Found shortly after Quelaag's Domain. The Demon Ruins lead to Lost Izalith; however, Lost Izalith cannot be accessed until the player has retrieved the Lordvessel from Anor Londo and placed it in the Firelink Altar.
On arrival, most of the area is flooded with lava until the Ceaseless Discharge is slain.
- Just beyond Quelaag's Domain, surrounded by Egg Burdened.
- Below the group of Capra Demons, next to a Burrowing Rockworm.
- After the Demon Firesage boss fight and before the Centipede Demon boss battle.
- Gold-Hemmed Black Set (corpse)