Jamie's coughing periodically as well, although it's easing as they get further away from the gas and he can breathe in some fresher air.

"I just hope we can wake up. I thought I would when the gas knocked my out, but..." He shrugs, looking frustrated.

He also hopes the chamber's still intact, but he doesn't say that out loud. Maybe if he doesn't, nothing bad will happen.

"Is it much further?" he asks, instead.