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Sword Devil Executioner (剣鬼ブッタギリ, Kenki Buttagiri, VIZ: The Chopper-Upper) was a Mysterious Being and a member of the Monster Association. He was killed by Atomic Samurai.[1]


Sword Devil Executioner had a short stringy beard and long hair, giving him an aged look. He had eight eyes, wore a set of spiky armor, and wielded a sword with a similar aesthetic.


Sword Devil Executioner was an arrogant monster, believing himself to be an equal to Atomic Samurai. He was also very dedicated to his swordsmanship, determined to be the greatest swordsman in the world.


Human Monster SagaEdit

Monster Association ArcEdit

Demon Blade Executioner death

Atomic Samurai slices Sword Devil Executioner into pieces.

Atomic Samurai slices several monsters in half. However, Sword Devil Executioner manages to block the blow.[2] The hero is surprised by this, and Sword Devil Executioner goes on to explain his determination to kill Atomic Samurai, as defeating the hero would help him on the path to being known as the world's strongest. The monster then launches several swings, which Kamikaze effortlessly parries. Sword Devil Executioner boastfully claims that they are equals, but he is quickly proven wrong when Atomic Samurai slices him into several pieces, killing the monster.

Abilities and Powers Edit

Though his disaster level is unknown, Sword Devil Executioner displayed a reasonable amount of skill and power. He was rather proficient with his swordsmanship, being the only one of several monsters who was able to avoid Atomic Samurai's Flash Attack.[3]

Physical Abilities Edit


Sword Devil Executionar trades blows with a casual Atomic Samurai

Enhanced Speed: Sword Devil Executioner was able to react fast enough to avoid death by Atomic Samurai's Flash Attack. He was also able to trade blows with the hero for a short while, albeit ineffectively.[4]

Fighting StyleEdit

Expert Swordsman: Sword Devil Executioner dedicated his life to the sword, though he was no match for Atomic Samurai.


Sword: Sword Devil Executioner carried a sword on him and was proficient in using it.


  • His name is a pun on the Japanese words for "to chop up", "manslayer" and "cut".
    • 人斬り (Hitokiri), which means "manslayer" or "assassin".
    • 打った切る (Buttagiru), which means "to chop up".
    • 切り (Kiri), which indicates a "cut".


  1. One-Punch Man Manga; Chapter 110
  2. One-Punch Man Manga; Chapter 110, page 7
  3. One-Punch Man Manga; Chapter 110
  4. One-Punch Man Manga; Chapter 110


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