Written for prompt: "Arthur/Merlin AU, Arthur is the male Paris Hilton, living in one of his father's hotels, he and his friends tease Merlin, one of the hotel cleaners, mercilessly ...that is until Arthur's forced somehow to spend time with Merlin."

Implied Arthur/Merlin, implied Gwen/Morgana. "This time, Merlin remembers too late." Through all times, a man sits in a cave and watches. Uses one idea from traditional Arthurian stories.