicked off the Shonen fighting genre), Kenshiro of ''FistOfTheNorthStar'' often only broke his [[TheStoic understated]] manner of speech to deliver this line, or a line to this effect, to some bad guy who went too far in [[KickTheDog Kicking The Dog]], often followed with something about how there [[LudicrousGibs wouldn't even be bones left]] [[PrepareToDie after he was done with the offending party]]. After saying it, he ''would'' kill the person he said that to. ''Even if'' DefeatMeansFriendship and the antagonist turned out to be noble all along.
* ''Anime/SailorMoon'':
** Used often in Sailor Moon's InTheNameOfTheMoon speech.
** Other Senshi also use it as well, specially Rei/Mars ([[spoiler:a MonsterOfTheWeek destroys her song sheets she worked so hard to write so she could be in her SchoolFestival]]) and Ami/Mercury ([[spoiler:another MonsterOfTheWeek uses ''babies'' as hostages, not allowing Moon and the others to attack her]]) in the R season.
** A particularly effective one of these was uttered by Makoto/Jupiter, just before destroying Falion with her Supreme Thunder attack.
** A baddie also uses this; namely, Nehellenia in the penultimate story arc in the anime, when Galaxia tricks her into unleashing a nightmare by repeatedly muttering "Unforgivable" until a mirror appears from her heart. She then shatters it, unleashing a curse onto Tokyo.
* Tenchi's mother in TheMovie, ''TenchiMuyo in Love,'' utters this. Yeah, up to this point, Achika was the OrdinaryHighSchoolStudent, and Kain was a SealedEvilInACan that nothing else in the universe could defeat. [[LetsGetDangerous Doesn't matter]].
* Haruka in ''{{Noein}}'' once she really starts getting pissed at the villain. It took the entire series for her to get to this point, and she had been accepting of nearly everyone else's [[Main/{{Jerkass}} Jerkassness]].
* Goku of ''Anime/DragonBallZ'' generally delivers this line to villains who went too far with [[Main/KickTheDog Kicking The Dog]], but tends to forget about it before the fight is even over (both Vegeta and Frieza were allowed to leave alive).
** The Frieza example was more of a case of CruelMercy on Goku's part (considering Frieza was HalfTheManHeUsedToBe at this point courtesy of his own energy disc), followed by blasting him to hell when Frieza made the mistake of trying to blast Goku InTheBack as he was trying to leave (though Frieza did get better).
** Taken to the next level in the last fight of the Cell Games arc. Cell went out of his way to make sure Gohan was well and truly pissed off, finally killing the GentleGiant Android 16, to let out Gohan's whole power. [[GoneHorriblyRight It]] [[BewareTheNiceOnes worked]].
** Also happened earlier in ''Manga/DragonBall'' when Tambourine killed Krillin. Unlike Goku's later "This Is Unforgivable" moments, Goku actually kills Tambourine purely for revenge.
*** This results in Piccolo subsequently invoking the trope.
* Judai of ''Anime/YuGiOhGX'' is fond of this phrase when ItsPersonal, i.e. finding out his mentor is a TreacherousAdvisor (working for the BigBad, okay, not too nice -- but betraying his trust = unforgivable).
** This is also a common utterance for the heroes in the original ''Anime/YuGiOh'' (not the Toei one). Offending Yami on a moral/emotional level is not good for your health.
*** Happens so often in the original manga its practically Yami's catchphrase. Whats especially hilarious is when he does it several ties to the same person.
* Jojo says this to Dio in ''Manga/JoJosBizarreAdventure'' after learning that Dio's minion [[AndYourLittleDogToo brutally killed his dog]].
* Chichiri of ''FushigiYuugi'', rarely angry, furiously unloads this statement on a group of warriors who are about to disgrace an ally's sacrifice. Wisely, they back down.
* Used in ''Manga/{{Naruto}}'' during the Retrieve Sasuke arc. Jirobo made the mistake of insulting Shikamaru, then fighting Choji, who considers him his best friend. He shouts the trope and wins the fight. Seriously, don't ever insult Choji's friends.
** Tsunade says this to the six paths of Pain after they level Konoha.
** Naruto himself is also clearly thinking this [[spoiler:during the fight with Pain. However, the Fourth happens to partially disagree because he believes what Pain said about the cycle of hatred. Naruto settles on a middle ground: he won't forgive Pain, but he won't kill him either ([[RedemptionEqualsDeath which ends up paying off]] [[LaserGuidedKarma very well]]]].
** In the "Fire Temple" Filler arc, Sora tells Kazuma he won't forgive him if he [[BerserkButton insults his father again]]. However, Kazuma's response is "You won't forgive me? So what?!"
** Naruto's fight with Gaara. Towards the end of the fight, he screams "I've HAD IT with you!" (in the anime) and head butts him. Later on, when both are too weak to even get up, he attempts to crawl ON HIS CHIN and defeat Gaara.
** Naruto says this to Haku after he "kills" Sasuke.
** Kakashi has this reaction to Kabuto [[DueToTheDead raising the dead and forcing them to fight for him]]. Specifically, Kabuto raised some of Kakashi's [[WorthyOpponent Worthy Opponents]], who had finally come to peace at the moment of their deaths. And Kabuto took away that peace by [[MoralEventHorizon yanking them back into the world of the living as undead slave soldiers]].
* ''Manga/{{Bleach}}'':
** When Rukia is being arrested, she tells Ichigo that if he comes after her, she will never forgive him. After some [[ComplainingAboutRescuesTheyDontLike complaining]], however, she comes to terms with the idea of him helping her.
** One of the earliest was when Orihime destroys the Numb Chandelier, after first declaring "I will never forgive those who hurt Tatsuki!"
** After Captain Komamura yells this at [[spoiler:Tousen and Aizen]], he proceeds to immediately bring out his Bankai and asskicking ensues. ''His'' ass, that is.
** Captain Hitsugaya utters this at [[spoiler:Aizen]] a few scenes earlier, in response to [[spoiler:Aizen stabbing Hinamori]]. Hitsugaya then gets worked.
** Ishida utilizes it during an internal monologue as he's facing down Mayuri Kurotsuchi. It's [[{{foreshadowing}} implied]] at the time that he might one day end up eating his words as the internal monologue also indicates his SuperMode response to how unforgivable he views Mayuri's behaviour to be has not met the requirements he was giving for activating the power.
** Mayuri had one of his own against Szayel Aporro Grantz. Szayel claimed to be perfect and Mayuri derided him for it, as a man of science would be rendered obsolete by perfection.
** In the English dub of anime episode 144, one of these occurs when Ichigo, Chad and Uryu Ishida fight two Arrancar in Aizen's palace in Hueco Mundo. Ishida says that the less human Arrancar look, the less intelligent they are. One of the Arrancar does ''not'' take this well and tells Ishida so. In a subversion, Ishida proceeds to destroy him in the ensuing fight.
** Charlotte Cuuhlhourne repeatedly screams this after Yumichika [[TraumaticHaircut damages his hair]].
** Barragan
*** Says this multiple times after all his [[EliteMooks Fraccion]] have been killed. It is unclear if he is angry at the captains for killing them or if he is angry at the fraccion for making him get off his ass and participate in the fight.
*** Says it twice in a row after he survives the Vizard Hachigen trapping him inside a kido barrier and Captain Soifon blasting him with her bankai.
** Similarly, Captain Yamamoto says this to the vice-captains when they need his help to destroy Allon.
*** He earlier tells Kyoraku and Ukitake that while he's willing to allow his other men to track down and kill Renji for saving Rukia from her execution, their dishonoring their position as captains is far more severe and forces him to deal with them personally. He also seems to take it personally that ''they'' were the ones to sabotage the execution, if his boasting about the pair is anything to go by; it's 'unforgivable' not just as his subordinates but as his [[LikeASonToMe favourite students]].
** Ichigo says it to Kumoi (who's holding Lurichiyo hostage) in anime episode 186.
** After Tousen outlines his grievance against Kenpachi for killing the previous captain of Squad 11, Kenpachi asks if Tousen hates him, Tousen responds in the dub by saying that "(he) simply find(s him) UNFORGIVABLE!" (and says that Kenpachi is "[[MoralEventHorizon beyond redemption]]" in the English version of the manga) before releasing his bankai.
** Subverted in anime episode 198. During the fight between Espada #7 (Zommari Rureaux) and Captain Byakuya Kuchiki, Rureaux says it to Kuchiki after Kuchiki uses his bankai on him. Captiain Kuchiki then proceeds to effortlessly deflect Rureaux's special attack and destroy him with a single blow.
** Anime episode 204. Princess Lurichiyo and her servitor Kenryu have a falling out over Kasumioji clan policies. To heal the rift between them, Ichigo and friends pretend that Kenryu is going to commit suicide in shame. Lurichiyo falls for it, but Kenryu blurts out the truth and Lurichiyo tells Ichigo and the others that what they did was unforgivable.
** Anime episode 243. Yumichika says it to his zanpakuto's manifested spirit Ruri-iro Kujaku while fighting him.
** Anime episode 289. Arrancar #0 Yammy Riyalgo says it to Captains Byakuya Kuchiki and Kenpachi Zaraki while he's fighting them. He then activates his Resurrección form.
** Anime episode 326. Captain Hitsugaya and Reigei!Momo are fighting, with Hitsugaya getting severely hurt because he can't fight back. When the real Momo Hinamori intervenes, she tells Reigei!Momo that hurting Hitsugaya is unforgivable. It turns out that the real Momo Hinamori is in fact [[spoiler:another Reigei!Momo pretending to be the real one]].
* Kagome from ''Manga/InuYasha'' has this reaction when ManipulativeBastard [[BigBad Naraku]] stages an EvilPlan designed to turn the TrueCompanions against Sango and/or corrupt her by forcing her to kill her mind-controlled little brother and/or kill them all by luring them into a castle full of poisonous miasma. She locates him by the fragments of the Shikon no Tama he has, and fires a purifying arrow at him. [[HolyHandGrenade Which blows through a building outer wall, dissipates the toxic miasma,]] ''[[HolyHandGrenade and]]'' [[HolyHandGrenade blows off his arm.]] He is so stunned he just stands there while she fires a ''second'' arrow at him, which reduces him to [[NighInvulnerability a head]]. After that he flees, and it's a long time before he dares face her again. She's actually so pissed off that the mere ''beginning'' of her "I won't forgive you"-like declaration features [[http://www.mangareader.net/226-16366-17/inuyasha/chapter-110.html a whole page]] and follows ''for several pages''.
* [[MahouSenseiNegima Negi]] uses it the [[http://www.mangafox.com/page/manga/read/71/mahou_sensei_negima/chapter.11094/page.11/ first time he confronts Fate Averruncus]], this is a subversion, since Fate way out-classes Negi. Later [[OldMaster Evangeline]], however, [[IAmNotLeftHanded kicks much butt]].
** [[http://www.batoto.net/read/_/2246/mahou-sensei-negima_v21_ch190_by_aquastar/14]] uses it facing down a magical wild beast.
* This is practically King Dedede's {{Catchphrase}} in ''KirbyOfTheStars''.
** Then there's that moment in the episode "Sweet and Sour Puss" when a monster called Togeira possesses him, taking away his ability to get angry and causing him to act kind and calm towards others even through all the beatings everyone gives him. Much later, after the King has been pounded and smacked around enough, Togeira, having been storing his anger from within him while everyone was beating on him, stores enough of his anger to unleash it all in one big mega-attack that has Dedede exploding into a massively firey rage that scares everyone and scream at the top of his lungs, "Now it's payback time!" Dedede eventually goes back to his normal self after he slips on a banana peel, therefore knocking Togeira right out of his own head.
* In ''OnePiece'', Luffy angrily battles Zoro because he had slaughtered most of the villagers of an island (early on into the Baroque Works arc), who had given the Straw Hats plenty of food earlier on (pointed out by Luffy looking like an impossibly fat slob at the moment). Luffy was unaware that they were in fact bounty hunters. He even actually utters "Unforgivable" before the battle rages higher.
** In fact, any time Luffy angrily shouts something about TrueCompanions (at a villain, that is), it means this (as abusing one's TrueCompanions or threatening his own is the one thing that will make Luffy go mad). After this, [[CurbStompBattle asskicking ensues]].
** Robin gets like this whenever someone destroys history in front of her (ruins, artifacts, etc.). In the Skypiea arc, the poor bastard who pressed her BerserkButton ended up begging for forgiveness. Robin's response? "No." * CRACK*
** In the sixth movie, after Luffy thinks [[spoiler:his entire crew has been eaten by a sentient plant controlled by a man with a palm tree on his head]] he shouts (repeatedly if I remember correctly) YURUSENAI! before proceeding to ... actually, get his butt handed to him for once.
** Dueling examples from Iceberg and Franky. Iceberg declares he can't forgive Franky for building the weapons that were used to frame their father figure, Tom. Franky in turn cannot forgive Iceberg for building ships for the World Government, who did the framing. Both are subversions. Iceberg states that even if he can't forgive Franky, he is still happy Frankey isn't dead and eventually gets over his anger. Franky later realizes that Iceberg making connections with the government prevented them from doing the same to him as they did with Tom.
* This was practically the CatchPhrase of Cure White from ''FutariWaPrettyCure''. Cue asskicking of the MonsterOfTheWeek. Sometimes Cure Black said it at the same time, which is the leading cause of death among ''PrettyCure'' villains.
** Then, in ''SuitePrettyCure'', it becomes the pre-TransformationSequence [[PreAsskickingOneLiner one-liner]] CatchPhrase for the lead duo.
* A favourite line of ''Anime/DigimonSavers'''s Daimon Masaru.
** Typically, dubs don't carry this phrase over, substituting it for something that sounds more {{Badass}} to the Western ear, but the Savers dub, Digimon Data Squad, actually uses this phrase frequently. And since [[spoiler: Kurata]] is the biggest monster in the Digi-verse (yes, even Myotismon has met his match) everyone gets a chance to say it more than a few times. The dub of ''Anime/DigimonTamers,'' on the other hand, used it once, by [[TheHero Takato]] and [[DarkIsNotEvil Guilmon]] as [[KnightInShiningArmor Gallantmon]]. It was [[LampshadeHanging Lampshaded]] by [[BadassBiker Beelzemon]], who said "You can't ''forgive'' me? I don't recall ever ''asking'' for forgiveness!" And then the fight was on. It's not {{Narm}}ful like the Data Squad version because Gallantmon didn't dramatically yell it, but stated it in a more matter-of-fact "this is why I must kill you" manner, befitting a literal KnightInShiningArmor.
*** Despite Digimon being a kids show, Gallantmon was willing to execute Beelzemon, and would have gone through with it were it not for the fact that said enemy's biggest victim, Juri/Jeri, asked for him to be spared.
*** Also (bonus points for {{Irony}}) not only Takato and Guilmon, but the rest of the heroes ''including'' Jeri ''do'' forgive him after his HeelFaceTurn. Beelzemon, however, [[BeAllMySinsRemembered never quite manages to forgive himself]], and says this trope word-for-word.
--->'''Beelzemon''': What I did... is beyond forgiveness. I don't need anyone to tell me that.
** In the third-to-last episode of ''Anime/DigimonFrontier'', [[spoiler:Lucemon, in his Chaos Mode, is having his NearVillainVictory moment of being about to finish off the [=DigiDestined=] with his Ultimate Sacrifice attack. Loweemon gets in the way and sacrifices himself against said attack, and Lucemon absorbs Koichi's data after the deliverance of both darkness spirits to Koji by him following that. Takuya does not take well to what Lucemon did to Koichi AT ALL. "How could you?! Lucemon, you've gone too far!!!!" Cue the appearance of Susanoomon afterwards]].
*** Prior to that, the [=DigiDestined=] were in their final battle against Crusadermon and Dynasmon. Interestingly, up until that point, every other time they fought them, the Royal Knights had been kicking their sorry asses [[spoiler:until Lucemon was finally resurrected]]. One episode later, after [[spoiler:Lucemon's revival]]? Crusadermon [[spoiler:seems to have been having trouble having faith in Lucemon lately]], which leads her to get knocked down easily by [=MagnaGarurumon=], to Dynasmon's horror. Enraged, Dynasmon vows to make the children pay for the "ruinous wound" as he called it, and prepares to use his Breath of Wyvern attack... only to proceed to get his butt handed to him on a plate by [=EmperorGreymon=] just as easily.
** ''Anime/DigimonAdventure'' had a [[TearJerker quite]] [[NightmareFuel horrific]] instance this from [[IneffectualSympatheticVillain Mummymon]] in the penultimate episode: after watching [=MaloMyostimon=] ''brutally'' torture and kill Arukenimon [[ForcedToWatch while he and the heroes watch in horror]], Mummymon ''flips out'' and attacks [=MaloMysotimon=], trying to avenge her.
--> '''Mummymon:''' "You've taken away my Arukenimon, ''and now I'm going to make you PAY for what you did to her!''"
* Kouta, from ''Manga/ElfenLied'', is understandably miffed when he realizes that [[spoiler:the young woman he's been helping since the first episode is the same one that he watched kill his father and sister years ago]]. And the EnfanteTerrible Mariko considers her fellow lab project Nana having friends to be cause enough for this.
* In the finale of ''GGundam'', Domon says this to [[spoiler: Major Ulube]], who has been behind all the crap Domon had to go through.
-->'''Domon:''' [[spoiler: You piece of filth! My dad! My mom! My brother! Schwarz! My master! You've taken them all from me! And now Rain! Ulube... ]] You'll pay for this. There's no way I'll ever forgive you!
* ''GundamSeed'' has Kira Yamato and Athrun Zala go through this with each other, appropriately named the Cycle of Hate, when they kill each other's respective friend in battle. [[spoiler:The cycle only breaks when Athrun seemingly kills Kira himself. Kira actually survives and is nursed back to health by Lacus, Athrun's ex-fianceé. Ultimately subverted because as time passes, the complicating politics of the situation make each realize there are bigger things to worry about. They, Lacus, and Cagali actually end up uniting [[MeleeATrois on a third front]].]]
* ''GundamAge'' follows suit when Flit returns from his battle against [[spoiler: Desil.]] As he's prepared to enter the battlefield one last time, he declares that he will never forgive the UE for [[spoiler: killing Yurin.]]
** This case was an excellent example of how much impact the phrase has lost over the years. When Flit says it, the viewers didn't give it much thought... and then were very surprised to see that, after the TimeSkip, Flit ''meant'' what he'd said, and had dedicated his life to exterminating the UE, at any cost, regardless of how ruthless he had to be to do it.
-->'''Prime Minister''': "Commander Asuno! If you do this, any hope of compromise will be lost! This war will continue until one side is completely wiped out!"
-->'''Flit Asuno''': "Yes, I know. That was my intention from the beginning."
** Kio also deliver this phrase to [[{{Jerkass}} Zanald]] after [[KickTheDog killing Deen]], with [[SuperMode FX Burst]].
* This phrase is used a few times in ''TransformersSuperGodMasterforce''; for example, by Minerva when the Decepticons [[KickTheDog kill a little girl's puppy]], and by Ranger when they seriously injure his horse.
* The fifth episode of ''{{Gundam 00}}'' Season 2 has the A-Laws [[spoiler: attacking the Cataron base (that contains war orphans as well as the members of Cataron itself), bombing the base, taking out all their mobile suits with ease and then letting loose little robotic shooting machines of death, the Automatons, as cleanup. When Lyle, secret member of Cataron that he is, sees the carnage, he goes GunsAkimbo on the robots and then turns on the A-Laws pilot above him, shouting "I'll never forgive you! I'll never forgive you, A-Laws!"]]
* When Chrono and Rosette discover Aion's plan in ''ChronoCrusade'' (right after [[spoiler:destroying much of New York City in the process of executing it]]), they fly into a rage and shout "Aion, we will never forgive you!"
* Subverted in the ''FruitsBasket'' manga. Kyo thinks that [[spoiler:Tohru's mother]] said this to him [[spoiler: as she was dying after her fatal accident, and that she died hating him for not saving her]]. However, a flashback near the end of the series reveals that what she was trying to say was "If you don't pay your bill, I won't forgive you," an effort to remind him of [[spoiler:the promise he made to look out for Tohru]].
** When Kagura almost lets slip to Tohru about Kyo's true form, Kyo [[PuttingAHandOverHisMouth covers her mouth]] and says "If you utter another word, I'll never forgive you!". In response, Kagura yanks Kyo's arm behind him and says "Oh you won't forgive me will you?!".
* Used by TheIngenue Eve Genoard near the end of the ''LightNovel/{{Baccano}}!'' light novel ''Drugs and Dominoes'', after she learns that [[spoiler:Gustavo]] [[YouKilledMyFather killed her father and brother]]. She almost shoots him, but is stopped by Luck Gandor, who [[ShootTheDog does the honors in her stead]].
* Priscilla from ''{{Claymore}}''. She goes into a CRISIS of "Unforgivable", much like a Shinji's "must not run away", before actually going Berserk. The worst is that it was completely unjustified, and that her immature, self-righteous, ignorant attitude makes her do the heart-wrenching thing that is the basis for all the Claymore plot.
** Her repetition of "Unforgivable" is more of a MadnessMantra, as it shows her ''absolute'' belief in the rules, and marks the beginning of her mental breakdown.
** Clare from the same manga also utters this, which she mixes with "[[IllKillYou I will kill you]]" [[spoiler:during her fight with Rigaldo.]]
* Like Priscilla above, Fumio of ''SaitamaChainsawShoujo'' also breaks into a MadnessMantra version of this, just before [[{{Yandere}} snapping due to being dumped]] by her boyfriend. And then [[ChainsawGood we all]] [[GirlWithPsychoWeapon know what]] [[AxCrazy she does next]].
* Used to great effect in ''Manga/DeathNote'' [[spoiler: as Matsuda gives Light his much-deserved punishment]].
** To illustrate, Light uses a form of this to his [[{{Mook}} girlfriend]] Misa at one point, when he's telling her not to screw up the task he's giving her.
* In ''Manga/AzumangaDaioh'', Tomo pulls off the "decayed" version of this on Yomi, whose "unforgivable" crime is... successfully using a vending machine after it ate Tomo's money and eating curry without spilling any. Leads to a CrowningMomentOfFunny when Tomo chases Yomi around trying to whack her with a cafeteria tray, and hits Yukari instead.
* In ''DGrayMan'', someone once managed to get [[AllLovingHero Allen]] angry enough to say this. EPIC asskicking ensued, but even so he was rather hopelessly outnumbered, and it took [[spoiler:some timely assistance from the generals]] to take out all the {{mooks}}. [[spoiler:Then things went downhill...]]
** Also, occurs in episode 56 from Allen to Tyki.
* In ''Manga/YuYuHakusho'' seasonal BigBad Sensui forces the heroes to play a video game made real by a [[PsychicPowers pyschic child]], who is playing as the game's BigBad. As long as the heroes keep playing they can't die but if they win the game the kid dies, something Sensui conveniently forgot to tell his child follower. The team is reluctant to does this; but in the end one of them, [[NobleDemon Kurama]], does the deed. Afterwards, Kurama doesn't utter this line but you can ''definitely tell'' he's thinking it; both by the expression on his face and his actions later on.
** Yusuke also declares this to Toguro once he [[spoiler: kills Genkai]]. But it's made very convincing by the [[TranquilFury cold, bitter delivery]].
* Possibly one of the more ''terrifying'' examples occurs in the manga adaptation of ''BreathOfFireIV''. Right after seeing a village of child-summoners murdered, Ryu utters a "This Is Unforgivable" as he unleashes '''''[[UnstoppableRage THE KAISER DRAGON]]''''' (for those unfamiliar with ''BreathOfFire'', think "nigh-unstoppable {{Kaiju}}-esque Dragon Of Mass Destruction"). It takes a CoolDownHug from Nina (whom, for the first time in her life, is scared out of her wits by a dragon)--and this is after the Kaiser Dragon has not only decimated a LEGION but ''bored a hole through a '''mountain''' via its BreathWeapon''.
* Tatewaki Kunō says this ('Yurusen!' actually) in ''RanmaOneHalf'' during his first fight with Ranma, after he insults Akane. Cue ass-kicking - Kunō's.
* ''PeachGirl'': Momo says this when a trio of girls who are in love with Kairi destroy a necklace Toji gave her because they are jealous of her for getting Kairi's attention.
* In ''Manga/SoulEater'', Death the Kid is as likely to use this in reference to anyone affecting his beloved symmetry as he is to any villain who likes to gather human souls for themselves and/or insult Shinigami-sama.
** More dramatically, [[BumblingDad Spirit]] tells this to [[AbusiveParent Medusa]] when she say she plans to abandon Crona.
* ''Manga/KatekyoHitmanReborn'' Tsuna says this when he is enraged by Byakuran [[spoiler: for triggering events that led to Uni's self-sacrifice, or self-imposed death]]. There is a good reason why that chapter was labled "The Last Blow."
** [[http://www.mangareader.net/katekyo-hitman-reborn/339/10 And again in chapter 339 to Daemon Spade]].
* In chapter 51 of ''MiraiNikki'' this is written on [[{{Yandere}} Yuno's]] diary. [[spoiler: "Amano was kissed by Akise. That Akise...I won't forgive him...!"]]
* In the 7th OVA of ''{{Hellsing}}'' Seras screams this repeatedly at Zorin when the latter insults the dead Pip, calling him an 'insect'. [[UnstoppableRage And then she goes]] ''[[UnstoppableRage utterly ballistic]]''.
* Any time this is uttered in ''VisualNovel/HigurashiNoNakuKoroNi'' (or "I'm sorry," if it's said ''sotto voce''), someone is going to get murdered. [[ColdBloodedTorture If they're lucky]].
** Higurashi Kira Episode 2 had Satoko declaring that she would not forgive Tokyo Magika for hurting her Nii-nii. Later, Oyashiro Rika and Trap Satoko declared payback time before moving on to finish off Nail Ripper and send Takano flying.
* In episode 5 of ''{{Gankutsuou}}'' Maximilien screams this during his fight with Albert.
* Ashley of ''UragiriWaBokuNoNamaeWoShitteiru'' yells this in episode 12 because Hotsuma ruined her clothes during their fight.
* Maria of ''VisualNovel/UminekoNoNakuKoroNi'' yells this repeatedly in episode 22 before taking revenge on her abusive mother.
** Earlier, Battler was angered by Beatrice having gleefully laughed about [[spoiler:Eva-Beatrice killing and reviving Rosa and Maria over and over again]], so much so that he decided he wouldn't accept "that bitch" as his opponent. He told Virgilia that she could call her student if she wanted to, but that didn't mean he would forgive her. A disappointed Virgilia told Beato to try being more encouraging if she was to be forgiven by him and accepted as his opponent.
* In the first season of ''MermaidMelodyPichiPichiPitch'', [[MagicIdolSinger the heroines]] say this most of (if not all) the time to their enemies (be it the Dark Lovers or the Black Beauty Sisters) for whatever it is that they did that terrorized the seas or the people, be it making a theme park only to destroy it, chase down a boy who assaulted them with a water hose and retaliate by attacking, or even planning to force-feed chocolates to girls (which would turn the Mermaid Princesses to mermaid form).
* In ''ShamanKing'', after Hao eats his brother Yoh's spirit (after which he attempts to digest it and therefore cause him to become one with him), Yoh's friends fly into a rage and make several futile attempts to attack him out of unforgiveness towards him. Even his fiance' Anna says that she will never forgive him. Things settle down a lot when Manta helps them defeat his Shikigamis, though, and more so when Yoh regains his spirit to the relief of all of his friends, and Anna welcomes him back.
-->'''Tao Len:''' ...You took my friend away and YOU'RE GOING TO PAY!!
* The [[Manga/TheLegendOfZelda manga]] adaptions of the ''Zelda'' series done by Akira Himekawa seem to love this Trope. For example, in the ''VideoGame/TheLegendOfZeldaALinkToThePast'' manga, after Agahnim sacrifices Zelda in front of Link and sends her to the Dark World imprisoned inside a crystal, Link shouts out, "Agahnim, I'll never forgive you!" before absorbing his magic with the Master Sword, leaving Agahnim shocked in a "ThisCannotBe" manner and sending the magic right back at him.
** Also, in the ''VideoGame/TheLegendOfZeldaOcarinaOfTime'' manga, after Link is forced to kill his old friend, Volvagia, in order to free him from Ganondorf's control and awaken Darunia as the Sage of Fire, he calmly declares this trope to the BigBad himself.
-->'''Darunia:''' I understand how you feel. Stay here and cool your head. If your emotions erupt you will never defeat Ganondorf.\\
'''Link:''' You're right, Darunia. But I... I will never forgive Ganondorf.
* In ''Manga/FullmetalAlchemist'', Winry finds out that [[spoiler:Scar]] is responsible for the murder of her parents, [[spoiler:she immediately picks up a nearby gun and points it towards him, only stopped by Edward]]. Later on, she [[spoiler:runs into him and cooperates with him, but makes it clear that she does not forgive him for what's he done and only helping him because it is what her parents would have done]].
* Pictured above, Fujiwara no Mokou in the ''VideoGame/{{Touhou}}'' manga ''Inaba of the Moon and Inaba of the Earth'' likes using this trope when it comes to her bitter rival Kaguya. Face it, she just hates her so much because of the humiliation she gave her father.
* Villain example: Rosine, the BigBad of ''{{Berserk}}'''s Lost Children arc, uses this line on Guts after he [[spoiler:destroys the tree that she has been using to make her creepy little pseudo-elves out of the children she's kidnapped]], which has the effect of ''supremely'' pissing Rosine off -- badly enough in fact, that she decides to [[spoiler:[[OneWingedAngel transform into her]] ''[[OneWingedAngel true]]'' [[OneWingedAngel Apostle form, a really creepy insect-like monster]]]].
** Another villain example from Berserk: when Nosferatu Zodd's duel with Guts is interrupted, he roars this at the interlopers. This guy takes the WorthyOpponent BloodKnight dynamic ''really'' seriously.
** An actual (anti) heroic example comes from Guts in volume 17, where he says something to the same effect. After getting a WhatTheHellHero lecture handed to him, Guts rethinks how he dealt with avenging the Hawks [[spoiler: after Griffith betrayed and sacrificed them during the Eclipse]] and that since he technically played a role in the group's downfall, he didn't have a right to avenge them... however, for what Griffith did to Casca during the Eclipse [[spoiler: in which he viciously raped her in front of Guts and drove her insane as a result]], Guts said that he would ''never'' forgive Griffith.
* Even the otherwise lighthearted ''Anime/TengenToppaGurrenLagann'' has an example: post-TimeSkip, Yoko [[spoiler:picks up teaching in an elementary school as job]], hiding her real identity. When two rogue Ganmen show up and start wrecking the place, she gets angry. But when they threaten the life of one of her [[spoiler:students]] (a little girl), she utters the line as she goes ''[[BerserkButton batshit fucking mad]]'' and breaks out the hidden armory. [[BadassTeacher Asskicking]] [[CrowningMomentOfAwesome ensues]].
* In Episode 13 of ''GIJoeSigma6'', after having heavily damaged his ability to assume battle mode by blowing up his Power Stone in front of him, Duke battles it out with COBRA Commander in a one-on-one duel without weapons to have him prove how tough he is. After taking a few blows from the villain, he shouts out, "I've had it with you!" before fighting back and besting him with some more punches.
-->'''Duke:''' [[AndThisIsFor That was for the team...]] ''[punches and sends COBRA Commander sliding on his feet towards the edge]'' ...and THAT was for '''YOUR PAYBACK!'''
* [[spoiler: Izaya]] from {{Durarara}} mumbles this during a flashback of middle school. [[spoiler: He's referring to Nakura who stabbed Shinra who is his only friend. Let's just say, Nakura was screwed the minute he stabbed Shinra by accident because of who his real target was. And 7-10 years later, Izaya extracts his revenge in the cruelest way possible.]]
* In ''MaiOtome'', while Arika fights Tomoe, she reveals that she was responsible for all of the [[MurderTheHypotenuse thi]][[AttemptedRape ngs]] Miya [[TakingTheHeat took the heat and got expelled for]]. Arika only responds with shock until Tomoe, while mentioning her responsibility in the acid drop that injured Arika's friend Erstin, [[spoiler:expresses pleasure regarding Erstin's death some time afterward]], prompting Arika to respond with this phrase.
* ''TokyoMewMew'' does this really well, with the Mew Mews using this against the aliens and their Chimera at random times, either before or after transforming.
** [[CatGirl Ichigo/Zoey]] even uses this trope as quite a BadassBoast towards a monster attacking Tokyo in her dream in the beginning of an early episode.
-->'''Ichigo:''' You're a wicked monster and you've terrorized this city for the last time. Now you'll pay!
* ''RosarioPlusVampire'': In chapter 41 of the second manga season Kurumu says "...won't forgive. I won't forgive you if you hurt Tsukune!"
** Several members of Tsukune's UnwantedHarem threaten this at times, even to [[spoiler: Moka]] when it looked like she might have been about to kill him.
** In chapter 50 Tsukune says this to Miyabi because he invaded Mizore's village and planted a ForcefulKiss on her.
** The only time [[spoiler: Tsukune]] speaks when he's entered his super-powerful ghoul mode is to say [[TranquilFury "Unforgivable. You even hurt my friends. I won't let you off."]]
* Although the intentions aren't carried over between meetings, this is often Hayate of ''Manga/HayateTheCombatButler'''s manner when Nagi is threatened. Gilbert is frequently the target, and clearly frightened of the consequences of his actions, though not repentant not to try again at a later date.
* PlayedForLaughs during an episode of ''Manga/{{Beelzebub}}''. After a demon world plant eats the...thing he brought to life from a demon world book, Beel goes all fiery mad, and in his baby gibberish declares "I will never forgive you for this!"...and gets swatted aside. He is just a baby after all.
* In Episode 9 of ''SonicX'': How dare you, Eggman! You destroyed Amy's lucky bracelet that she made for Sonic to protect him when he goes in the water, despite his fear of it. And she reacted with the line of "[[ThisCannotBe I don't believe it!]]" Not only did it make her cry a few seconds afterwards, but shortly after, she flew into a rage with fire burning in her pupils. You hit Amy's BerserkButton and you didn't even know it. Now she's REALLY PISSED at you, screaming at the top of her lungs, "Now you're gonna PAY!!!", which takes you by surprise. Once she charges at you and one of three of your current [[MonsterOfTheWeek Robots Of The Week]], Serpenter, shouting to you both "Don't mess with me!" along the way, and proceeds to kick its ass before going after you next, that's where you realize that you never should have made her this pissed off at you and that you're completely screwed. Cue OhCrap.
** Also, in the original edit, this is Sonic's final line at the end of the finale of Season 3, obviously declared against Eggman. It was replaced in the dub by another line in the form of "Life never stays slow for long! Thank goodness! Watch out, Eggman, I'm comin' at ya full speed!"
* In ''SteelAngelKurumi2'' Kurumi says this whenever Nako gets hurt.
* ''Anime/HanaukyoMaidTai La Verite'' episode 9. After Lemon, Marron, and Melon speak rudely to Captain Konoe Tsurugi, Konoe's lieutenant Yashima Sanae tells them "Speaking so rudely to captain...unforgivable!" She then chases them away.
* A rather odd example occurs in ''ToAruMajutsuNoIndex'' when Touma says this to the villain of the current arc, Oriana Thompson, who is involved in a plot to brainwash the city. It's not the possibility of mass mind control that really upsets him, though, it's that her actions are interfering with the festival that's going on. Yeah, Touma can be a bit [[SkewedPriorities strange.]]
* In ''SukebanDeka'', "Saki's" catchphrase is "Omaera, Yurusansezore!" (You Won't Be Forgiven!)
* Every member of ''Manga/FairyTail'' will make sure that anyone who would disrespect their guild or hurt their friends will get no less than what they deserve.
* In an episode of ''OuranHighSchoolHostClub'' Tamaki says "Unforgivable!" when eavesdropping on a moment between Harushi and Hikaru.
* ''Anime/CowboyBebop'' episode 22 "Cowboy Funk". During their confrontation on top of the ruined building Spike says "I will never forgive you" to Cowboy Andy, who's been interfering with his efforts to capture Teddy Bomber throughout the episode.
* In ''Anime/PeterPanNoBouken'' Hook says this to a ''giant sea creature'' (no, not the crocodile), which might make uninitiated anime fans watching the subbed version wonder why a giant sea creature cares whether Hook forgives it or not.
* ''Manga/BlackCat'': In the anime Train says this after Creed kills Saya.
* ''{{FLCL}}''. In episode "Brittle Bullet" Naota's father walks into Naota's room and catches him and Haruko accidentally kissing. He is interested in Haruko himself, so he tells Naota that he can't forgive him and challenges him to a duel for Haruko's affections.
* [[KidHero Weed]] from ''GingaDensetsuWeed'' says that he never forgives someone who abuses or kills other dogs just for the killer to save their own hides.
* A lot of this flies back and forth when most of the cast of ''Manga/BokuraNoKiseki'' regains their PastLifeMemories. To be specific, they are all the reincarnations of people in two groups: the original inhabitants of a castle in Zerestria that was invaded and destroyed by a country that was ''supposed'' to be its ally, and guests living in the castle who were from said invading country, Moswick. In particular, Meguro, the reincarnation of a squire of Zerestria, freaks out and tries to kill Nishina, who was a knight of Moswick. [[spoiler: Teshimano and Harusumi talk him out of it.]]
[[/folder]]

[[folder:Film]]
* ''Film/LittleShopOfHorrors'':
-->'''Orin:''' What I ever do to you?\\
'''Seymour:''' Nothing. It's what you did to [Audrey].
* Alluded to in the film ''GungHo,'' when a shouting match between an American and his Japanese boss gets physical after the American says, "Oh yeah? Well, if you guys are so great, how come ''you'' lost the [[WorldWarII Big One]]?"
* A western equivalent appears in ''Film/StarTrekIIITheSearchForSpock'' where Kirk repeatedly kicks Klingon General Kruge, screaming "[[PunctuatedPounding I! HAVE HAD! ENOUGH! OF YOU!]]" and then kicks Kruge down a cliff.
** Also Picard's rant about the Borg in ''Film/StarTrekFirstContact''. "[We have fallen back] This far, and no further! The line must be drawn here!"
*** This turns into an aversion, though, when Lily scolds him into sensibility and he decides to destroy the ship rather than fight it out.
* ''TheProposition''.
--> "Arthur Burns is a [[YouMonster monster]]. An abomination. You were right to break company with him; [[MoralEventHorizon what happened]] at the Hopkins place was unforgivable.
* In the Chinese action film "Flash Point", the main character and detective Mah Jun, played by Donnie Yen, chases after a criminal on foot in the streets of Hong Kong. The criminal runs into a restaurant, grabs a young girl as hostage and holds her upside down by the legs. When Mah Jun catches up to him and holds him at gun point, the crook threatens to drop the girl on her head if Mah Jun doesn't drop his gun. Mah Jun complies but the criminal throws the girl [[KickTheDog forcefully aside anyway]] right outside the restaurant unto concrete ground injuring the girl. Mah Jun has a very brief HeroicBSOD and his face clearly shows a This Is Unforgivable expression followed by giving the attacking criminal a suplex from hell and then pummeling the man to to death.
* Yes, even some {{Disney}} movies have these. In ''Disney/{{Mulan}} II'', Mushu, pressured by Cri-Kee, admits to Mulan what he had done. Mulan is enlightened by Mushu's admittance, but also gets mad at him. She even says that what he did was unforgivable, and when he tries to ask to help some more, she replies with "You've helped enough."
** In ''Disney/TheLionKing'', Simba says a line that comes close enough to this to Scar: "You don't deserve to live."
*** Some of the lyrics to ''The Lion King II: Simba's Pride'' song "One of Us" contain a variation of this.
---->''Born in grief''\\
''Raised in hate''\\
''Helpless to defy his fate''\\
''Let him run''\\
''Let him live''\\
''But do not forget what we cannot forgive''
**** This was due to a misunderstanding - Kovu ''had'' been raised as a TykeBomb, but had already pulled a HeelFaceTurn by the time what he was convicted of occured; Simba misinterpreted the situation and refused to listen to otherwise, until the ending where his eyes were opened. The very ''theme'' of ''Disney/TheLionKingIISimbasPride'' was {{Forgiveness}}.
* In ''Film/TheWomanInBlack'', this seemed to be the MadnessMantra of the titular woman after her child went missing, as she believed he was being deliberatel;y kept from her. Unfortunately she died before anyone learned the truth, and her vengeful ghost got stuck in an infinite loop.
* In ''Film/ConanTheBarbarian1982'', after Conan raids one of Thulsa Doom's towers and steals his treasures, he is most upset because Conan kills a giant snake guardian.
-->'''Thulsa Doom''': You broke into my house, stole my property, murdered my servants, and my PETS! And that is what grieves me the most! You killed my snake. Thorgrim is beside himself with grief! He raised that snake from the time it was born.
* In ''Film/StarTrekIntoDarkness'', Harrison delivers a variant of this StockPhrase to Kirk in one of the trailers.
-->'''Harrison:''' Your commanders have committed a crime I cannot forgive.
* In the 2009 film ''Film/{{Cracks}}'' the Diving Team reacts like this when the find out the teacher they trusted and admired molested a pupil and allowed her to die. The school seems to turn a blind eye until the whole team symbolically turns in their sashes
[[/folder]]

[[folder:Literature]]
* [[PapaWolf Michael]], good Christian paladin type in ''TheDresdenFiles'' forgives and gives another chance to anyone and anything, even the odd EldritchAbomination here and there. But, in the short story "The Warrior," when a WellIntentionedExtremist priest kidnaps one of his daughters (knocking her unconscious in the process), ''ties her up in det-cord'' (explosive-stuffed rubber tubing) and rigs her with an electronic detonator -- and ''then'' insists that a WalkingTechbane wizard, whose very presence could have caused a malfunction in the detonator and set off the cord, be the one to release the girl -- ''all bets are off''.
* Invoked and subverted in ''Literature/{{Shatterpoint}}'':
-->'''[[spoiler:Depa Billaba]]:''' You can't... you can't just ''forgive'' me.\\
'''Mace Windu:''' As a member of the Council -- you're right. I can't. As your Master, I ''won't''. As your friend -- as your friend, [[spoiler: Depa]], I can forgive everything. I already have.
* In ''{{Dune}}'', the depredations on the Zensunni people in the distant past are remembered in the oral tradition of their descendants, the Fremen, with the BadassCreed "Never to forgive, never to forget!"
* In ''Literature/ASongOfIceAndFire'', when [[spoiler: Cersei beats the woman she thinks is Tyrion's mistress,]] Tyrion says "I have never liked you, [[spoiler: Cersei, but you were my own sister,]] so I never did you harm. You've ended that. I will hurt you for this. I don't know how yet, but give me time. A day will come when you think yourself safe and happy, and suddenly your joy will turn to ashes in your mouth, and you'll know the debt is paid." He may not say the words, but this BadassBoast embodies the spirit of this trope ''very'' well.
** Likewise, he doesn't say the words, but Tyrion's reaction to the lies and betrayal by [[spoiler: his brother, his father and the aforementioned mistress]] is similar to this.
** Though this comes back to bite Tyrion when [[spoiler: Joffrey is poisoned on his wedding day]]; everyone assumes it was his fault, and he had nothing to do with it.
** Actually quite a few characters react this way to being betrayed. Which happens quite a lot.
* In the world of ''Literature/ABrothersPrice'', men are [[GenderRarityValue extremely rare and protected]], so when some of the heroes find one who was killed, the ones who never knew their fathers are disgusted, but the ones who did have loving fathers are horrified, furious, even panic-stricken. Most didn't know the man in question, but this is the crime that really drives them to despise those responsible.
--> "What kind of animals could do this?"
[[/folder]]

[[folder:Live Action TV]]
* On ''Series/BuffyTheVampireSlayer'', Faith actually tries to get Willow to give her the whole "you can still be a good guy" speech, instead getting Willow telling her she's way past forgiveness. At least part of this is because she had kidnapped and tied up Willow though. Ironically, Willow becomes one of the few people who actually could later understand what Faith was going through, having gone evil and killed someone only to be brought back by someone showing caring and kindness when she didn't deserve it.
** Still a CrowningMomentOfAwesome for Willow, who is all alone in the [[BigBad mayor's]] office with Faith who has already gone rogue and is threatening Willow with a huge knife.
** In season 8, after a BrainwashedAndCrazy Angel [[spoiler: kills Giles]], Buffy refuses to forgive him. Buffy is also blamed for the world's magic being lost and even the other slayers tell her what she did was unforgivable.
* The climax of '''any''' ''{{Toku}}'' show involves saying this phrase, followed immediately by a showdown with the MonsterOfTheWeek.
* The ''Series/BabylonFive'' episode "No Surrender, No Retreat" opens with Captain Sheridan defiantly declaring "'''Enough is enough!'''", after [[DayOfTheJackboot President Clark's]] forces commit their worst atrocity yet, involving [[spoiler:two Earthforce destroyers jumping out of hyperspace and, completely unprovoked, wiping out five commercial liners packed with 10,000 civilian refugees]]. And for the record, Sheridan is not even '''remotely''' kidding.
* "[[Series/BattlestarGalacticaReimagined I want you all to understand this! If you do this, there will be no forgiveness. No amnesty. This boy died honoring his uniform. You, you'll die with nothing]]."
** President Laura Roslin's speech in the following episode is arguably an even better example: "No. Not now. Not ever. Do you hear me? I will use every cannon, every bomb, every bullet, every weapon I have down to my own eyeteeth to end you. I swear it! I'M COMING FOR ALL OF YOU!"
** This was [[DeconstructedTrope deconstructed]] when Lee testified at Baltar's war crimes trial - Lee pointed out all the things members of the fleet had done that should have resulted in imprisonment (or execution) that had been "forgiven" by either Admiral Adama or the President, and that the only reason Baltar's crimes were unforgivable and deserved his execution was that [[InsufferableGenius no one liked him]].
--> '''Lee:''' We have to break rules, we have to bend laws, we have to improvise! But not this time, no, not this time, not for Gaius Baltar.
* An episode of ''Series/{{Alias}}'' contains the following emotional speech. It doesn't lead to a physical fight (though these two characters ''do'' fight earlier in the episode) but it sets the tone for a temporarily broken relationship.
** "What it comes down to is faith. What I was hoping you would say is, '[[spoiler:Sydney]], I gave up, I gave up. I lost faith.' But what you came here for was closure. And there is not a chance you're getting that from me. I'm not gonna say 'I understand.' I'm not gonna sympathize with you and tell you how ''hard'' it must be for you... But you want to know how I am? I am horrible, [[spoiler:Vaughn]]. I am ''ripped apart''. And not because I lost you, but because... if it had been me... I would have waited. I would have found out the truth. I wouldn't have given up on you. And now I realize... what an absolute ''waste'' that would have been."
* Said word-for-word by Derek in ''GreysAnatomy'' about Meredith sleeping with their vet... [[DoubleStandard after they broke up almost a year ago because he was married and hadn't told her]]. He was still with his wife at the time. She's quick to point out that "I never asked you to forgive me" and "[[IRegretNothing I make no apologies]]."
* After things get out of hand at ''Series/{{Degrassi}}'' during Vegas Night in the mid-season finale of "The Boiling Point", Principal Archibald Simpson has had ''enough'' of the crap he has had to deal with for his entire career at the school, and has this to say to the students: "By the time you all get back from break...you won't recognize this school at all." And he's not kidding -- the next episodes see him instituting a school-wide discipline crackdown aimed at curbing the worst of the school's major problems.
* Rita of ''MightyMorphinPowerRangers'' sometimes says this to the rangers whenever they [[HumiliationConga ruin her plans and destroy her monsters]].
-->'''Rita ''[to the rangers]'':''' You'll pay for THIS!!
** Another villain example: Grizzaka to the rangers in Series/PowerRangersJungleFury during their huge fight:
--->'''Grizzaka:''' You've destroyed all of my [[MonsterOfTheWeek warriors,]] my [[EliteMook royal guards]], and the great overlord [[StationaryWings Carnisoar.]] Finally, I shall destroy you! [[spoiler: In fact, he doesn't. Shocking.]]
* ''Series/HowIMetYourMother'' had a version of this when Ted found out that Barney slept with Ted's ex-girlfriend Robin in a blatant violation of the Bro Code. Barney expects Ted to be angry but forgive him since Ted is very easy going and a bit of a pushover. Instead Ted is so furious at the betrayal that he [[GroinAttack punches Barney in the groin]] and wants nothing to do with Barney from that moment on.
** A few episodes later, though, Ted forgives Barney.
* In an episode of ''Series/{{Merlin}}'', Uther is blaming Morgana for her betrayal against the kingdom for trying to help the young druid Mordred escape. Morgana, who does not wish for Mordred to be executed, says that she will never forgive him if Mordred dies. Uther, on the other hand, states that he wasn't asking for forgiveness.
** And when Merlin tries to prevent Mordred from escaping the Camelot Knights, Mordred kills them and warns him telepathically that he will never forgive him nor forget his betrayal towards him.
** And again with Mordred in season 5 when Merlin [[spoiler: reveals Mordred's plan to escape with Kara resulting in the latter's death.]]
* This was practically Kotaro Minami's catchphrase in ''Series/KamenRiderBlack''.
* In ''Series/TheBorgias'', Rodrigo is telling his sons how to juggle the various bribes that will get him elected Pope. When one of them points out that his tactics are not exactly "holy", Rodrigo replies "God will forgive us, my son. But ''I'' will not. Forgive. Failure. From you, or your brother." Quite what he was threatening them with (if anything, since he does genuinely love his children,) is unknown, but since the line is spoken with all the verbal badassery Creator/JeremyIrons can muster, it's understandably taken very seriously.
* ''Series/StargateSG1'': After Teal'c shoots Sha're to save Daniel's life, Daniel refuses to believe that it was necessary and will barely acknowledge Teal'c's attempts at reconciliation.
-->'''TEAL'C''': Is there not some form of human ritual in which I may ask your forgiveness?
-->'''DANIEL''' No. (walks away)
** Interestingly, everything that happens after Teal'c kills Sha're turns out to be a dream of sorts. By the time Daniel finds himself back in the real world, he's already forgiven Teal'c.
* In ''Series/OnceUponATime'', Regina blames Snow White for the death of her lover and being forced into a crappy ArrangedMarriage with Snow's father, the king (Never mind it was [[EvilMatriarch Regina's own mummy dearest]] who actually killed the lover - and the former Queen - and forced the marriage, Snow gets blamed). Snow White flees Regina's murder attempts and becomes a forest-dwelling bandit. Regina takes the throne and [[GodSaveUsFromTheQueen rules about as well as you'd expect]]. When Regina ends up in a peasant woman disguise and actually meets Snow again, Snow admits she pities Regina and would be willing to forgive her...until she discovers that her stepmother just executed an ''entire village'' down to the last man, woman and child for the mere "crime" of giving Snow a night's shelter.
* In the ''Series/DoctorWho'' episode "[[Recap/DoctorWhoS33E13TheNameOfTheDoctor The Name Of The Doctor]]", we find that [[TheNthDoctor The Eleventh Doctor]] cannot forgive [[spoiler: a previously unknown incarnation of [[IHatePastMe himself]], who committed an act so heinous, no incarnation of The Doctor will recognize him as being one of them.]]
[[/folder]]

[[folder:Video Games]]
* This is Lenneth Valkyrie's big proclamation in ''ValkyrieProfile''. She had been impassive up to now.
* Vyers from ''VideoGame/{{Disgaea|HourOfDarkness}}'' uses these exact words, twice, when Laharl, his would-be [[TheRival rival]], unflatteringly refers to him as irrelevant and redubs him "[[UnknownRival Mid-Boss]]". He loses the ensuing battle, and the insulting moniker sticks with him [[GoldfishPoopGang for the rest of the game]].
* Kim Kaphwan from the ''FatalFury'' and the ''KingOfFighters'' games has a variation of this. Whenever he fights a criminal (or simply evil, or perceived as evil) opponent, he [[GivingSomeoneThePointerFinger points his finger at them]] and says "Aku wa yurusan!" ("Evil cannot be forgiven!"). Starting with the NESTS saga (King of Fighters 1999-2002), he even complements the pointing with GlowingEyesOfDoom.
** His disciple May-Lee actually does something similar in King of Fighters 2001, Franchise/KamenRider-ish pose and all.
* Declared by Tails after [[spoiler:Eggman appears to have killed Sonic]] in ''{{Sonic Adventure 2}}''. He seems to largely forget about it when things settle down, though.
* Used by Mickey in ''VideoGame/KingdomHeartsII'' after Goofy has been (apparently) killed, triggering his costume change along the way and making room for what may be the most epic battle sequences in this game.
** Just the fact that Mickey (THE [[MickeyMouse Mickey]]) says [[TranquilFury "They'll pay for this,"]] is enough to put chills in your spine.
* The original ''{{Suikoden}}'' lets you pull this at least twice with already-defeated foes. In one case, this is actually the ''wrong'' response, as the "villain" was actually BrainwashedAndCrazy, and is [[GottaCatchThemAll one of the 108 Stars of Destiny]]. In the other case, it's perfectly fine to take this option, as the character is legitimately a self-serving sleazeball who caused the death of the lead character's best friend out of nothing more than petty greed -- the conversation option for killing him actually ''reads'' "You're the one person I can't forgive."
** Another moment is after Gremio, your protagonist's servant and protector, fools checkpoint guards into thinking that said protagonist is not the now-rebellious son of Teo [=McDohl=], but his own son, and begins to shout at him for never doing anything right, even now being mistaken for a criminal. He is then stopped by pleading guards from killing his 'son' right in front of them. After safe passage, Gremio apologizes to the protagonist for his improvised actings, to which you can actually respond to with ''"Unforgivable!"'' This can go on for a short while, and messing with him is all fun and laughs until it nearly results in him killing himself out of shame. Yikes.
* Subverted in ''VideoGame/DevilMayCry 4'', wherein Credo utters this to Sanctus, who blatantly used Credo's sister as bait in his plans and thus the one thing that shook Credo's loyalty to the Order. The kicker? [[spoiler:He said it ''after'' Sanctus fatally wounded him, and got his ass further kicked for his trouble]].
* In the Japanese version of ''VideoGame/FinalFantasyVI'', after Cyan realizes that the Empire has poisoned Doma's water supply, he races around to find survivors, and when he races into his own room, he finds his wife and son dead. He screams at the Empire at the top of his lungs and [[RoaringRampageOfRevenge races off to kill as many Imperial soldiers as he can]], but not before muttering in shock.
-->'''Cyan:''' This is unpardonable...
** Ruined by the otherwise okay Woolsey localization, which has Cyan yelling something like "THIS CAN'T BE HAPPENING! IMPOSSIBLE! IDIOTIC!"
** Bonus points: The song played during the scene afterward, where Cyan is on his blind RoaringRampageOfRevenge? It's called [[http://www.youtube.com/watch?v=fhnkMgotQ6w The Unforgiven]].
* Olaf of ''[[NintendoWars Advance Wars 2]]'' reacts this way upon seeing his [[DoomedHometown Hometown]] ravaged and toyed with by [[MadScientist Lash]].
* In one of ''SilentHill2'''s endings, [[spoiler:an illusion of Mary]] yells "Do you really think I could ever forgive you for what you did?" before [[OneWingedAngel transforming]] into the game's end boss.
* Played straight several times in ''DissidiaFinalFantasy'', but [[LampshadeHanging lampshaded]] when the [[VideoGame/FinalFantasyI Warrior of Light]] confronts [[VideoGame/FinalFantasyVII Sephiroth]].
-->'''Sephiroth''': Fighting me won't help you recover the [[MacGuffin Crystals]].\\
'''[=WoL=]:''' I suppose.\\
'''Sephiroth:''' Well then... Why come before me?\\
'''[=WoL=]:''' You hurt my ally.\\
'''Sephiroth:''' "I won't forgive you"... you might say?
* ''VideoGame/FinalFantasyTactics''. [[IdealHero Ramza]], a purer than pure hero who only draws his sword once during a cutscene, who tries to talk every enemy he meets out of fighting, who is as forgiving as [[MessianicArchetype JESUS]] finally finds three people in all of [[CrapsackWorld Ivalice]] even he will not forgive: [[spoiler: Algus Sadalfus, for shooting his adopted sister for no reason other than 'I'm a noble so I can do what I want'; Dycedarg Beoulve, his brother, for murdering their father, brother and trying to sacrifice their sister to an EldritchAbomination; and Folmarv Tengille, for resurrecting the aformentioned murdered brother as a self-aware zombie, and making him fight Ramza.]]
* Shouted by Sion Barzahd before one of the final battles in ''VideoGame/TheBouncer''.
-->'''Sion:''' This is... This is unforgivable, Dauragon!
* When Teen Gohan transforms into Super Saiyan 2 form in ''VideoGame/DragonBallZBudokai 3,'' he screams "I won't forgive you!" If you don't know why, check ''DragonBall'''s entry under the Anime section above.
* In ''VideoGame/CastlevaniaSymphonyOfTheNight'', Alucard confronts a succubus who has been imitating his dead mother just to mess with his head, and conveys his intentions [[TranquilFury rather stoically]] before an inevitable boss fight:
-->'''Alucard:''' Demon. Death is too good for you.
** He ''does'' say "Yurusan" in the Japanese, and is so VERY damn stone-cold about both that and the worse-than-death fate that his killing her in the dream-world will bring about (it's a death of the soul, so her spirit will never find rest and will wander lost for eternity). This followed by the only fade-to-black death in the game, and (in the original Japanese; the dub is uh...different) a very creepy cut-off scream from her.
*** And the sad thing is, you just ''know'' that he was a lot nicer than Dracula would have been if he found out about those shenanigans. 'Don't mention Lisa' is a good rule to follow.
* Ishida Mitsunari from ''VideoGame/SengokuBasara'', whose vocabulary seems to be largely limited to screaming either this or the [[SayMyName name of his rival Ieyasu]] at the top of his lungs. He even takes it one step further by refusing to forgive not only Ieyasu, but the ''whole world''. Even selecting him from the Character Select screen has him uttering "I will never forgive you".
* In the ''VisualNovel/AceAttorney'' series, there are two things Phoenix Wright considers completely "inexcusable", as he says in case 3-3: Poisoning, and betrayal. There's a deep, personal reason for this.
** Used for humor in the first case of ''VisualNovel/AceAttorneyInvestigations''. A body is found in Edgeworth's office, what gets him really mad? Someone broke his prized tea set!
--->'''Edgeworth:''' ...Nnngh... That killer is going to pay! This tea set...!\\
'''Gumshoe:''' Yikes! You're really mad over this!\\
'''Edgeworth:''' This tea set is very dear to my heart and can only be bought in England. It cost more than your whole month's paycheck.\\
'''Gumshoe:''' W...Whaaaaaaaat!? Now I feel like the killer's wasted one of my monthly paychecks!
** Shelly de Killer. After finding out that his client taped the crime scene for blackmail, he [[spoiler:breaks his contract with Engarde, returns Maya to Phoenix and swears that Engarde will get his just desserts.]] The moral of the story: Don't piss off an assassin.
---> '''Edgeworth:''' Some time in the near future, one very betrayed assassin may appear before you. Needless to say, that man is very good at what he does. I'm sure you know what I mean, if you watch this video.
** Phoenix also views Franziska's suppressing a photograph during Maya's trial this way. It turns out there's more to this tactic than he thinks, but she is still trying to get Maya convicted by any means necessary.
---> '''Phoenix:''' (Unforgivable, Von Karma. Suppressing evidence like this... You're as bad as your father!)
* Surprisingly often used in ''FireEmblem''. For example, Renault versus Nergal in [=FE7=]: "[[spoiler:You villain... You cursed him! Your crime can never be forgiven! I will end you with my hands. In the name of my lost friend]]!" Or Jill versus Ashnard in ''[=FE9=]'': "[[spoiler:...Ashnard... Ashnard!! ASHNARD!! I...will never forgive you! NEVER!!!]]" Or Elincia versus Ashnard: "[[spoiler:Yet my purpose here is to defeat you. In the name of my father, my mother, my lord uncle, and the countless citizens of Crimea... You murdered them all! And I will never forgive you that!]]" Yep, FE loves this declaration.
** In the seventh game, [[ChildSoldier adorable assassin-in-training]] Nino is given the chance to confront [[spoiler:Sonia, the woman who murdered her parents and adopted her with the intention of raising her as a TykeBomb. This failed, so Sonia tries to have her killed. THAT fails, and Nino eventually joins the heroes. During their confrontation, Sonia gleefully admits to slaughtering Nino's parents. Nino doesn't take it well. "Aaahhh!!! You're no perfect being! You're a monster in human form! No mercy! No forgiveness!!!"]]
** Lyn in ''[[FireEmblemElibe FE7]]'' has two of these. The first is against [[EvilUncle her granduncle]], [[AristocratsAreEvil Lord Lundgren]], for trying to assasinate her, poisoning her grandfather (his own brother), and harming the people under his charge to whom he has a duty. The second is an actual utterance, when she, Eliwood and Hector discover [[spoiler: the murder of Leila, an Ostian spy and Matthew's lover]]:
--> '''Lyn''': Unforgivable! This is... a foul deed. Beyond foul.
** In his own story path, Hector shares in the above (for Lyn's second This Is Unforgivable) by swearing a vendetta against the Black Fang until he finds the one responsible. He also echoes Lyn's "I have neither pity nor mercy for you" when he confronts [[BigBad Nergal]]. Notably, [[AllLovingHero Eliwood]] does ''[[SubvertedTrope not]]'' possess this quality despite Nergal killing his father.
* When X declares to Gate in ''VideoGame/MegaManX 6'', "Time to teach you a lesson, Gate! You used Zero's DNA to cause the Reploids pain. All for your own ego! I won't forgive you!"
** Also, for a villain example in said franchise:
--->'''X:''' So you're the Big Cheese?\\
'''Ride Boarski:''' Big Cheese?! Arggghhhhmm! How dare you call me that! I'm the Head Honcho, for crying out loud!\\
'''X:''' OK, whatever you say. I order you to disband this motorcycle gang!\\
'''Ride Boarski:''' Motorcycle gang?! Why you!! You've gone too far! I'll make you pay for this, with a duel!
** ''Maverick Hunter X'', the remake of the first game, features this from X towards Sigma before their final battle. "What you've done is unforgivable, Sigma!" At the time, Zero had just died, and X is ''completely fucking furious'', and it's reflected in the dub delivery, which actually gives the line weight.
* ''{{Rosenkreuzstilette}}'' also enjoys using this trope as well. For example, after laying her undead grandfather Raimund Seyfarth back to rest in her alternate mode, Grolla, both infuriated and deeply hurt, declares this trope in vowing to punish Graf Michael Sepperin for disrupting his peaceful slumber. This is not the only "This Is Unforgivable" moment in the game.
-->'''Grolla:''' Michael Zeppelin... your reasons mean nothing to me. There will be no mercy. You shall pay for this with your life.
** Also, in the main game, Spiritia and Lilli say two variations of this trope to [[spoiler:Iris in Iris Stage 3. First, Lilli shouts out "You're gonna pay!" to her, and Tia follows with the common variation of "Iris, I'll never forgive you!"]]
** Zorne is also quite fond of using this trope, especially as one of her pre-battle quotes or when Grolla confronts her after having defeated her friend Trauare, which is one of quite a few things that can press Zorne's BerserkButton.
--->'''Zorne:''' About time you showed up, Grolla! If it weren't for you, Trau would still be a part of RKS! You're gonna pay for that!
* VideoGame/GuiltyGear uses some "This Is Unforgivable" moments as well. For example, May says this to I-No when she catches her tormenting and hurting her friend Dizzy.
* ''VideoGame/BlazBlue'' is another game that also likes this trope. For example, Ragna the Bloodedge, the main protagonist, says this when he uses Hell's Fang on his hated rival Jin Kisaragi. The same thing is also done in his winquote against him.
-->'''Ragna:''' I'll never forgive you, you son of a bitch. I was gonna tell you to die a slow, painful death, but I don't got the patience to wait around, so you're dying now.
** Also, in ''[[VideoGame/BlazBlueContinuumShift Continuum Shift]]'', Kokonoe declares this to Hazama when he fights Lambda-11 in his arcade mode run.
-->'''Kokonoe:''' I've just got one question to ask you. Why did you betray my mother?\\
'''Hazama:''' "Betray?" Come on, don't give me that. It's not like the Six Heroes were buddies... then the other day, I told the old man, "We're buddies, right?!" Hahahaha!\\
'''Kokonoe:''' You... you bastard! I'll never forgive you! Lambda! Kick the shit out of him!
** And for the encore there's this exchange between Ragna and Hazama/Yuuki Terumi in ''Continuum Shift'''s True Ending:
-->'''Ragna:''' Terumi... ''Terumi''... I will ''never forgive you''!\\
'''Hazama:''' You won't forgive me? Like I give a damn! Just shut up and die already!
** Since Hazama/Yuuki Terumi is [[spoiler: sustained by hatred, never forgiving him is playing him straight into his hands... Which ''really'' is a bloody shame, because he is good at crossing the MoralEventHorizon and then pushing waaay past it, to infinity and beyond. ForTheEvulz]].
* Reimu Hakurei of ''VideoGame/{{Touhou}}'' uses these words when Sanae Kochiya fights her in her story run in ''Touhou Hisoutensoku'' because she accuses her of making a huge pitfall trap for her to fall into:
-->'''Reimu:''' Talk is cheap! Making such a huge pitfall trap is unforgivable!
** As does NinjaMaid Sakuya Izayoi in ''VideoGame/KoumajouDensetsu II'' during the final battles upon learning that Yukari was behind everything that happened with her mistress:
--->'''Yukari:''' Ah, I wonder if the air was too heavy for a vampire.\\
'''Sakuya:''' Yakumo Yukari... [[YouExclamation you!]][[labelnote:*]]Just in case we're not fully aware of how pissed Sakuya is, the particular form of "you" she uses here is ''kisama''.[[/labelnote]]\\
'''Yukari:''' Hahaha...don't let yourself boil over yet. There's more to come.\\
'''Sakuya:''' I can't...I'll never forgive you for this![[labelnote:*]]The Japanese Sakuya uses here is "''Omae wa zettai ni yurusanai!''" which translates to "I will absolutely not forgive you!" In other words, Yukari is in for one hell of an asskicking.[[/labelnote]]
* In ''VideoGame/AdventureQuestWorlds'', the hero helps the Great Godfather of Soul send a Royal Jar of Honey to Lord Ovthedance as a peace-offering in order to help him get the magical shoes the Horc used to cheat him out of victory in dance contests. What the hero doesn't know is that the Godfather was setting up Lord Ovthedance by claiming he cheats in dance contests. After beating him and realizing that his shoes aren't enchanted (the Lord didn't need enchanted shoes to win anyway), the hero realizes that the Godfather lied and used him/her, [[ApologeticAttacker apologizes to the Lord for seeing to it that he's in no shape to dance at that point]], and decides to show the Godfather who's boss. After receiving dancing lessons from Lord Ovthedance, he/she challenges the Godfather to a /Dance-Off competition, and wins the /Dance /Dance Minigame, taking the title of Dancing Champion. The Godfather isn't too happy about that, and that's when, while he declares this trope to the hero, Chaos Lord Discordia is mentioned for the first time ever by him.
-->'''Great Godfather of Soul:''' Have you come back to rub your victory in my face, hero? Someday, with Chaos Lord Discordia's help, I'll make you pay for taking my title from me! You can count on that!
** In the Golden Ruins area of the Frostval events, the hero and Blizzy confront Maximilian Lionfang, who has kidnapped the Spirit of Frostval and stolen the presents from the town of Frostvale. Believing that the world must suffer for bending its will to evil and that there can be no peace until all evil is completely and permanently vanquished, Lionfang [[KickTheDog burns the presents with his whip]] as a demonstration of one of the "prices that Lore must pay for the pathetic truce between Good and Evil." A horrified Blizzy lets out a BigNo, Lionfang gives off an EvilLaugh, and the hero doesn't take that too well. He/she shouts to him, "You'll pay for that!" before proceeding to hand his butt to him on a plate for the second time and afterwards tell him, "[[MemeticMutation Keep the change, you filthy animal,]]" which is also a memorable line from ''HomeAlone''.
** In the 2011 Friday the 13th event:
--->'''One-Armed Bandit:''' My gang is all over this area. You'll never make it to that ship! ''[to Voltaire]'' You with the guitar... This is all YOUR fault. I'll get you for this!
*** He said that to Voltaire because he blamed him for his involvement in the hero defeating him, and wanted revenge on him for it. He would later keep true to his desire for revenge against him by ambushing him during their confrontation with Lord Krom Wrath, and dragged him somewhere where they could settle their score while Deady in his OneWingedAngel form of Urkor Malravenus fought Krom Wrath and the hero used the Vorutanian Key Blade to beat Yahorneth, save the world from being taken over by the Necrus and Krom Wrath, and force the Necrus to retreat back to Necronus. It later turned out that Voltaire survived his fight with the One-Armed Bandit and in the process of doing so got his mechanical claw in place of one of his hands.
** In Doomwood Part 2, Gravelyn calls out Noxus [[spoiler:for betraying her and having Chaos Vordred take her hostage]].
** In the Bloodtusk saga, after sending the Horcs and Trolls back home to rest up from all the fighting they did after defeating the alliance soldiers led by Cynari and Tibias, the hero makes a declaration that, when he/she finds the Chaos Lord running the madness taking place in Bloodtusk Ravine, he/she will make them pay, especially for murdering Antiphuus. He/she also gets an idea on where to start looking for information on the Chaos Lord. [[spoiler:The Chaos Lord later indeed turns out to be Krellenos.]]
--->'''Hero''': '''DRAKATH!''' I know you have a hand in this. When I find your new minion, I will make them PAY! And I need to know who! ...I'm not sure where to start, but I think I have an idea.
*** Later, in the same saga, [[spoiler:Khasaanda has become enraged at Krellenos for abandoning her, ruining everything about the ravine and having chaorrupted and caused the death of their own brother. So what does she do? She usurps his Chaos powers and then kills him using a telekinetically-driven weapon from a chaorrupted Alliance soldier. After that, she plans to use her new Chaos powers to exact revenge on Drakath for the chaorruption and deaths of her brothers]].
** The finale of the Swordhaven saga has the Hero declaring his/her intent to make Drakath himself pay for [[spoiler:driving King Alteon to madness through his chaorruption, causing the death of Princess Brittany at the hand of her own father, and the horrible devastation wrought upon Swordhaven by the Chaos Dragon]].
* Shouted by the protagonist of ''TokimekiMemorial 2'', when [[VictoriousChildhoodFriend his childhood friend Hikari]] is his battle partner and has activated her TakingTheBullet LimitBreak to save him from the enemy's LimitBreak. He then enters in an UnstoppableRage that dramatically ups his Attack Power.
* In the seventh dungeon of ''VideoGame/PaperMario'', the Crystal Palace, one of the puzzles to solve involves Bombette and five Duplighosts disguised as her. This puzzle is quite simple to solve, really - all {{Mario}} has to do is hammer all five of the Duplighosts disguised as her. As a matter of fact, Mario can tell who the real Bombette is because she's the one who says that she will never forgive him if he messes up.
* In ''OnePiece Unlimited Adventure'', when Robin says before the fight with Eneru that she'd rather not see him again (in canon, he nearly killed her and almost destroyed Sky Island), an audio clip of her saying "Unforgivable!" is heard. When Shanks uses his ultimate attack, he yells "I won't forgive those who hurt their friends!" (a mistake in pronouns, as it's a reference to his being willing to tolerate insults, but not those who threaten ''his'' friends)
* In the ending of ''VideoGame/PokemonXDGaleOfDarkness'', Ardos tells Michael he can't be forgiven for foiling Cipher's plans so utterly.
** Cheren drops an "I'll never forgive them for this!" regarding Team Plasma in ''VideoGame/PokemonBlackAndWhite''.
* In ''VideoGame/DeusEx'', after you [[spoiler: escape from UNATCO, Gunther]] says in a voice full of hate "No, I cannot forgive. No... not the killing of [[spoiler:Agent Navarre.]] I will follow you. Denton; I will get you!
* In ''VideoGame/MassEffect2'', Paragon Shepard can state this during a conversation with Mordin, where he reveals that he redistributed a modified form of the genophage to the Krogan, since they were adapting to the previous strain of the Virus. While Mordin rationalises it that it was simply to keep the Krogan numbers in check so they could not threaten the Galaxy again, Shepard gets ''pissed'', calling it practically a War Crime that the Salarians don't have the courage to admit responsibility for.
** Paragon Shepard also has this attitude when discovering the true purpose of Project Overlord, where the Paragon Interrupt is pistol-whipping Dr. Gavin Archer for [[spoiler: experimenting on his brother and hooking his mind into a machine]]. When Shepard re-encounters him in ''3'', it's clear they ''still'' have nothing but utter contempt for him, even if they are currently saving his life again.
** Paragon Shepard can invoke this in ''3'' to try to end the Geth and Quarian [[RobotWar conflict]], stating that the Geth ''don't'' want to fight the Quarians and that throughout their history, all they've done is act in self-defence due to the ''Quarians'' being the aggressors in the conflict. With a high enough Paragon rating, Shepard can even end the entire war by brow-beating the Quarians into a cease-fire.
* ''VideoGame/{{Persona 4}}'''s Yosuke Hanamura yells this at [[spoiler:Adachi Tohru]], who has just taunted him and the rest of the Investigation Team with [[spoiler:the fact that he was the one responsible for the murder of both Mayumi Yamano and Yosuke's beloved senpai Saki Konishi, as well as manipulating Namatame into carrying out his evil work, all for his own twisted amusement]].
* In ''VideoGame/TheElderScrollsVSkyrim'', in one of the late Thieves' Guild quests, you enter a dungeon to find an entire group of bandits slaughtered. When you meet up with your friends, they explain that it was the work of the traitor you're hunting down. Brynjolf says this:
-->'''Brynjolf:''' Crime is one thing. ''Murder'' is another. [[spoiler:Mercer]] will pay for this.
* In ''VideoGame/InjusticeGodsAmongUs'', at the beginning of the fight between {{Franchise/Batman}} and Regime Nightwing [[spoiler:who is actually Damien Wayne]], Batman tells him
-->'''Batman:''' [[spoiler:You stopped being my son when you killed Dick Grayson. He was my son.]]
** After the fight his victory line is:
--->'''Batman:''' You're dead to me.
* ''StarWarsTheOldRepublic'': The Consular's eventual Padawan, Nadia Grell, is the SpoiledSweet daughter of a senator, and one of the nicest people you will ever encounter in the game. Daddy Grell turns out to be a fine statesman and stalwart ally of the Consular until the Sith kidnap him. When Consular and Nadia charge in as BigDamnHeroes to save Daddy Grell, it's too late - the Sith tortured him to death. Sweet little Padawan Nadia ''[[BewareTheNiceOnes loses it,]]'' and even if you try to intervene, that Sith is ''dead'' by her hands.
* In ''VideoGame/SlyCooperThievesInTime'', [[spoiler: Penelope committing a FaceHeelTurn and betraying Bentley's heart]] has caused Sly to declare war on [[spoiler: her]], not long before [[spoiler: she [[MoralEventHorizon steals Sir Galleth's cane]].]] It looks like [[VideoGame/Sly3HonorAmongThieves Dr. M]] did managed to get through to one member of the Cooper Gang, after all, though not Bentley.
* In ''VideoGame/LufiaCurseoftheSinistrals'', Selan declares this ad verbatim when the sinistral Gades brings destruction on the city of Parcelyte via a meteor storm.
* [[HookerWithAHeartOfGold Lauren Winter]] from ''VideoGame/HeavyRain'' swore on [[MamaBear her son's grave]] that, no matter who he was, she would kill him, but she is particularly angry when she realizes that it's [[spoiler: Scott Shelby, the man helping her track down the killer. If she's alive, she curses him on his grave or, if he kills everyone else, guns him down in the street.]]
[[/folder]]

[[folder:Web Comics]]
* In ''WebComic/SequentialArt'', the Quinten story arc begins with Kat and Scarlet going clothes shopping, and Kat being subsequently kidnapped by Quinten employees who mistook her for Scarlet, [[spoiler: an escaped {{WetwareCPU}} component]]. The next comic shows Art and Pip coming back from a movie to find [[ItsAllMyFault Scarlet on the porch, bawling her eyes out from guilt]]. After she explains how [[spoiler: she escaped from Quinten when the AI she was analyzing tried to kill her in the garbage incinerator]], [[BreakTheCutie she cries some more]], saying that its her fault that Kat was taken, and that she's scared and doesn't know what to do. In what is probably the only display of genuine affection he has shown to Scarlet thus far, Pip says that Quinten must pay for making Scarlet cry.
[[/folder]]

[[folder:Web Original]]
* In the first video (and most popular) of the Unforgivable series, this trope is averted really, really hard. The narrator essentially meets a woman while he is plotting to buy pants with stolen money, gets her number, and takes her out on a date. This date consists of her buying him food, him treating her rudely, and eventually [[spoiler: him forcing her to satisfy his libido in the bathroom of the arcade to make up for the fact that she had two siblings]]. He then shouts, "UNFORGIVABLE!" at the end. However, after watching the rest of the video, this only proves that he is an extremely angry person who gets upset about minor things.
* At the beginning of WebVideo/TheNostalgiaCritic's pre-recorded review of ''{{Kazaam}}'':
-->'''Nostalgia Critic''': To err is human... TO MAKE THE WORST PIECE OF COW SHIT TO EVER STAR [[ShaquilleONeal A BAD-ACTING, 7-FOOT TALL BASKETBALL SUPERSTAR]] IS UNFORGIVABLE!!!
* In ''{{Tasakeru}}'', Zero says this [[spoiler: after N'Ktane pulls an incredibly cruel sneak attack in Book IV.]] As he's a former {{Samurai}}, the usage is deliberate.
* In ''FanFic/DungeonKeeperAmi'', what amounts to this happens during the [[http://addventure.bast-enterprises.de/246220.html invasion of Dreadfog Island]], when [[spoiler:Empress Mercury learns that the undead priests of the Crowned Death have plucked out the eyes of eight thousand captive innocents they intend to sacrifice -- including children -- so that they couldn't cause trouble]]. Ami's response?
-->''Cold rage simmered in Ami's heart as her bright crimson gaze focused on the fog-covered island, a dark stain against the setting sun. Crowned Death and his minons would pay, she promised herself. Her armoured gauntlets, balled tightly into fists, groaned as her fleet charged onwards into the blood-red sunset. They. Would. Pay.''
* In the visual novel ''VisualNovel/SixRules'', after [[spoiler:the Tairas burn down the Minamoto home and take Ryouji prisoner]], Ryouji speaks to the one who betrayed him, who he can now feel nothing but burning hatred for; and they have an exchange very similar to the page image:
-->''Ryouji gritted his teeth and spoke, lowly.''\\
'''Ryouji:''' I'll never forgive you.\\
''She looked amused, a smile playing on her lips.''\\
'''[[spoiler:Yukiri]]:''' Oh dear. What am I going to do if you don't forgive me?
[[/folder]]

[[folder:Western Animation]]
* Western animation equivalent: Characters/BugsBunny's declaration, "Of course you realize, ThisMeansWar!" heard (as per Chuck Jones) when the happy-go-lucky wabbit is finally pushed to the wall. Cue asskicking, etc. [[MarxBrothers Groucho Marx]] [[OlderThanTheyThink said it first]].
** This line is also uttered by a character in a WoodyWoodpecker short.
** There's the ''WesternAnimation/{{Animaniacs}}'' version: "Of course you realize, this means -- Warners!"
** Unfortunately, when [[ComicBook/AstroCity Jack-in-the-Box]] [[IWasJustJoking humourously quotes this statement]], it's misinterpreted to disturbing effect in a possible future.
* In season 1 of ''WesternAnimation/WinxClub'', when Bloom is taking her simulator test, her rabbit Kiko secretely joins her. When the Trix sabotage the test to see if Bloom has the Dragon Flame, they try to get her angry. They eventually manage to get this reaction out of her when they shoot Kiko into lava. Bloom goes crazy and easily drives the Trix away, but the Trix do confirm that she has the Dragon Flame. Bloom and Kiko turned out okay, since it was mostly just a simulation.
* ''TransformersAnimated'': "Wasp... forgive... Bumblebot... [[spoiler: ...but ''Waspinator'' NEVER FORGIVE!!!"]]
* In ''WesternAnimation/TheSpectacularSpiderMan,'' [[DatingCatwoman Black Cat]] says that she'll never forgive SpiderMan for turning her father into TheAtoner after he [[spoiler:killed Uncle Ben]], so that he refused to [[spoiler:break out of prison when she came to rescue him]].
* Many ''ComicStrip/{{Popeye}}'' cartoons find the sailor, pushed to the limit, saying, "That's all I can stands, I can't stands no more!" or "I've had enough, and enough is too much!"
* In ''WesternAnimation/AvengersEarthsMightiestHeroes'', Hawkeye's "You're dead to me!" is a particularly harsh variation reserved for a former friend, Black Widow.
* In ''WesternAnimation/TeenageMutantNinjaTurtles2003'', Raph gets so angry over having been paralyzed by one of the hornets earlier in the ''"April's Artifact"'' episode that he declares, "Bugs... must... PAY!"
** Later, in ''"Same as It Never Was"'', Donny becomes enraged at Future Shredder after the Karai Legions kill Future Mikey to such horror from Don that he lets out a BigNo, plowing his way through the androids declaring that Future Shredder will pay for it, just before blasting away at Future Shredder with his exo-suit.
*** Also, in the same episode, after Future Karai kills Future Leo from the back, an enraged Future Raph, after letting out another BigNo, clearly tries to kill Future Karai for it. He gets killed by her... only for Future April to avenge them both by blasting Future Karai hard enough to kill her.
* The title character of ''WesternAnimation/DanVs'' does this in every episode. Once he wants revenge on someone (or something), almost nothing will convince him to do otherwise.
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