''Mistakes'' is an in-progress ''AxisPowersHetalia'' FanFic by Tropers/{{chelonianmobile}}. It can be found [[http://www.fanfiction.net/s/7887927/1/Mistakes here]].

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* AbusiveParents: Japan attempts to be a father figure to Korea, and is both bad at it and generally a JerkAss.
* AgitatedItemStomping: Japan and China have both hurled their phones at the wall after receiving bad news, and China rips the table to pieces after a particularly trying conversation.
* AttemptedRape: Trying this on [[AxCrazy North Korea]] leads to "several ruptured internal organs". Nobody dares try it again.
* BackFromTheDead: Fairly normal for nations if their bodies are killed. Less normal but still possible if their countries collapse, though the results are [[CameBackWrong less reliable]].
* BerserkerTears: Balhae, while hacking up Japan.
* BizarreHumanBiology: The Koreas' IdiotHair bleeds when cut off, and they can see out of the little face in it.
* BloodierAndGorier: Hoo boy.
* BreakTheCutie: China and Korea.
* BringMyBrownPants: Un-funny variation; China makes mention of having been frightened and confused enough when attacked to have lost bladder control, and it's alluded to during his drug withdrawal.
* CameBackWrong: Possibly Balhae.
* CheeseEatingSurrenderMonkeys: Quoth Russia: "Synchronised panicking only counts as a battle plan if you're French." France and Canada are displeased.
* ClusterFBomb: China.
* CorporalPunishment: Japan canes Korea for misbehaviour. Korea doesn't mind that so much as everything ''else'' he does.
* CuteButPsycho: Everyone, especially Balhae.
* DeathByOriginStory: Korea's mother Silla and sister Balhae (who [[CameBackWrong may have come back]]). Nations don't usually die permanently, but their countries fell and they were left vulnerable to death.
* TheDeterminator: It took five men to bring China down, even when he had a gaping heart wound and had been on his feet for a week straight. Even for an immortal, he's pretty tough.
* TheDogBitesBack
* DracoInLeatherPants / RonTheDeathEater: Weird case; the nations were quite happy to watch humans butcher each other and get their own hands bloody because they don't really mind being killed themselves, but once China was attacked, he and Japan realised what they'd been doing, and have to deal with the ruin of their multi-millenium worldviews as well as everything else.
* DudeLooksLikeALady: Poor, poor China.
* EloquentInMyNativeTongue: Korea's Japanese is pretty bad at first. After thirty years he's got better, but he intentionally exaggerates his accent and poor grammar to annoy Japan.
* EnfantTerrible: North Korea used to be South's older sister Balhae, but didn't age over the millenium she spent dead, and is now technically younger than him. She's also a thoroughly horrible child, though she definitely doesn't deserve any of what she gets.
* [[EvenBadMenLoveTheirMamas Even Bad Men Love Their Brothers]]: ''Very'' deep down and none of them know how to show it appropriately, but they do.
* {{Fingore}}: Even with super-strength, this is the result of smashing locks out of doors bare-handed.
* FromBadToWorse: The fic ''starts'' with the aftermath of the Nanking Massacre and manages to get more horrible from there.
* GirlWithPsychoWeapon: North Korea attacks Japan with a meat cleaver.
* [[GoodThingYouCanHeal Good(?) Thing You Can Heal]]
* GoryDiscretionShot: In the form of showing the violence second-hand, by verbal anecdote or medical report.
* GrandTheftMe: North Korea usually just lurks around in South's head, but when she decides they need to get out, she takes over. He wakes up to find she's beheaded Japan and broken out of the house.
* HumansAreBastards: And how!
* IllKillYou: China flashbacks and shouts threats in Chinese when attempting to perform IntimatePsychotherapy on himself with France, who understands what he's saying and drops him on the floor.
* ImAHumanitarian: North was ''really'' hungry.
* IWillTearYourArmsOff: "... and beat you to death with the wet ends", if America doesn't let China talk to Japan alone.
* ImplausibleDeniability:
-->"Are those trackmarks?"
-->"[[BlatantLies No.]]"
* IntimatePsychotherapy: China tries it and succeeds only in freaking out France as well.
* JackassGenie: Japan to ''himself.''
* JerkAss: Japan.
* KaleidoscopeEyes: [[MindHive South has brown eyes, North has yellow.]]
* LaserGuidedAmnesia: Japan.
* LifeOrLimbDecision: North Korea cuts off both [[MindHive their]] feet to escape their shackles. Of course, [[GoodThingYouCanHeal she can immediately stick them back on]], but still, ow.
* LiteralGenie: Nations have to obey orders from their bosses. Under normal circumstances "forget about it" would have been dismissed as a colloquialism, but Japan really ''wanted'' to forget his hand in his brothers' pain. [[LaserGuidedAmnesia So he did. Completely.]]
* TheLoinsSleepTonight: France notices that the opium left China unable to achieve an erection.
* MadDoctor: The Koreas end up in the hands of Unit 731, and the doctors are overjoyed to have a reusable test subject.
* MindHive: The Koreas.
* MyGodWhatHaveIDone: Japan.
* ObligatorySwearing: China alone uses the word "fuck" ten times in a single 1200-word chapter.
* PayEvilUntoEvil
* PlayingWithSyringes
* ThePollyanna: Korea, until miscommunication leads him to think Japan raped China and is planning to do the same to him.
* PoorCommunicationKills: Japan tells Korea to shut up or he'll "do to you what I did to China", meaning hitting him. Korea is currently under the impression that Japan raped China, and shuts up ''very'' quickly.
* PrecisionFStrike: Japan.
* PromotedToParent: Japan thinks of himself as little brother Korea's new father figure, though technically Korea's closer to being his slave.
* RapeAndRevenge
* RapeDiscretionShot: China trails off in his recounting when he gets to that part, and one of the [DATA CORRUPTED]s covers up [[BizarreHumanBiology misuse of the Koreas' hair]].
* RapeIsASpecialKindOfEvil: The nations [[GoodThingYouCanHeal don't particularly mind being killed]] because it happens a lot, but being raped upsets them as much as it would a human. It's mentioned that Japan's never committed rape himself, but he has watched it happen and found it unremarkable until it happens to his brother.
* SanitySlippage: ''Everyone!''
* ScarsAreForever: Nations can heal up most damage to their bodies with no marks, but the scars stay if the wounds are analogous to war or political turmoil. China has a hell of a lot of scars by now.
* ShoutOut:
** China quotes ''Theatre/TheTempest'' when high.
** During the less dark HopeSpot on "[[FanNickname That Fucking Island]]", Russia makes a comment about the Allies' [[Blog/ThingsMrWelchIsNoLongerAllowedToDoInAnRPG "synchronised panicking" not being a real strategy]].
** A reference to the infamous fic ''Debt''; China tells America to leave him alone or he'll rip his arms off.
** ''HigurashiNoNakuKoroNi''; Japan forces Korea to apologise with every strike while caning him. Later, Balhae attacks Japan with a cleaver while screaming "LIAR!" at him.
** [[Wiki/SCPFoundation [DATA CORRUPTED]]]
** Unintentional one; the scene in which Balhae cuts off the shared body's feet was written before "[[{{Homestuck}} Caliborn: Enter]]".
* ShrugOfGod: On "Balhae"'s actual identity.
* SplitPersonality: Possibly Balhae.
* {{Squick}}: Lots.
* StrappedToAnOperatingTable: Happens to both China and the Koreas. Leather straps can't hold them, so the Koreas actually end up Chained To An Operating Table.
* SupernaturalGoldEyes: The Koreas' eyes [[KaleidoscopeEyes become yellow]] when North is in control of the body, in keeping with a [[CunningLikeAFox gumiho]] theme from another of the author's fics.
* TakeMeInstead: China. Naturally it doesn't help.
* TalkingToThemself: The Koreas.
* TheyWouldCutYouUp: They ''do.'' A lot. Justified in that they can easily put the Koreas back together.
* ToThePain:
-->"And I want you to know, if I ever find out you were lying to me just now, I will kill you. I won't ask if you understand me, because I know you do. I mean this. I will bring your final death, I will dye the straits between us with your blood, and I will ensure nothing ever grows or breathes upon your land again."
* TraumaticHaircut: Korea has two, once at Japan's hands and once at the Unit. His IdiotHair is cut off several times until it stops growing back; since his hair represents his Spirit, this is his breaking point.
* UnsettlingGenderReveal: Least funny variation possible. Sadly it wasn't unsettling enough to make the guys stop.
* WellIntentionedExtremist: Japan.
* WhatMeasureIsANonHuman: Inverted: What Measure Is A Human To A Non-Human? The nations have no problem with watching the rape, torture, and murder of humans, and quite enjoy battles. WordOfGod is that if China had escaped unhurt from the massacre, he would have been pissed off at losing and not much else.
* WhyDidYouMakeMeHitYou: Japan to Korea.