Magnificent Butcher (1979)
Magnificent Butcher is a 1979 Hong Kong martial arts film directed by Yuen Woo-ping, and starring Sammo Hung, Kwan Tak-hing, Yuen Biao, Wei Pai, Lee Hoi San, Chiang Kam, Fan Mei Sheng, Fung Ging Man, Fung Hak-on and Max Lee.
More at Wikipedia.