 Enslaving the Cha'asii elves, the yaggol ruled over the continent with a nightmarish will but this all came to end when the cha'asii learned how to defeat the mind powers of the yaggol.A great war was fought, and the empire crumbled as both sides nearly wiped each other out.All that remained of this once aberrant race were seven obsidian temples in The Valley of Akh-Tazi.