C2720 The Problem Was
The Mortal Realm could only accommodate two Spirit Guiding Stage mortals at most. This had never changed from the beginning to the end. Although there were a lot of Spirit Guiding Stage in the Mortal Realm, almost all of them came from the outside world and didn't belong to the Mortal Realm.
Therefore, the shackles of the Mortal Realm could not restrict them.
However, Faang Yang was different