Cassandra black is harry potter other aunt that live in the magic world and is a werewolf Sirius black she has a son called loki and daughter servina what happens when one day she go to Hogwarts as the new d.a.d.a teacher and therapist when she meets Harry how will he react when he meets her again She is a amungius and more powerful than Dumbledore and voldemort combined together She is slenderman daughter also slender being Creepypasta crossover She was one of the famous marauder and also survive the killing curse as well She also a death eater She a parlsemouth