According to common sense, this kind of advancement in a plane's level should not have been so fast.
After all, a plane's transformation involved the reconstruction of the world's origin and the perfection of its rules. It was an extremely complicated process.
But Chen Fei's Void Return Realm had, in a way, broken convention a little.
Because at the core of his Void Return Realm, that Night Demon War Soldier was sitting cross-legged, using its powerful Heavenly Lord Realm strength to assist the Void Return Realm's origin will without pause, refining that Chaos Heaven Stone.
Under the Night Demon War Soldier's infusion and catalysis of Heavenly Lord power at any cost, the refining speed of the Chaos Heaven Stone had been increased by more than tenfold.
Added to that, the quality of that Chaos Heaven Stone itself was extremely high, and the Origin Power it contained was extraordinarily abundant. Only then had the Void Return Realm completed this transformation in such a short time.
Chen Fei sat cross-legged in the center of the Void Return Realm, at the source of the spirit vein where the vital energy was densest.
With a thought, a vast quantity of Dao crystals gushed out like a tide from every direction, piling up before him into a small mountain.
Dao crystals were practically the highest-grade energy crystals the Primal Continent could naturally produce. They contained extremely pure World Vital Energy, and for cultivators below the Heavenly Lord Realm, they were superb treasures for cultivation and recovery.
However, for Chen Fei, who had already stepped into the Profound Dome Heavenly Lord Realm, ordinary Dao crystals were already somewhat insufficient.
The energy required for Heavenly Lord Realm experts to cultivate and fight was even more enormous, and even purer. What they needed was Chaos Dao Crystals.
Chaos