That didn't bode well, but he wasn't going to let it bother him either, because if he was worrying about Charles, he wasn't focusing on getting them both the hell out of there, and that was the more important at the moment.
He was mostly running on adrenaline and rage, but he was used to that, though he hadn't run on that combination in some time. It only took him a moment to literally tear them an exit, plumbing, electrical wiring, steel rebar and beams, all of it just gave way before him.