Puck watches that too, though he has stepped back.

Tending to his wounds is perfectly natural; any mortal man might do it. It doesn't even occur to Puck that there are medics in the bar who could take care of it for him if he wanted. There is nothing, sad to say, particularly threatening in it-- save the fact of the blood itself.

The wound does not seem very bad, but all the same, in a pinch Puck decides he might do well to go for the shoulder. Mortals break very easily.