He bobs his head to the side, because while he appreciates the circumstances (and the dry humor), he'd have ended up in his skivvies before dragging that heavy robe with him on a mission like this. The reality of course is that he wouldn't even need to do that, because he regularly keeps a few disguises on his person for regular changing to suit his needs.

"Next time, I'll lend you something sleek," he promises, moving along through the hall carefully and checking for any more signs of danger.

"Uhhh, define extra," he replies casually. Ammo was precious where he was from, and in this world, it may be even more so... it's simply too soon to tell.

"Leave the fighting to me and just stuff those oversized pockets of yours with as many medical supplies as you can."