Demithor is a giant turtle-like animal on which city of Greede resides. The Free City of Greede was infact, "born" on the back of the Demithor. To get to the Demithor's head, and thus, establish a connection with it Greede's Underbelly must be completed. Amir is the only person in Greede who can control Demithor's actions. It is revealed that there is more than 1 Demithor, as another one jumped out of the water to stop Grazel's Airship from hitting Balandor.