From the cosmopolitan capital of Sothis, Throne of the Ruby Prince, to thetimeless ruins of the deep desert, adventurers brave accursed tombs and risk thewrath of forgotten mummies in this mysterious land of pyramids and pharaohs.Learn about every corner of Osirion, the backdrop of the excitingMummy’s Mask Adventure Path, including dangers of the desert,mysteries of the richest ruins, deadly new creatures, and everything you need torun a campaign in this exotic realm.

Visual artist(s): Shane White, Laura Allred