C3893 Who Is the First High Lord of the Southern Domain?

Nine Heavenly Imperial Palace was the Supreme Battlefield, and it transcended the Ancestor Realm. Outside of the nine heavens, only Saint-rank experts could enter, and it was simply impossible for cultivators below the Saint-rank to enter this place.

And this battle between Gu Fei and Old Master of Heaven Clan, would be carried out on the Nine Heavens Imperial Palace