C407
Sanqing Mountain, Empyrean Qingqing.
Hearing this name, even Ye Hao couldn't help but take a deep breath, his heart was in a turmoil, he never would have thought that the old man with the golden mark on his hand and the old man riding the green ox, was actually one of the three great Sky Sovereigns of Tongtian Tao Peak.
No wonder that old man could appear in this Training Ground