Deserted Cellar can appear in the Black Canyon Mines at two spawn points, one is to the west of zone waypoint and another one is to the north.
Western will contain one of the following:
- a bug infested tileset with Egg Sacs and insect monsters and a chest;
- a unique Rockworm, Graveljaw the Devourer, that opens a passageway to Tunnels of the Rockworm when slain;
Inside the northern one you can find:
- a unique Deranged Cultist, Hurax;
- a merchant Larra, who can provide Larra's Diary after talking with her.
- Dead Iron Wolf
- Egg Sac