Just then, a frog-shaped Patronus appeared in front of Madam Bones. The Patronus said in a man’s voice, "Amelia, this is Saul Croaker. When next you speak with Harry Potter, please ask him to visit the Department of Mysteries at the Ministry. I think we have a prophecy that Mr Potter should hear, and it would be best for him if the old meddler was not aware till later."