The Killing of Satan
An ex-con tries to rebuild his life on an island inhabited by evil.
Starring Ramon Revilla Sr., Elizabeth Oropesa, George Estregan, Paquito Diaz, Cecille Castillo, Charlie Davao
Watch "The Killing of Satan" on Tubi TV released in 1983. It's a action & adventure and fantasy movie, and has a rating of 4.7 out of 10 from Imdb which is fairly low for this kind of movie, and is currently available to watch for free.