Cassandra's Gift

Years after Harry ended the war and landed himself a position on Hogwarts' staff, he is attacked by one Lucius Malfoy. The magic backlash causes Harry to go somersaulting into a dimension 70 years in the past before Dumbledore ever defeated Grindelwald. Now Harry has to face juggling Hogwarts students, another Dark Lord, a new prophecy and a flirty Transfiguration Professor. HP/AD