The bounce off of his reflection causes him to glance over in time to see the arm knocking Donnie off-balance. Ah, shit, he wasn't paying attention again, like when Leo tried to pat him on the shoulder and he hadn't whitelisted him yet --

That thought makes him a little sick, and the feeling doesn't pass, not even when he watches Donnie handle the remaining golem with mystic tech. It doesn't matter that the situation is being resolved, he wasn't being careful. Again. Again.

Of course, Accelerator being Accelerator, this feeling is coming out as anger. Absently stomping a foot, he uses the vectors to grind the remains of his golems into dust before stepping closer. "Goddamnit, what the hell was with that carelessness??"