The interior of the mountain. Complex maze-like tunnels and structures run through the mountain. There is no lighting except for the rooms since most Vampyres can see in the dark. Only a few of these tunnels are actualy used, and many remain unexplored, a secret to the ancients. In the tunnels there are stores, living quarters, and secret storages. As well as the base for the leaders of the vampyres. There is a tale that there is a tunnel that leads to the heart of the castle, where a powerful ancient weapon of destruction rests sound asleep. But that's just pyre lore...