It used to be a peaceful land which Shakatu bought and granted to his dear Taphtar, but the Centaurus are occupying the place now. The angry Shakatu requested an extermination, but the excellent mobility of the Centaurus even suspended the extermination plan of the Katan army. Deep inside the plain, there's the "Burning Black Stone," sacred inheritance for the Centaurus.
The Centaurus in the area have become violent because the Burning Black Stone has been sealed and blame everyone around them, specially the Bashim. It was actually Caphras who did it.