Help find the titel of this classic kung fu movie

[Wolffi]

A guy who sells fish is teased by some badguys

A little boy helps him and learn him some kung fu moves. Then he meets the kids Uncle

(the old gray-haired old man in

Drunken Master i think). He trains up the fish guy so he becomes very good in kung fu. The film ends with the boy and

uncle gets murded by the badguys boss he has long black hair. The fishing guy avengens their deaths. In the final battle, he laying on the floor and struggles with arms and legs. He even drinks the blod from the boss he killed. What is the title of this movie?

[shapes]

The thundering mantis

[Wolffi]

Thanks alot you are my hero

I have search for this movie for years.

MANY THANKS

[Morgoth Bauglir]

Be sure to check out Sleeping Fist too. Pretty much the same cast, and it's better movie with better fight choreography, except that Thundering Mantis has the better final fight. Way better.

[Wolffi]

I know

I bought that movie and that was the wrong one