18 Weapons of Kung Fu (1980)

You've seen the Snake Fist... and the Needles of Death. In the Hands of the Dragon 18 are Death!

Li Tai must endure terrible hardship under his sadistic Kung-fu master in order to perfect his fighting technique. The ambitious young man finally has a chance to prove himself when his old master meets his match and Li has to use the eighteen secrets of kung fu to fight the challenger.