7 Commandments of Kung Fu (1979)

Directors: Ker Shih Hao.
Cast: Lee Yi Min, Chang Yi, Lung Fei, Chin Kuo Chung, Ma Chin Ku.

An Assassin adopts a new disciple from an old Kung Fu master.
He teaches him the mantis kung fu in the hope that his new protégé will continue his killing for him. Awesome action follows!