Underwatch was a huge fortress in the East Rift erected by dwarves to guard the entrance to Underhome. The dwarves regularly sent expeditions into the Underchasm to search for threats.[1]


  1. 1.0 1.1 Bruce R. Cordell, Ed Greenwood, Chris Sims (August 2008). Forgotten Realms Campaign Guide. (Wizards of the Coast), p. 121. ISBN 978-0-7869-4924-3.