The Desert of Milonda is the fifth supplement to Reign. The PDF files provide an overview of four of the seven cities of the Ruhini Desert, their values, culture, politics, war, and character hooks (including the dune schooner and a new drug); the Sunwise healers (including 10 spells and 2 advantages); the vision magic of the Upunzi Elders (including 11 spells and 2 advantages, and a discourse on the eating of eyes); a new martial path (the spearman squad, with 2 advantages, 2 flaws, and a new maneuver); and rules for the one-roll generation of Ruhini characters.