Heroes of the East, also known as Challenge Of The Ninja, Shaolin Vs. Ninja and Shaolin Challenges Ninja is a martial arts film produced in 1978. It starred Gordon Liu and was directed by Lau Kar-Leung. Lau Kar-Leung has a cameo role as a master of Zui Quan. It’s notable for portraying Japanese martial arts alongside the more typical Kung-Fu used in most Hong Kong martial arts films.

Heroes of the East (Zhong hua zhang fu) (1978) Review
If you like seeing different martial arts styles going against each other in interesting and colorful ways. You are in for a treat.