Black as the Blood In Our Names

Regulus was drowning.Or At Least he thought he was until a woman of light came to him to offer a second chance. Thrown back into the world of the living, He basically plans from thin air to work around the new world he is in now. He will be helping Harry Potter go against the Dark Lord and saves Sirius from dying by Bella's Hand. Looks like Harry has perfect Ally on his side. AU