Syntax: Automatic inherent ability
With their affinity for mining and building enormous underground cities,
dwarves have an acute sense of the land around them. This allows them to
notice secret passages that other eyes would normally miss, as long as they
are within terrain similar to their mountainous city homes.
An identified secret passage will show up on the exits:
[Exits: north south {down}]
See also: DWARF, INHERENT