Beneath the world lies the Underdarka twisting maze of tunnels and ancient caverns, full of hidden threats and lost treasures. Torchlight fades, danger lurks, and every step could be your last.

Contents:
14 x Single floor
4 x U-wall
8 x Curved wall
4 x Single wall
4 x Short wall
11 x Corner
14 x Ledge
8 x Ledge Inner Corner
1 x Bridge (25 pieces)
1 x Drow Ruin (28 pieces)
1 x Assembly Manual