The Profound Heaven Celestial Sect was the strongest of all the top forces in the Six Southeastern Regions. Its strength far surpassed the other top sects in the Six Southeastern Regions, and the sect's foundation was extremely stable.
In the Six Southeastern Regions, some of the top sects did not even have a Nine Palaces Celestial Duke, let alone a Ten Direction Celestial Duke. There were a few sects that had Nine Palaces Celestial Duke but no Ten Direction Celestial Duke.
