The Underdark is a network of subterranean caverns, known to span across an entier continent. The term is used for the Forgotten Realms setting, with the concept arising in Greyhawk.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.