Some scientists wonder whether clays presented surfaces that helped with biogenesis on earth. The injured world of Athas is covered with silt. Some explorers report a realm of crystals near the Positive Plane, and a realm of frost near the Negative Plane. Caustic to organic matter. Corrosive chemicals that erode metal.
Ooze hardens and encases living things.
Oasis of Filth. Full of disease. Drinking foul liquids. Ooze Ministers Ooze ministers care for animals and farmers. They get a free proficiency in agriculture.