It would take further hours of research, to decipher the fresco. By studying the fresco painted on the true dome of the rotunda, they learn that Chisisek’s tomb, sealed with his double hieroglyph of an owl inside a house, is said to be located “across two bridges, where the sphinxes ponder the crook, the scarab, and the sun.” A character who succeeds at a DC 15 Knowledge (geography) or Knowledge (local) check recognizes this as a reference to the area between the Crook and Scarab rivers and the Pillars of the Sun mountains—a desert region called the Parched Dunes—though the tomb’s exact location is not pinpointed.<br/><br/>The geometric shapes on the fresco are far more than just design elements; they represent a fantastic weapon of vast size used against winged cities populated with strange figures bearing weapons that launch black fire. A character who succeeds at a DC 25 Knowledge (arcana) or Knowledge (history) check can identify these cities and figures as Shory.<br/><br/>"Finally... we know where to look for the architect's tomb... to find the plans to the Sky Pharaoh's tomb, so we can return the mask," Evendiss said, sighing.