¡°Yes,¡± he said, straightening up, ¡°Black must have found a way to fight them. I wouldn't have believed it possible¡Dementors are supposed to drain a wizard of his powers if he is left with them too long¡¡±
¡°But if you transform, Peter,¡± growled Black, his own wand pointing at Pettigrew too, ¡°we will kill you. You agree, Harry?¡±
Snap picked up the Zonko's bag.