"Don't have to tell me twice-" It all comes out in one quick breath, a sharp exhale as he braces himself, and ducks into the tight cavern - one arm first, outstretched to guide his way through the narrow buttcrack of an entrance, ducking to awkwardly crouch his way through.

It's tight for a few feet, but he manages to squeeze through, and lets out a quick "All clear-!" before he notices. It's a dead end. "Uh..."