Harry himself was not unaffected by their sudden violent separation; he was forced back a step until all of his weight was on his injured leg. It gave way almost instantaneously, and Harry crumpled like a stack of cards caught by the wind - his head hit a stone step, dazing him. He realised quickly though, that that was the least of his troubles; the knife that had been at his neck must have caught him when Crouch was blasted away from him. More hot blood was spilling down his front - oh, this was bad.  