From publisher blurb: Through the sand-buried ruins and glittering oasis, the deserts host all manner of creatures and individuals, from cinder wolves to wasteland slavers, or even the harsh desert itself. Sphere Bestiary: Desert Encounters has everything you need to build your adventures through the sands for level 1-4 characters. For Pathfinder 1st edition and the Spheres of Power and Spheres of Might systems.