The reason was simple: Chen Fei had not only mastered the Law of Space, but also had the Power Rule and Karma Rule within his physique.
The Space Rule was all about penetration to begin with. Of course, the Space Rule alone could not break through the Heaven Realm Jade, but when space, power, and karma worked together, that was an entirely different matter.
In truth, even if Gong Jingxiu broke through to the Late-Stage Sky Opening Realm, Chen Fei was still confident he could keep him here completely.
But right now, they were in the midst of a war that involved the entire Profound Spirit Domain, with even eighth-rank powerhouses taking part. Once Gong Jingxiu broke through, it would add more variables.
Chen Fei had no need to make things harder for himself. If he could kill Gong Jingxiu as quickly as possible, then he would kill him as quickly as possible.
Chen Fei slowly raised the Qian Yuan Sword. The space within a thousand miles condensed into it, the powers of Earth, Water, Fire, Wind evolving the profound mysteries of sky-opening within. Suppressing Heavens began to tremble, while the Power Rule and Karma Rule made the edge of the Qian Yuan Sword grow ever deeper and more unfathomable.
Gong Jingxiu was breaking through to the Late-Stage Sky Opening Realm with all his might when a sudden burst of dread rose within his divine soul, making him involuntarily open his eyes and look toward Chen Fei ahead, as well as the Qian Yuan Sword in Chen Fei's hand.
Gong Jingxiu's eyes were filled with incomprehension. The Heaven Realm Jade had been refined by a Creation Realm powerhouse. Even if Gong Jingxiu's cultivation realm was not enough to display its full power, blocking a cultivator below the eighth rank for