Damian looks a little delighted about this. It's good, of course, that Kain hadn't smacked into solid wall, or fried, or anything like that, although Damian had been reasonably certain none of that would happen. He's mostly pleased for the chance to surprise an assassin cross. Those don't really come along that often.

"Blue means it's accessible," he says brightly, stepping through after him. "But I wouldn't recommend trying that on any red or yellow doors you see."

And with his little lesson given, he starts forward, headed for... for what he hopes will be an elevator. He'd watched a few clips explaining elevators, though, and what else could that wide, blue-lit door be at the end of the hallway they're in? Either way, he expects Kain to follow.