Today you awaken a True Being to annihilate my sect, tomorrow I dare to awaken a True Monarch to suppress your spiritual lineage.
In an environment of enmity and mutual suspicion, the entire cultivation world would fall into chaos, with all order disappearing.
More than six thousand years ago, after the first period of Spirit Energy depletion, major sects had caused powerhouses hidden among the grotto heavens sacred ground to eliminate sects due to their overt and covert conflicts.
The annihilated sects also had blessed lands, but they could not save their sects.
The bottom line is that it's not easy for a cultivator from the grotto heavens sacred ground to descend to the mortal world; it requires the completion of several complex rituals.
The time spent on this is enough for the True Beings of other sects to raze the entire sect to the ground.