After their harrowing experience in the dark forest, the group continues on their journey. They soon arrive at the foot of a massive mountain range, where their destination lies deep within a treacherous cavern system.

As they make their way through the winding tunnels, the group is beset by a variety of dangers. They dodge boulders and avoid deadly traps, and the very walls seem to shift and move beneath their feet. Eventually, they reach a massive chamber that seems to be the heart of the cavern system.