[Hiro doesn't have anything to say to that; he huffs, only to have the sound echo more loudly through the tunnel than he'd meant it so everyone present can hear. Of course it's not safe, but nothing in the last few hours has been safe and he's so numb to it at this point he's stopped caring.

At least Baymax glows in the dark. Now he can see where he's going without counting steps, which means he can hustle to the side tunnel that leads to where he left Callaghan. He pauses at the corner to frown at his brother in a look that's almost a pout.]

I didn't want you involved. You could've just...I dunno, stayed home? Not charged out here like you have to do something every time I so much as trip on a shoelace?