Tales From the Yawning Portal
Garon told the party of the Forge of Fury when learning they had found clues about this place in the Sunless Citadel. He gave some rudimentary idea of where it may be located, near Mirabar far to the north.
The party also found a clue on a scroll marked Khundrukar – all that it said was “.. the remaining few. By order of Durgedding the Black, we have created a secret dwarven redoubt. None shall find us; however, …”