Perhaps not as familiar as Crowley is with Aziraphale, though. He's sat pressed close into Aziraphale's side, one hand braced on the bedding behind him as he watches Lord John roll up his sleeve.

"Right, the ball," he says absently, studying the bandage. "You got that from one of those things, yeah?"

The things that the strange folk here, his weird roommate among them, claim are demons that come from a tree. Would that make the wound demonic, he wonders? What sort of weapon did the demon use? Claws? Blade? Is it even worth considering, when everything else about the situation is so unfamiliar to him? Is the comparison worth while, or just going to confuse matters more?