It was almost too easy; we followed the tunnels like we had traveled them a thousand times before, going directly to where we were supposed to go.
(Divination +10, Geography +5)
The mineshaft had indeed broken into a much older tunnel. The dead bodies of dwarves could be seen scattered all about; the monster had killed a great number of them. We proceeded forward cautiously, but didn't have to go far before we found it. It stood an easy fifteen feet tall, had large horns in its head, and thick leathery skin all over its body. Its eyes seemed to have flames dancing in them as it approached us, ready for the kill.