"Satsujinken" redirects here. For the Japanese film Gekitotsu! Satsujinken, see The Street Fighter.

Ansatsuken (暗殺拳?, literally "assassination fist") is a Japanese neologism used frequently in fictional works to describe any martial art style or fighting technique that has been developed with the purpose of killing an opponent. The term satsujinken (殺人拳?, literally "murderer fist") is used interchangeably as well.

Examples in fiction

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  • Hokuto Shinken from the Fist of the North Star franchise, which is described as an "assassination art passed down from one master to a single successor" (一子相伝の暗殺拳 isshisōden no ansatsuken?).[1] The term ansatsuken has also been applied as well to other fighting styles in the series, particularly Nanto Seiken, Gento Kōken and Hokuto Ryūken (see list of fighting styles in Fist of the North Star).
  • Tenshū, Suichū, and Chishū, the three sons of Zekū in Ironfist Chinmi, are collectively known as the "Three Brothers of the Assassination Fist" (暗殺拳の三兄弟 Ansatsuken no San Kyōdai?), as each of them are proficient in their own assassination styles: Hangetsuken (半月拳?, "Half-Moon Fist"), Sentōken (旋刀拳?, "Whirling Blade Fist"), and Ryūsōken (龍爪拳?, "Dragon Fang Fist") respectively.
  • The fighting style used by Street Fighter characters Ryu and Ken, and their mutual master Gouken, is described as a "martial art rooted as an assassination art" (暗殺拳をルーツとした格闘術 ansatsuken o rūtsu toshita kakutō jutsu?).[2] Although Ansatsuken is a general term in Japanese, it has been used in the English language edition of Street Fighter: Eternal Challenge and other English-language Street Fighter media specifically as the name of Ryu and Ken's fighting style.
  • Gen from the Street Fighter series employs two assassination styles, Mourning style (暗殺拳・喪流 Ansatsuken Sō Ryū?) and Hateful style (暗殺拳・忌流 Ansatsuken Ki Ryū?) .
  • The Twin Tailed Scorpion Fist (双尾蠍拳 Sōbi Sasoriken?) used by El Gado in Final Fight Revenge.
  • The martial art practiced by Tatsuma Hiyuu in Tokyo Majin.
  • The Shadow Dragon Fist (魔竜拳 Maryūken?) in Lunar: Eternal Blue.
  • Gensatsuken (幻殺拳?, lit. "Phantom Murder Fist") used by the Mysterious Warrior in the NES version of Double Dragon II: The Revenge. In Double Dragon Advance, this style is renamed Gensetsuken (幻截拳?, lit. "Phantom Interception Fist") and its now used by a group called the Five Emperors.
  • The Japanese language edition of Avenger!, the first book in the Way of the Tiger series, is titled Tiger Ansatsuken (タイガー暗殺拳 Taigā Ansatsuken?).
  • The style used by Train Heartnet in Black Cat.
  • The character Myousai Kakouen in Ikki Tousen has been described as a "master of the assassination fist" (暗殺拳の使い手 ansatsuken no tsukaite?).
  • Soi Fon and the Second Division in Bleach


  1. Opening sequence of Hokuto no Ken (in Japanese), Episodes 23-82
  2. Script error
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