"She knew of the prophecy, all branches of the Knights did," said Harry. "So if I had survived Riddle, again, it must mean I was destined to win ... somehow, even if not then. Remember, at that point we had no idea how it was going to happen. It was quite an act of faith. She did her part, delivered my body to the Knights, then she took up her dual role again before anyone knew what had happened. She saved my life, Hermione."