Invincible armor was released in theaters on June 29 1977 directed by legendary Ng see yeun

He thought he could beat the old Kung Fu Master at first but got beat down almost killed until he figured out what he had to do to defeat him The Emperor's Minister of State Cheng, an authoritarian ruler, arranges for Hu Lung, one of his old students to distract General Chow while he assassinates the leader of the Ming rebels. Chow hunts for Hu Lung, but must avoid the authorities since he is a suspect in the murder. He eventually finds Hu Lung's, but is thwarted by Hu Lung's teacher and Minister Cheng's hired enforcer, Shen Yu. Shen Yu is hunting for Chow in order to arrest him.