There is Darkness in Us All

A new student named Evelyn Hartley, whose part fairy part witch, comes to the Salvatore school. She doesn't know the extent of her power, but the school seems like a place she can truly belong to. Yet, a week after arriving, Malivore returns, which brings a whole new set of problems. What does he want? And how far will he go to get it? (Starts near the beginning of season 4)