One Hit Kill

"That weapon defeats foes with one hit. However, the reverse is also true, as its wielder will also fall to a single strike. You can use this weapon's ability only twice within a set period of time...only when it is glowing. When enough time passes, the weapon will regain its sheen along with its power."

- Maz Koshia describing the One Hit Obliterator (The Legend of Zelda: Breath of the Wild)

The power to kill the target in a single hit. Variation of Absolute Attack, Death Inducement and Probability Manipulation.

Also Called

 * Death in One Strike
 * Instant Kill Attack
 * One Hit Knock-Out
 * One Shot Kill
 * Single Hit Kill

Capabilities
The user can kill the target with a single strike. The attack carries special attributes, such as lethal poison or death inducement, that would result in an instant death the moment it connects, disregarding on the location of contact or the target's remaining vitality.

Other, less sophisticated methods are either the attack strikes the target's vital point, or it just carries devastating firepower and brute force to outright kill the opponent.

The instant kill is capable of bypassing regeneration of any level, as it deals death before the opponent has a chance to rejuvenate.

Variations

 * Death Inducement
 * Fatal Touch
 * Kiss of Death
 * Vision of Death
 * Double Hit Kill

Associations

 * Absolute Attack
 * Absolute Strength
 * Conceptual Attacks
 * Destiny Manipulation
 * Irreversible Destruction
 * Luck
 * Probability Manipulation
 * Special Attacks

Limitations

 * If the attack is blocked or evaded, it becomes useless.
 * Friendly fire or misfire will lead to unintentionally killing an ally or oneself.
 * Useless against users of Immortality or Resurrection.
 * May only work under certain conditions/targets.

Known Users
See Also: One-Hit Kill.

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Mythology/Folklore

 * Basilisk (Mythology/Folklore)
 * Cockatrice (Mythology/Folklore)
 * Grim Reaper (Mythology/Folklore)

Anime/Manga

 * Fiamma of the Right (A Certain Magical Index)
 * Azumi (Azumi)
 * Akame (Akame Ga Kill!)
 * Gozuki (Akame Ga Kill!)
 * Azumi (Azumi)
 * Kagerou (Basilisk)
 * Guts (Berserk)
 * Saechika (Code:Breaker)
 * Arkadimon (Digimon)
 * Devil Man (Dragon Ball)
 * Hit (Dragon Ball Super)
 * Zeref (Fairy Tail)
 * Kenshiro (Fist of the North Star)
 * King Bradley (Fullmetal Alchemist)
 * Ai Enma (Hell Girl)
 * Alan (Marchen Awakens Romance)
 * Itachi Uchiha (Naruto)
 * Kaguya Ōtsutsuki (Naruto)
 * Various Characters (Kingdom)
 * Magellan (One Piece); via Doku Doku no Mi's Kinjite Poison
 * Saitama (One Punch Man)
 * White Demon (Toriko)
 * Jirou Sorashima (Wallman)

Literature

 * Farslayer (Book of Swords)
 * Users of the Deplorable Word (Chronicles of Narnia)
 * Basilisk (Harry Potter)
 * Users of Killing Curse (Harry Potter)
 * Francisco Scaramanga (James Bond: The Man with the Golden Gun)

Comics

 * Gudra (DC Comics)
 * Saint of Killers (Preacher/Vertigo Comics)
 * Death (Family Guy)

Video Games

 * Akuma (Street Fighter)
 * White Bomber (Bomberman 64: The Second Attack)
 * Regulus/Bulzeeb (Bomberman 64: The Second Attack)
 * Astral Knights (Bomberman 64: The Second Attack)
 * Goëtz von Berlichingen (Dies Irae)
 * Reinhard Heydrich (Dies Irae)
 * Machina's (Dies Irae)
 * Death (Dragon's Dogma)
 * Rest (Final Fantasy VI); via Calmness/Repose
 * Users of "Lethality" (Fire Emblem)
 * Xemnas (Kingdom Hearts II)
 * Link (The Legend of Zelda)
 * Silent Realm Guardians (The Legend of Zelda: Skyward Sword)
 * (Awakened) Zero (Mega Man X5)
 * Pokémon who can use "Fissure", "Guillotine", "Horn Drill", or "Sheer Cold" (Pokémon)
 * Shadow the Hedgehog (Sonic Chronicles: The Dark Brotherhood)
 * Silver the Hedgehog (Sonic the Hedgehog 2006)
 * The Ghost (Spelunky)
 * Inklings (Splatoon)
 * Agent 3
 * Octarians (Splatoon)
 * DJ Octavio
 * Boss Bass (Super Mario Bros.)
 * Bubba (Super Mario 64)
 * Barbatos Goetia (Tales of Destiny)
 * Li Shuwen (TYPE-MOON)
 * Illidan Stormrage (Warcraft)
 * Lich King (Warcraft)
 * Deathwing (Warcraft)
 * The Spy (Team Fortress 2)}}

Known Items
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Anime/Manga

 * Murasame (Akame Ga Kill!)
 * Dragon Slayer (Berserk)
 * Death Note (Death Note)
 * The Vorpal Blade/Sword (Jabberwock)
 * Ou Ki's Glaive (Kingdom)
 * Incarnation of the Radius Sword (Sword Art Online)
 * Object Eraser (Sword Art Online)
 * Gae Bolg (TYPE-MOON)

Literature

 * Ivory Knife (Chronicles of the Kencyrath)
 * Killing Curse (Harry Potter)
 * Golden Gun (James Bond: The Man with the Golden Gun)
 * God-Killer Sword (Skulduggery Pleasant)
 * Sceptre of the Ancients (Skulduggery Pleasant)
 * The Vorpal Blade/Sword (Jabberwocky by Lewis Carrol)

Video Games

 * Gravity Bomb (Bomberman 64: The Second Attack)
 * Saibamen (Dragon Ball Xenoverse)
 * Daybreak (Kid Icarus: Uprising)
 * Mehrunes' Razor (The Elder Scrolls V: Skyrim)
 * One-Hit Obliterator (The Legend of Zelda: Breath of the Wild)
 * Boomerang (The Legend of Zelda: Link's Awakening)
 * Light Arrows (The Legend of Zelda: The Wind Waker)
 * Genmurei (Mega Man X5)
 * Last Word (Planescape)
 * Death Skills (Shin Megami Tensei)
 * Certain Inkling weapons (Splatoon)
 * Certain Octarian weapons (Splatoon)
 * Butterfly Knife weapons (Team Fortress 2)

Cartoons

 * Rose's Sword (Steven Universe); technically}}