Chen Fei, standing above Qiankun City, also saw the flickering Sky-Reaching Tree Shadow.
Some time ago, after handling Liao Shounan's matter, Chen Fei had deliberately gone to Xuanren City and sought out the Heart Anomaly Division to inquire about resentful spirit essence.
The Heart Anomaly Division had no definite answer either, but they guessed it might be related to certain actions the Ninth Order Supreme Races would take later.
These were all merely guesses built on shadows and whispers. As for what resentful spirit essence was truly used for, many Heaven Opening Realm cultivators purchasing it did not know themselves.
Perhaps they were hoarding it to sell at a higher price, or perhaps they harbored some other purpose.
At this moment, as Chen Fei looked at the Sky-Reaching Tree Shadow, resentful spirit essence immediately came to mind.
"From this day onward, all cultivators at the Heaven Opening Realm and above must enter the Sky-Reaching Tree and slay resentful spirits of the same rank before they may leave. Those who defy this order shall be killed without mercy!"
A cold voice spread throughout the entire Xuanling Domain alongside the tremors of the rules.
It was not only the Xuanling Domain. At this moment, every great domain possessing a Sky-Reaching Tree had received a similar command.
Within the Xuanling Domain, the expressions of all Heaven Opening Realm cultivators changed slightly upon hearing this. Only those Heaven Opening Realm cultivators holding resentful spirit essence were beaming with delight.
Chen Fei's brow furrowed slightly. He had just thought of resentful spirit essence, only to find that it truly was to be used on this Sky-Reaching Tree.
This Sky-Reaching Tree was not only planted in the material realm, but had also reached deep into the Heart Anomaly Realm? Otherwise, how could cultivators above the Heaven