In Deepest Oerth

A Three-Round Special Event for Living Greyhawk From the introduction: A short time ago, a group of daring adventurers, hired by the church of Rao in Innspa, managed to salvage an ancient tome dedicated to the faith of Nerull. The book not only details complicated rituals, but also describes star constellations and specifies places in the Adri that are strongly imbued with magic.