Primeval Ruins is one of the city biomes of the Azurite Mine. It is a relatively rare biome. As indicated by the golden borders around the biome, it has a chance of containing valuable rewards and boss fights.
This biome can contain any of the following nodes.
Biome Specific Nodes:
(Actually, a room full of chests, as well as monsters)
|The Crystal King's Throne
(Actually, Aul, the Crystal King)