Shadow of the Blackened Heart

Walburga lost everything because of two men: Lord Voldemort and Albus Dumbledore. But she was not the only one to suffer. Allied with powerful wizarding families, she adopts Harry Potter for her own purposes. Raised with knowledge of who he is and what he can be capable of, Harry enters the halls of Durmstrang Institute with an unquenchable ambition: To be the greatest Dark Wizard