Damian looks at the fist, up at Loki, and then back down, before curling his own hand into a fist and lightly (well, light for him) bumping it, a genuine grin trying to break out of his serious expression.

"I do what I can. Can't let our enemies think the no killing rule includes no hospitalizations. Keeps them on their toes."

And Damian just really, really enjoys violence. And property damage. It's a good night when he gets to wreak havoc and break kneecaps.

He is perfectly at home with morally gray.