Despite all logic and instincts telling you otherwise you get on your stomach and begin crawling through the tunnel. It was a tight fit and you barely had enough room to breathe, much less move, if you were to go to a dead end, the chance of climbing back out would be low. It smelled of moss and damp stone within the tunnel reminding you of the precarious situation you had put yourself in.
Soon as you crawled deeper into the tunnel light from outside faded leaving you in complete darkness, all you could do was keep moving forward and hope that you would be able to survive. Protruding stones scraped at your naked skin, new cuts forming every time you move.
Paranioa and Panic quickly set in threatening to consume you. Only by sheer willpower were you able to keep going.
LYou were worried about oxygen in the tunnel, hopefully you won't die of suffocation, though that was the least of your worries now.
Surprisingly as you moved forward your hands felt what seemed to be mushrooms in the cramped tunnel. They started appearing more and more as you progressed through the tunnel.
You weren't quite sure how they could survive deep here, with no light or food, but you supposed that life could live anywhere, if anything you were thankful for them. The mushrooms helped cushion your body, preventing scratches from the stone to dissipate slightly.
Then... after what seemed like days, you made it to the end of the tunnel. There you find a...