History HarsherInHindsight / FanWorks

* ''Fanfic/MementoMori'' from Durandall of ''Fanfic/KyonBigDamnHero'' fame is pretty disturbing on its own. It gets worse once you realize the author was just as suicidal as the Kyon in this fic.

[[AC:''VideoGame/FiveNightsAtFreddys'']]

* ''Recap/DiaryOfAnAnalog'', in Chapter 18, featured a noteworthy portrayal of a Dark Digivolved [=MagnaAngemon=] into [=ShadowSeraphimon=] against a murderous opponent who had racked up a high body count by the time this occurs. The opponent is Darkdramon. However, in spite of this being a Dark Digivolution for Patamon, he still shows sign of his usual self as he inflicts hell upon Darkdramon for his actions, giving him a FamilyUnfriendlyDeath in the process.[[note]]Technically, Darkdramon cheats to survive by vomiting his Digicore into the horizon, but that's just semantics.[[/note]] [=ShadowSeraphimon=] also emerged while T.K. was having relatively stable emotions, as opposed to how most Dark Digivolutions happened while the human partner was unstable with the resulting Digimon becoming a mindless beast. Considering just how DarkerAndEdgier this is with past canon examples, this couldn't possibly happen in an actual ''Digimon'' series for real, could it? [[spoiler:Well, in [[WhamEpisode Episode 13]] of ''Anime/DigimonGhostGame'', that is '''exactly''' what happens; a majority of the overall beats in Chapter 18 of ''Diary of an Analog'' are disturbingly accurate in hindsight to what happens in Episode 13 of ''Ghost Game'', the opponents in both cases being a SerialKiller member of the D-Brigade of Mega and Champion Level respectively, and both of them going up against the lead protagonist with their partner mon undergoing Dark Digivolution in a completely different light from how past examples have handled this sort of corruptive Digivolution. Gammamon to [=GulusGammomon=], however, differs in few key areas which make it all the more a horrifying experience than [=MagnaAngemon=] to [=ShadowSeraphimon=] was. First, there's the fact [=GulusGammamon=] Dark Digivolves on his own accord with no influence from Hiro and using his own negative emotions as the crux of how he becomes this form, and not only that, but [=GulusGammamon=] isn't a mindless beast either; '''he's completely and fully aware of exactly what he is doing as his personality has completely warped into a sadistic, hatemongering powerhouse, who outright kills Sealsdramon.''' With [=ShadowSeraphimon=] having thought he killed Darkdramon, it wasn't treated as abnormal because this was far from the first time Patamon killed any of his opponents, and this sort of fight was kind of standard issue for the original ''Adventure'' continuity. Here? [=GulusGammamon=] has first blood out of all of the protagonist Digimon in ''Ghost Game'', as none of them had outright intended to kill the enemies of the week previously, and instead tried to resolve things peacefully. Also, the last detail that's very subtle if anything? Darkdramon's body count was limited to the double digits; Sealsdramon killed '''''1,000''''' Digimon up until [=GulusGammamon skewered him.=]]]

* ''VideoGame/SeventhEndmostVision'': In the story, [[ReportsOfMyDeathWereGreatlyExaggerated Tifa was reported dead after the events of Nibelheim five years ago]], and many like Rufus initially suspected [[MistakenForAnImposter that she was a SOLDIER taking the name and identity of the famed war-hero]], Cloud being one of the few that recognizes she truly is his {{Childhood Friend|s}}. However, in ''VideoGame/FinalFantasyVIIRebirth'', [[spoiler:Cloud is manipulated by Sephiroth into thinking that Tifa was killed during the events of Nibelheim, and that the one traveling with him is a Jenova offshoot, leading to [[NearDeathExperience nearly deadly results for Tifa]]]].

** Amazana Yoriko being a Japanese Nazi was once considered just another one of the fic's many absurdities. Fast-forward to increased awareness of fascist and nationalist sentiment in Japan...

* ''[[https://m.fanfiction.net/s/14096572/1/Those-Left-Behind Those Left Behind]]'' has the main cast running into [[TheRemnant a remaining battalion of Jem'Hadar]] that aren't aware the Dominion War is over, with the Ensigns (particularly Mariner) dealing with them in the typical comedic manner the fic author is famous for. One year after the fic was finished, Season 4 of ''Lower Deck'' would reveal that Mariner fought in the Dominion War and saw many of her fellow ensign sent out to fight the Jem'Hadar and die in the process, which [[ShellShockedVeteran forged her]] into the MilitaryMaverick she is in the show.

* ''Fanfic/TellHimAllButTheTruth'' (''WesternAnimation/TheSecretShow'' and ''VideoGame/{{Psychonauts}}''): As if Victor's mental breakdown at the beginning of the fanfic wasn't heartbreaking enough already, it became even more so when the author revealed in Chapter 20 that they'd been dealing with severe psychosis while writing the story.

* In the ''ComicBook/{{Supergirl}}'' story ''Fanfic/HellsisterTrilogy'', Linda Danvers and her adoptive parents attend [[Franchise/{{Superman}} Clark and Lois]]' wedding. Fred Danvers is aware that many super-heroes are attending and jokes about figuring out their secret identities. Linda warns him about Franchise/GreenLantern mind-wiping whoever gets too nosy. The whole sequence is treated as a funny moment, and was written four years prior to ''ComicBook/IdentityCrisis'' deconstructing the idea of heroes mind-wiping villains.

** A Red Earth Pony in the newer generation finds themselves in a position of power that they serve as the BigBad by creating a CultOfPersonality that has aspirations to TakeOverTheWorld and [[KillThemAll wipe out all the other factions that stand in his way]].

** The next generation of Heroes that crop up consisting of a Societal outcast Main Lead that is visited by a Unicorn Mare that causes problems for the Heroine that she is forced to leave home, and along the journey teams up with a LawfulNeutral Earth Pony, a Pegasus from [[DefectorFromDecadence high social standing that fell from grace]], the Unicorn Mare responsible for the mess that happened, and another Mare who uses a popular form of social media to communicate and inspire ponies around her with.

** The MST has a joke wherein Ami interprets Daria's descriptions of Trent to mean he's like Creator/KevinSpacey and fails to see why Daria is still not willing to commit to a relationship because of that. Given that Spacey's career was later torpedoed by sexual transgressions, Ami ends up looking worse in that gag.

* The ''Webcomic/HetaliaAxisPowers'' fanfic ''Fanfic/{{Mistakes}}'' features a scene where Balhae, [[MindHive sharing South Korea's body]], makes a LifeOrLimbDecision and cuts off the shared body's feet in order to remove their shackles. (Being nations, she can [[GoodThingYouCanHeal stick them back on]], but still.) This chapter was written well before "[[Webcomic/{{Homestuck}} Caliborn: Enter]]".

* ''[[https://www.fanfiction.net/s/400102/1/Out-of-the-Ashes Out of The Ashes]]'': As if the name itself isn't bad enough, the fanfic details ''characters being killed in explosions, buildings exploding'' and, to top it all off, ''a terrorist group''. The date it was posted? '''''September 11, 2001.'''''

** Steven [[spoiler:[[AccidentalMurder kills Zoisite and Zircornia completely by accident]]]] at the end of Chapter 13 and then [[StressVomit expresses remorse over what's he done by puking]] in Chapter 14. Steven himself would not [[spoiler:kill (or shatter) a Gem]] until over five years later in ''WesternAnimation/StevenUniverseFuture'' when he [[spoiler:accidentally shattered Jasper]] in the episode "Fragments."

* Chapter 6 of the ''VideoGame/FireEmblemFates'' fanfic ''Fanfic/ABrighterDark'' has Corrin coming into contact with Mikoto for the first time after being taken away by Garon, but completely rejecting her Hoshidan heritage and threatening to kill anyone who refers to her by her Hoshidan name (Kamui). Mikoto winds up doing just that when a dinner invitation is ruined by an argument between Corrin and Takumi, and two chapters later, Corrin's Ganglari sword suddenly comes alive and skewers Mikoto in full view of a crowd of angry Hoshidans, reigniting the war with Hoshido and Nohr in earnest.