Using a strange key you found in a mortuary to open a strange door in a tunnel under a crypt is always a good idea.
Mortuary (2005) Directed by Tobe Hooper, starring Dan Byrd, Alexandra Adi, and Denise Crosby.
Screen Shots, animated gifs, reviews and sound clips from films, specializing in the weird, noir, cult, camp, horror and obscure, from the beginning of film to just yesterday.
(And occasional Minecraft posts.)
This is me, watching from the back row.