Harry saw Ron retch as he moved into a better lit part of the room, letting the light glint from every sore ridge of his jagged and ruined face. He grinned wickedly as he stepped close, to give Ron an up close and personal view of what Avada Kedavra could do. He'd taken off his shawl for just that reaction. Harry normally folded into himself whenever he saw the disgust that his scar inspired in people ... but it thrilled him now to see it flit across Ron's petrified face.