Invincible Obsessed Fighter (1983)

Elton Chong stars as a martial arts whiz-kid named Chuck, who after being taught by Master Leon Chan, becomes an expert in the Shaolin "13 Styles" and all forms of swordplay. On a secret mission for General Ching, Chan escorts a treasure to a section of the YangTze River where a flood has ravaged the area. In his way is Eagle, who inflicts a fatal wound to Chan. Now it is up to Chuck to save the day and exact revenge for his master. Mad trad kung fu all the way!