When The Demigods Came To Hogwarts

The Seven of the Prophecy are enjoying life as normal demigod teenagers. When Chiron announces wizards are real, they are immediately whisked to the school of said wizards - Hogwarts. But, soon after, a dark, mysterious force starts rising up against them, making themselves known through ominous dreams and prophecies. The demigods just can't seem to catch a break, can they? AU