Death's Second Chance

Betrayed by friends following the Battle of Hogwarts, Harry wishes to save his most-precious friend from oblivion: however, from out of the light of his wish, a darkness has remained in Harry and now, with a chance to make right his wrongs, he sees only one way to do it…by becoming what he fought for so long! Dark Lord/Lady Harmony; CoS onwards AU; OOC Characters;