d a Calamity like the Black Scourge, I have quelled two disasters of a similar magnitude."Jun Xiaoyao said casually.The Ultimate Calamity and Dark Turmoil should be no less severe than the Annihilatio...y..."Fang Heng nodded and said, "That's right, it is one of the Thirteen Hidden Treasures, the Huangquan Secret Vault.""Belongs to the former ruler of Jiuquan, the Emperor Huangquan.""Secrets of the N...