Hills Cantons Cosmology gives the creation story of the world of Zěm, as well as the distinction between the human lands (where magic does not exist) and the Weird (where magic does), and how alignment works. But the majority of this short document details various religions, including several sects of the monotheistic Solarity faith, goddess worship, worship of an Antagonist (in the Satan sense), a pagan faith (of the "Old Gods"), animal worship, and various forgotten gods.