His expression looks wrong. Everything about him is wrong. Kankri tries to get back up while still facing him and trips again.

"Please," he says, "just leave me alone. I don't want to hurt anyone, or be hurt, or any of that."

Kankri knows it's unlikely that Kevin will listen, of course. He knows it's unlikely anyone would. But it's still the first thing he can think of to do in this moment, is try to talk it out. He swings out the crowbar a couple times in a warding-off gesture, but the movement is weak and clumsy, and he's obviously not used to it.