"Deal with the Heavenly Demon King!"

After exchanging glances, both Mu Yue and Yun Tao took a sharp breath. The Heavenly Demon King of the Extraterrestrial Heavenly Demon Clan was equivalent in strength to a human Martial Saint. Moreover, due to individual differences among the Heavenly Demon Kings, there was a significant variance in their powers.

The Heavenly Demon King before them, was still not entirely annihilated despite being sealed for so many years ...