The stronghold and mine previously belonging to the Fire Giants.

Situated deep below the mountains, The Great Dungeon-Forge of Iron Slag is a place of industry and darkness. It’s caves rich in minerals and metals made this the perfect domain for the crafty Fire Giants.
Deemed inpenetrable by giants and dwarves alike it served as the optimal location for reforging Vonindod.

It took Ugress three days to fully clear it out. After ridding the mines of the giant scum, Ugress claimed the mines for themselves and lease the rights of mining to the dwarves of Citadel Adbar.