A tunnel? Doc averts his gaze, scratching his jaw. He picks up Raylan's hat and moves it under the table where it's less likely to get trodden on should they need to hurry out of the hole.

"Alright. Give me a minute." Shit. Breathing out a sigh, he holsters his torch and starts on the ladder.

"You see a mirror down there?" He asks, seemingly out of the blue. Chatting helps him with the descent and the dread that fills him, telling him over and over again that this is a terrible idea. The creaking of the ladder doesn't help settle his nerves at all.