" Raphael's hand tightened on the hilt of the knife. His knuckles were white. He spoke to Magnus. " I have no soul," he said. " But I made you a promise on my mother's doorstep, and she was sacred to me." " Santiago- " Sebastian began." I was a child then. I am not now." The knife fell to the floor. Raphael turned and looked at Sebastian, his wide dark eyes very clear. " I cannot," he said. " I will not. I owe him a debt from many years ago. "