History Main / EvilWeapon

* In the movie ''Asoka'', Asoka's grandfather tells him to put his sword away because it's a demon that desires bloodshed.

* The Ars Armagus and Nox Nyctores of ''VideoGame/BlazBlue''. While the Ars Armagus, for the most part, "only" expose their weilders to [[AppliedPhlebotinum seithr]], [[PhlebotinumOverload which often leads to]] seithr addiction, physical and mental detoiration, death ([[FateWorseThanDeath if you're lucky]]) and/or BodyHorror bundled up with [[AndIMustScream complete and utter madness]] (if you're not), the Nox Nyctores are noticably more evil in nature. First of all, the catalyst to smelt a Nox Nyctores are tens of thousands of human souls. Secondly, the Nox Nyctores suppress "unnecessary" traits (e.g. {{fear|less fool}}, [[LackOfEmpathy empathy]], [[NoSympathy compassion]] and [[SanityHasAdvantages reason]]) and amplify others (e.g. [[HairTriggerTemper aggression]], [[ThePowerOfHate hate]], {{blood|knight}}lust and [[WithGreatPowerComesGreatInsanity latent psychosises]]) in their wielders in order to make them more "effective" in combat. Thirdly, there's also the fact that a Nox Nyctores shares the Ars Armagus' wonderful side effects.

* The [[BladeOnAStick glaive]] known as the Whisperer of Souls in an example in ''TabletopGame/{{Pathfinder}}'' mythology. It is the weapon of the LoveGoddess Shelyn and is an inherently evil weapon that delights in drinking souls. Once the glaive eats 100 powerful souls, it will supposedly [[DeityOfHumanOrigin become a god]] and create an era of strife and death. Luckily, Shelyn has been freeing the souls trapped in the glaive with a combination of heroic deeds and {{Incorruptible Pure Pureness}}, keeping the evil weapon in check.

** There's also [[BigBad Hazama]]/[[AxCrazy Terumi]] [[{{Troll}} Yuuki]]'s Ouroboros, a metallic snake-head attached to a chain, which has the passive ability to MindRape whoever is hit by it. [[SarcasmMode What luck]] [[BadPowersBadPeople that this weapon fell into the hands of a villain depraved enough to get off on making people miserable]].

* In ''ComicBook/TheWarlord'', Machiste found an ancient cursed axe containing a demonic entity which took possession of his mind. The demon's will prevented Machiste from letting go of the axe. Seeing that the axe's influence was making Machiste more and more tyrannical as well as violent, Travis was forced to remove his friend's right hand, thus severing the axe's spell.

* ''Series/TheOuterLimits1995'' episode "The Gun" has a gun that fuses to its holder's hand and causes him to become filled with murderous bloodlust. It was sent by aliens to test how HumansAreWarriors and see if they will be valuable allies in an interstellar war. The aliens are disappointed when one man uses ThePowerOfLove for his daughter and grandson to break free and let go of the gun, but decide to just send more guns to different people.

*** One of the two spirits of Katen Kyōkotsu is described as treating fights as a game... a kind of game in which children tear off wings of a dragonfly
* In ''LightNovel/{{Durarara}}'', [[spoiler: the truth of the cause of the Slasher attacks was caused by a group of mind-controlled crazies around town, courtesy of]] a sword called Saika, which wants to love, but cannot do so properly, therefore attacks people to "love." After all, it's a sword. [[WhenAllYouHaveIsAHammer Cutting people is the only thing it can do.]] [[spoiler: The true sword of Saika is revealed to be inside Anri Sonohara.]]
** Romy the Silver from Vamp!, which is part of the same universe as Durarara, has a massive collection of Demonic weapons of a variety of types with various effects.

** [[Anime/InuYashaTheMovieSwordsOfAnHonorableRuler The third movie]] features Sou'unga, which is so nasty that not only does it take over its user (like Tokijin, but with more BodyHorror), it eventually grows its own body from Sesshoumaru's severed arm and tries to cause TheEndOfTheWorldAsWeKnowIt.
* Anubis in ''Manga/JoJosBizarreAdventure Part 3'' is a sword with its own Stand, which possesses whoever picks it up. Even a piece of it has this effect.

* ''LightNovel/{{Slayers}}'' has a few examples. The anime has a cursed knife which possesses its wielder and turns them into a maniac berserker (but this somehow can be undone by an angry wife), which Lina attempts to pawn off to an unfortunate shopkeeper. The novels have Doolgofa, the Cursed Sword of Bezeld, which is actually a disguised mazoku who will [[BodyHorror fuse with]] any poor fool who picks it up.

* In ''Anime/YuGiOhCapsuleMonsters'', the Blade of Chaos corrupts both Joey and a Red-Eyes Black Dragon.
* ''Manga/{{Dororo}}'': Nihiru is a bloodthirsty demon-possessed katana that is capable of controlling the wielder's body (with some effort, if the wielder chooses to resist) and cannot be released of the one's own free will once held (though can still be forcefully disarmed by another person). It also may affect the mind after enough kills, though it's not entirely clear whether that is the case or whether the wielder just went insane from trauma.
* ''Manga/{{Genzo}} Hitogatakiwa'':
** Subverted in the side-story ''Gotsuden'', where the villain is a madman obsessed with BlackMagic who wields the Jintsumaru Tenganken, said to be an evil sword capable of creating illusions and twists its owner. However, the son of the blacksmith who forged the Jintsumaru claims that the sword has no magic power, it's reputation alone makes anyone who wields deluded that he's been influenced by the evil blade.
** PlayedStraight by the Yamiganemaru in the final arc: while at first the danger seemingly comes only from the deranged wielder Yasuke, Kiku is overwhelmed by the spirits of the people died to make the sword and is possessed by their influence, turning on Yasuke and her own friends.

-->-- ''VideoGame/WarcraftIII'', about Frostmourne

* ''VideoGame/WarCraft'':
** Frostmourne of ''VideoGame/WarcraftIII'' is one of these. It even corrupts the wielder (not that the wielder wasn't asking for it), and hungers for souls. It can drain the victim's soul to strengthen the wielder or to be later reanimated. There's even a warning inscribed on the dais where Arthas finds it:

** More examples include several of the Artifact Weapons introduced in Legion, such as Apocalypse, a murderous greatsword that Unholy-spec Death Knights get, the cursed Dreadblades that Outlaw Rogues end up with, and literally all of the Warlock's possible Artifact Weapons. Shadow Priests even get a talking Old-God-related dagger with a [[ArousedByTheirVoice disconcertingly attractive]] [[HearingVoices voice]]. Oddly enough, the Frost Death Knight swords, Icebringer and Frostreaper, despite being made from the remains of Warcraft's king of this trope, Frostmourne, manage [[SubvertedTrope not]] to be.

* It is rumored the Ba'al Verzi daggers in the ''TabletopGame/{{Ravenloft}}'' setting cannot be sheathed before having killed someone.

* The ''Wiki/SCPFoundation'' has plenty of evil weaponry, but one that stands out is actually a subversion, the "[[http://www.scp-wiki.net/scp-572 Katana of Apparent Invincibility]]". This sword imbues the wielder with the '''impression''' of great power and drives them to attempt dangerous actions that are almost guaranteed to end terribly because the sword actually grants no supernatural combat skill whatsoever and is, in and of itself, a shitty sword with unnecessary cutting parts that are apparently a lot sharper than its actual edge, which is blunt as a butter knife. In contrast to the usual evil weapon, it's pretty much harmless to others, but almost guaranteed to get the wielder injured or killed, so it still handily qualifies.

* ''LightNovel/TheAsteriskWar'': Gravisheath, the Orga Lux used by Irene Urzaiz, or rather [[RussianReversal that uses Irene Urzaiz]]. A SinisterScythe with energy-intensive GravityMaster powers, it transforms her into a vampire-like state to power itself (by draining mana in the form of blood from her beloved sister Priscilla) and overrides her normal nice (if uncouth and temperamental) personality with a BloodKnight one. [[spoiler:Irene and Priscilla actually ''thank'' Ayato for destroying it in their match at the end of volume 3.]]

[[folder:Light Novels]]
* The Legendary Weapons of the Four Heroes in ''LightNovel/TheRisingOfTheShieldHero'' have the potential to become evil through the Curse Series. If conditions are met, the Weapon can unlock a cursed form based on the SevenDeadlySins and further corrupt its wielder with that sin. Naofumi unlocks the [[UnstoppableRage Wrath Curse]] which becomes his SuperpoweredEvilSide.
[[/folder]]

The "personality" of the evil weapon often varies according to the [[WeaponOfChoice traits associated with it.]] A dagger is insidious, an axe encourages brutality, staffs are subtle and sophisticated in their corruption... Swords are the most common evil weapon. Most other weapons have a peaceful purpose: bows and spears for hunting, hammers for hitting nails, axes for chopping wood... The sword and mace are the only medieval weapons that cannot serve any purpose except war. Because they are so common they also vary much more in how they are evil.

* Mike, [[CuteWitch Yoriko's]] [[SimpleStaff staff]] in ''VideoGame/ArcanaHeart'' which is a sealed Demon King in reality and is more likely to use [[GrievousHarmWithABody Yoriko as a bludgeoning device]] than the other way around. Though really, he is more of a JerkWithAHeartOfGold Weapon than an outright Evil Weapon. Offer him enough [[TrademarkFavoriteFood doughnuts]] and you'll have a friend for life.

* The "thirsty sword" in ''The Remarkable Journey of Prince Jen'' is quite possibly AxeCrazy as well as evil. It constantly whispers into the wielder's mind "Give me to drink" it can also "slice through anything without force". [[spoiler: Though it reaches its limit at one point, twists out of one owner's hand and screams "GIVE ME NO MORE TO DRINK!]].

** Lord Briarwood's blade, Craven Edge is this. [[spoiler: As a greatsword it is of course wielded by Grog. It constantly whispers to him, craving fresh blood, and occasionally seems to influence Grog into being... slightly more of a [[BloodKnight bloodthirtsy maniac]] than usual. Gets turned UpToEleven when you read Craven Edge's stats. If its ability to absorb the strength of the people it cuts is used too often, it can outright kill the wielder the next time they sleep.]]

** The series has the Devil weapons, which are incredibly powerful, but can randomly make you take damage instead of your opponent.
** Also throughout the series, The Wo Dao is described as a wicked blade that feeds off of slaughter and bloodshed. As a result, throughout the series its wielders have been {{Blood Knight}}s at best, and deranged psychopaths at worst.
** In ''VideoGame/FireEmblemGenealogyOfTheHolyWar'', you have the Loptyr tome, which corrupted its wielder Julius from a kind and sickly young man into TheAntichrist as soon as Manfroy put it in his hands.
** In ''VideoGame/FireEmblemThracia776'', there's the Shadow Sword that makes Mareeta into BrainwashedAndCrazy swordmaster. Later,[[spoiler: Saias purify the weapon in order to turn her into normal self.]]

** The Heroes' Relics from ''VideoGame/FireEmblemThreeHouses'' appear bonelike, have a pulsating orb in the centre & constantly twitch & move on their own. [[BodyHorror They also turn those without crests]] [[WasOnceAMan into demonic beasts]] as seen early on in the game with the Lance of Ruin. [[spoiler: Late in the game, it's revealed that the Heroes' Relics weren't [[LegendaryWeapon gifts from the goddess]], but weapons made utilising forbidden [[AbusivePrecursors Agarthan]] Technology & made from [[PoweredByAForsakenChild the bones & hearts of the Children of the Goddess]].]]

These weapons might kill everything in their way, rather than just what they need to. Some refuse to go back into the scabbard without killing. Some [[SituationalSword just don't activate the awesome magic]] without [[IfYoureSoEvilEatThisKitten the wielder killing a kitten.]] Some kill not the body, but the soul. [[ArtifactOfDeath Some kill their wielders as well]], whether directly or indirectly, instantly if they're hungry enough or over time by draining LifeEnergy. Some don't. Because, you see, they wield the wielder, instead of the other way around. And [[ClingyMacGuffin they are prone to being hard to get rid of]].

* ''ComicBook/ContestOfChampions:'' Guillotine's sword is an ancient living weapon which feeds on blood, and plenty of it for preference. When first seen it's in an abandoned catacomb under Paris, surrounded by bones, whispering to a Frenchman fleeing some revolutionaries to pick it up. In the modern day, it's having to get by on the paltry amounts Guillotine gives it, while suggesting she solve the little problem of her fiancé by murdering him. And as it turns out, ownership of the sword extends beyond death, since the flashback to Guillotine's origin shows that when she accidentally woke the sword up by cutting her finger on it, she was met by the spirits of every one of her forebears.

** In an early ''ComicBook/TheTransformers'' comic, [[EvilOverlord Megatron]] is damaged and becomes stuck in gun mode with no free will. A petty criminal picks up the super-powerful gun and uses it to become a highly successful criminal, but the experience ends up pretty much ruining his life anyway. To cap it all off, after screwing up the crook's life beyond repair, the gun wakes up, turns into a giant robot, insults him, and leaves.

* In ''Franchise/{{Superman}}'' storyline ''ComicBook/TheKillersOfKrypton'', it is revealed Rogol Zaar's battle axe influences its bearer by making them angrier and more violent to feed from their rage.

* Mike, [[CuteWitch Yoriko's]] [[strike:kitty]] [[SimpleStaff staff]] in ''VideoGame/ArcanaHeart'' which is a sealed Demon King in reality and is more likely to use [[GrievousHarmWithABody Yoriko as a bludgeoning device]] than the other way around. Though really, he is more of a JerkWithAHeartOfGold Weapon than an outright Evil Weapon. Offer him enough [[TrademarkFavoriteFood doughnuts]] and you'll have a friend for life.

* Anglachel/Gurthang from Tolkien's ''Literature/TheSilmarillion'', described by [[HotWitch Melian]] thus: "There is malice in this sword. The dark heart of the smith still dwells in it. It will not love the hand it serves, neither will it abide with you long." It sang in joy as it killed, and it may be responsible for the death of its third owner, Beleg (the intentions and will of the sword in that matter are left ambiguous). When Turin asked it to take his life after discovering he had [[SurpriseIncest unwittingly married his sister]], the sword [[TalkingWeapon answered:]] "Yea, I will drink thy blood gladly... I will slay thee swiftly."

* In ''WebVideo/CriticalRole'' Lord Briarwood's blade, Craven Edge is this. [[spoiler: As a greatsword it is of course wielded by Grog. It constantly whispers to him, craving fresh blood, and occasionally seems to influence Grog into being... slightly more of a [[BloodKnight bloodthirtsy maniac]] than usual. Gets turned UpToEleven when you read Craven Edge's stats. If its ability to absorb the strength of the people it cuts is used too often, it can outright kill the wielder the next time they sleep.]]