Emerald Blood

It wasn't Voldemort that Harry and Draco ran into in the Forest; it was something else and now, as a result, Harry has lost more than even he could afford. However, with the help of the unlikeliest of allies, maybe he can learn to embrace it. Darkish Powerful Vampire Harry; HP/DM; LM/NM; SS/RL; PS onwards AU; OOC Characters;