C578
He was afraid of Xiao Tian!
Therefore, the Celestial Emperor had decided. After Xi Yao sent Xiao Tian and the others out of the Divine Realm, he would seal the passageway from the Divine Realm to the outside world, activate the restriction that Fuxi left behind, and completely seal the Divine Realm!
He didn't believe that no matter how strong Xiao Tian was