The Yule Ball, a traditional part of the Triwizard Tournament, was a good time for Cedric Diggory. He asked Cho Chang to the ball, and she agreed. Meanwhile, toward the end of the ball, Cedric told Harry Potter to take the egg into the bath and ?mull things over in the hot water.? He gave Harry access to the Prefect?s Bathroom to work out the clue. Get the Harry Potter Cedric Diggory Yule Ball POP! Vinyl Figure, available here.