"Oh..." Advantages to having spent time up in a tree. Regis takes the hint after only a split second of muscle memory suggesting that he should be the one at the front, covering his eyes and waiting a moment before adding more observation.

"There may have been something that I spotted on one of the higher levels, through partly collapsed walls, that looked like gear. Might be a place to start." He peers up and down the corridor they're walking, before huffing at the darkness. "I think there may be stairs that way."