The House of Seven Corpses - 1974

There is A director filming location in a house where seven murders were perpetrated. The care taker warns them to not mess with matters they do not understand (the murders were occult related), however, the director would like to be as authentic as you can also contains his own throw reenact rituals that took place inside your home thus summoning a ghoul from the neighboring cemetery to bulge the whole film crew off one .