The House of Seven Corpses (1974) Film crew reenacts real rituals and accidentally summons a spiteful spirit who doesn't stick to the script. Plus, obligatory John Carradine. TIL: Playing with the dark forces? Does nobody pay attention in Sunday School anymore?
Your daily dose of culture courtesy of The House on Skull Mountain (1974) - "Our greatest glory is not in never falling, but in rising every time we fall." - Confucius