Chen Fei was above Qiankun City, and likewise saw the phantom of the Reaching Heaven Tree flicker.
Some time ago, after Chen Fei had dealt with Liao Shounan's matter, he had made a special trip to Xuanren City and found the Mind Wraith Division to ask about the Grievance Spirit Essence.
The Mind Wraith Division had no definite answer either, but guessed that it might have something to do with certain actions the Ninth-Order Supreme races would take afterward.
These were all guesses like trying to catch wind and shadows. As for what the Grievance Spirit Essence was actually used for, many Sky Opening Realm cultivators who bought it did not know themselves.
Perhaps they were waiting to sell at a good price, or perhaps they had some other purpose in mind.
At this moment, as Chen Fei looked at that phantom of the Reaching Heaven Tree, the matter of the Grievance Spirit Essence immediately came to mind.
"From this day forth, all cultivators above the Sky Opening Realm are to enter the Reaching Heaven Tree. Only after slaying a grievance spirit of the same order may they leave. Those who disobey shall be killed without mercy!"
The cold voice spread across the entire Profound Spirit Domain along with the trembling of the rules.
It was not only so in the Profound Spirit Domain. At this moment, in every great domain where a Reaching Heaven Tree existed, all cultivators received similar orders.
Within the Profound Spirit Domain, the expressions of all cultivators above the Sky Opening Realm changed slightly when they heard this. Only those Sky Opening Realm cultivators who held Grievance Spirit Essence beamed with joy.
Chen Fei's brows furrowed slightly. He had only just thought of the Grievance Spirit Essence, and unexpectedly, it really was being used on