Killer Fist) is a 1974 Japanese martial arts film produced by Toei Company, directed by Shigehiro Ozawa, and starring Sonny Chiba.

Martial artist Takuma Tsurugi meets the condemned murderer Tateki Shikenbaru while disguised as a Buddhist monk.

Gijun accidentally kills himself when Tsurugi dodges his flying kick, causing him to go out of a window, and Nachi is sold into sexual slavery through Renzo Mutaguchi.

Mutaguchi and his associates attempt to hire Tsurugi to kidnap Sarai, the daughter of a recently deceased oil tycoon.

Tsurugi immediately seeks out Sarai, who is being protected at a Seibukan dojo by her uncle, Kendō Masaoka, a Karate master.

Meanwhile, the yakuza's allies in Hong Kong, led by Kowloon Triad boss Dinsau, recruit Shikenbaru to avenge his siblings by killing Tsurugi.

When Tsurugi struggles fighting with a blind samurai working for the Hong Kong gangsters, Rakuda dies by his sword in a reckless attempt at redemption.

Nachi sacrifices herself to give her brother a free shot with a sai, but Tsurugi survives and rips out Shikenbaru's vocal cords.

[4] Inspired by the financial success Toho-Towa had from their release of Enter the Dragon, Toei Company opted to create their own Martial arts film with Chiba as the headliner.

A similarly violent scene involves Tsurugi delivering a powerful punch to an henchman's head, followed by a one-second cut to an x-ray shot of the skull being completely shattered and blood gushing from the man's entire face.

It was initially seen as a gimmick to distinguish it from other martial arts films, before it went on to influence later works, including the Mortal Kombat series of fighting games.

In 1993, the film (and its sequels) received mainstream exposure in North America when they were featured in Tony Scott's True Romance (written by Quentin Tarantino), which had the two lead characters spending time at a Sonny Chiba Street Fighter marathon.