The spiritual resonance erupting from the spiritual essence lasted only a few breaths before vanishing completely.
Chen Fei opened his eyes. At this moment, the Rule Fragments within his divine soul were less than one fragment away from reaching the peak of the Dao Integration Realm Mid-stage.
Once the Rule Fragments reached seventy-two, Chen Fei could immediately begin breaking through to the Dao Integration Realm Late Stage.
There was no need for so-called preparation, nor did he need to wait for the right moment.
As long as the necessary conditions were met, Chen Fei could break through whenever he wished. After all, the Desolate Universe God Slaughter Art had now reached sixty percent of the Perfection Realm.
At this level of comprehension of the cultivation art, controlling two, or even three complete Subordinate Rules was more than feasible. The Dao Integration Realm Late Stage naturally posed no difficulty.
Chen Fei put the mid-grade Dao Artifact before him into his sleeve. Its contents were still Low-grade Spirit Crystals and various spiritual materials, nothing particularly special.
The Black Stone Domain was an utterly ordinary region within the Void Return Realm.
Ordinary meant that the World Vital Energy here was relatively sparse, and the Heavenly Materials and Earthly Treasures it produced were correspondingly limited.
Thus, the spiritual materials obtainable by the Dao Integration Realm cultivators of the various races in the Black Stone Domain were naturally limited to just those few kinds.
Moreover, the Black Stone Domain had remained tucked away in one corner for so many years, living in peace without invasion from outside races. To a great extent, that was because it had nothing worth plundering.
The Black Stone Domain restricted the upper limit of growth for the living beings of its races, but it also protected them.
The arrival of