Salem has never seen, or even heard of, Atlas losing a fight. At least, not recently. Seriously, the guy is obsessed with winning at everything. This is why Salem is not surprised to find Levi a bloody mess, laying on the ground, and Atlas in the process of walking away. He appears to have almost no injuries, aside from bruised and bloody knuckles—though that's pretty typical—and it's clear that Salem and Milo only caught the tail end of the conflict.
"Fuck! We missed it!" Milo curses. Salem can't take his eyes off of Atlas' back, though. Atlas isn't limping or anything, and there's no sign of any injury. It appears as though he quite literally just beat the shit out of Levi and moved on with his day.
