Spookies

Spookies is a 1986 American independent horror film directed by Brendan Faulkner and Thomas Doran, with additional footage directed by Eugenie Joseph. It stars Felix Ward, Dan Scott, Alec Nemser, and Maria Pechukas, and follows a group of partying adults who find an abandoned mansion and become trapped inside as a warlock tries to sacrifice the group with the intention of using their vitality to keep his wife alive.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.