For the Zhou Tian Boundary Officer, the Xuanteng Realm was a rather special world.
This world wasn't part of the jurisdiction of the Zhou Tian star maps, and the guiding information wasn't obtained through the usual two methods. Instead, the "Heavenly Prison" Star Officer happened to come across it while traveling through the star gates across countless worlds.
Although the Zhou Tian Boundary Officer claimed to be able to descend upon all the worlds under the heavens, in reality, arriving at any world required explicit guiding information.
This guiding information was like a lighthouse in the vast ocean, directing the way. Without it, even if one could open the star gates, there would be no path to follow, let alone talk about descending upon the worlds under the heavens.
The Zhou Tian Boundary Officer had three sources of guiding information.