He walks silently and not creeping along slowly, holding his breath, either. That always seems to him to make more noise - or at least ping people's senses that there's someone about, trying to be quiet. Instead he walks with simple care, breathing through his mouth to control it and make it silent, eyes and ears alert.

He waits for a while at the entrance to the opening, eyes roaming across it. He sees no one and it's quiet, but not lit - and there could be anyone hiding behind the crates if they heard them coming. He gestures to Mary Anne that she should check one side of the cavern while he'll check the other, then moves to his left without waiting for a response.