Cibul is the capital city of the Saaur Empire of the Grass on Shila.
In the serpentwar shila is invaded by Demons and the empire of the grass falls. Shila becomes a lifeless planet. Cibul is also where the rift to midkemia is at the time of the serpentwar. Pug and Miranda destroy it. The Shangri move the rift the demons used to get to shila to Cibul so the demon king can come through into midkemia.