Likewise, the character can recognize the styles of Dwarven, Kobold, Goblin and other types of construction. Underground Architecture: Dwarves are excellent underground architects able to build small and large rooms, ornate archways, staircases, great chambers with cathedral ceilings, as well as a labyrinth of tunnels, passageways, mazes and underground traps (most common are pit and cave-in type traps).Base Skill: 40%+5 per level of experience. The Dwarf can even tell if it's new, old, or ancient. In addition, the character can usually tell if an existing tunnel or chamber is a natural formation or whether it was dug by Kobolds, Dwarves, Goblins, Gnomes, Troglodytes or Humans.

They can also excavate ruins and the sites of cave-ins with the same prowess.

Underground Tunneling (Special): Dwarves can dig and build solid, strong tunnels (no fear of a cave-in) with amazing speed and dexterity.notes), in addition to the following special skills. Special/Natural Abilities: In addition to the dwarf's high physical attributes, they also have nightvision 90 ft (27.4 m), plus an aptitude for weapon design, mechanics, building and manufacturing which provides bonuses in many skill areas (see O.C.C. O.C.C.'s Available: Any Men at Arms, Clergy, Psionic, Earth or Fire Warlock. Alignments:Any, but Grey Dwarves and Derro tend toward evil.

Mountain dwarf vs hill dwarf