supernatural possession

His masterpiece 'The Exorcist' remains the definitive cinematic exploration of demonic possession, combining psychological terror with spiritual horror.

He repeatedly explores possession through a visceral, body-horror lens in films like 'Audition' and 'Visitor Q', blending supernatural and psychological possession.

His film 'Van Gogh' and particularly his exploration of mental dissolution in 'Loulou' examines possession as psychological invasion and loss of self.