The Unity: The First Death

A mysterious prophecy has befallen three girls. They are the one who will make, break and rebuild the house of Slytherin. They are The Mother, The Darkness and the Redeemer. Kaylan's a Ravenclaw who's been placed in Slytherin. She must discover secrets about herself, and others to redeem the house of Slytherin before it is too late. But can she cope with the responsibilities of being the third full Banshee in her family, or will she be taken over by the Darkness?

AU, CoS. Kaylan's finally going to Hogwarts, but will she actually be able to get out of bed on the day? And with an invisible snake on the loose in the train, hell-bent on getting revenge, things can only get worse!