Death Reincarnate

Harry is Death. If being born the younger albino twin to the future Boy-Who-Lived wasn't enough, Harry has undergone "experiments" by the crazed Headmaster of Hogwarts for years, resulting in a split personality that Dumbledore code names "Death." Is this immense power his own, or is it the work of something else entirely? WBWL with a twist. Part of the "Sokoverse"