"If we're gonna do this, we need to go now." He doesn't know what happened with Max and the machine on the other side of the room, but he did feel its collision with the stairs. More rocks falling is not a good sign. "We stay in here much longer, that thing's not gonna need to kill us, it'll just bury us."

Or just straight-up trap them, which he feels like would be worse, somehow. If Max managed to get them some kind of opportunity here, they need to take it.

"We can figure out the details on the way there. Whoever knows the way, just go!"