Region: Thaleia. Dungeon. Level 44 (S2). The Corroios Fort Ruins can be found in Thaleia. Head to the western route to find the ruins just above Liza Hold.
Ore Info: Smithing Stone, Black-Sand Steel, Sunstone
Ore Info: Smithing Stone, Black-Sand Steel, Sunstone, Warrior's Soulstone
Smithing Stone, Black-Sand Steel, Sunstone, Warrior's Soulstone
Large Bullion, Talisman, Horsekiller Bow+2
Also on: Theodora's path, Dietrich's path, Leda's path