He had comprehended twenty Rule Fragments for Earth's third Subordinate Rule.
If Chen Fei never lacked Mid-grade Spirit Crystals, then at his current pace, he could probably finish condensing Earth's Main Rule in three or four years.
By then, the Lanyu Divine Art would surely have reached the Great Perfection Realm, and the bottleneck of the Mid Heaven Opening Realm would be something Chen Fei could shatter with a flip of his hand.
With such cultivation speed, no one would believe Chen Fei was not a Reincarnation of a Great Power.
Another ten days passed in the blink of an eye. Inside the cabin, two distinct waves of rule resonance rose and trembled in succession.
Chen Fei opened his eyes from cultivation and watched as the Qian Yuan Sword and Hidden Origin Bell blossomed with dazzling light. The power within their bodies was undergoing a violent transformation, leaping toward a higher level.
For weapons, transforming from Dao Artifacts into Heaven Opening Profound Treasures was a matter of advance or retreat.
Once they failed, the lightest consequence would be falling to mid-grade Dao Artifacts, with almost no possibility of restoration.
More severe still, they would shatter completely.
After all, Heaven Opening Profound Treasures contained Heaven Opening power. If the weapons themselves could not control it, they would naturally blow themselves to pieces.
To raise the Qian Yuan Sword and Hidden Origin Bell to a new level, Chen Fei had already used two Low-grade Heaven Opening Mysterious Treasures to let them absorb their origins.
It was precisely because they had absorbed the origins of those two Heaven Opening Profound Treasures that the Qian Yuan Sword and Hidden Origin Bell now possessed enough power to break through.
The rule resonance in the surrounding space alternated between slowing and quickening. Whenever the resonance weakened