Ruins of Ashabat

From publisher blurb: Adventure Framework 28 Ruins of Ashabat consists of: A downloadable, bookmarked PDF (8 A4 pages, excluding cover & credits, in both parchment and white backgrounds). The Core Adventure (the Cerulean Stone, a magical gem, lies hidden in the ruins of a mountain city. Unfortunately for the PCs, Ashabat is not abandoned but occupied by three competing monstours factions: Skorn, Urgot and Ogres), that will occupy 3-8 hours of session time with Minimal Prep. Rumours & Hooks suggestions.