Complex sentence: D'Amour knocks him out with a sculpture and enters the room, where Quaid is sitting at a table with Tarot Cards on it, and he has several scalpels sticking out of him.
Split into simpler sentences: D'Amour knocks him out with a sculpture and enters the room where Quaid is. He finds him sitting at a table with Tarot Cards on it, and with several scalpels sticking out of him.