The Subordinate Rules had all been cultivated properly, yet every one of them stalled at the step of condensing a Subordinate Rule into a Main Rule.
Everyone knew that breaking through to the Seventh Order Heaven Opening Realm with a Main Rule would grant greater combat strength and a brighter future, but they simply could not accomplish it.
In the end, they settled for the next best thing, cultivating four Subordinate Rules similar to Earth Water Fire Wind and breaking through to the Heaven Opening Realm by conventional means.
Then, within the Heaven Opening Realm, they sought to cultivate a Main Rule.
For a considerable period, the Devouring Yuan Clan descendants within the Devouring Yuan Space had desperately cultivated Space Subordinate Rule, all in order to escape the Devouring Yuan Space.
Yet in the end, those who managed to escape had all done so by chance when the Devouring Yuan Space fluctuated. It had nothing whatsoever to do with Space Subordinate Rule.
You Bing did not possess a cultivation method for Space Subordinate Rule [Void]. You Bing—or rather, the Gu Hu Tribe—mainly cultivated the Ancient Yuan Art.
It was a balanced and moderate cultivation art that could be cultivated to the Peak Dao Integration Realm, with a chance of breaking through to the Heaven Opening Realm.
Its power was roughly on par with the Wumeng Tribe's Nine Heavens Star Slaughter, but its requirements for aptitude were somewhat lower.
From this point alone, the Ancient Yuan Art was an exceptionally fine Dao Integration Realm cultivation art. In the future, Chen Fei could bring it out for the Human Race Dao Integration Realm cultivators to practice.
For now, Chen Fei needed to merge it first. At the right time, he would reveal the completed Ancient Yuan Art.
In any case, given the