Fang Yuan held the Heavenly Envy Immortal Gu in his hand.
As Rank 8 White Lychee Immortal Essence continuously poured into it, the Heavenly Envy Immortal Gu emitted a faint, crystal-like radiance.
This Immortal Gu itself resembled a crystal flea, fist-sized and perpetually curled into a ball.
Suddenly, the crystalline glow around the Heavenly Envy Immortal Gu exploded, transforming into countless tiny fragments of sparkling light. It was incomparably dazzling!
"Success!" Fang Yuan's heart trembled slightly. In that instant just now, this rank seven Heavenly Envy Immortal Gu had been completely refined by him.
The crystal flea that had originally curled into a ball now fully stretched out its body, lying meekly in Fang Yuan's palm.
"I am probably the first person in all of history to completely refine the Heavenly Envy Immortal Gu."
At this moment, Fang Yuan had made history!
However, in the blink of an eye, the joy in his heart calmed.
He had already made history many times.
"Recently, I have repeatedly made a move, helping the Gu Immortals under my command undergo tribulations and ascend to immortality. Although I gained few Heavenly Dao Marks from each tribulation, small streams make great rivers."
"These Heavenly Dao Marks upon me have finally allowed me to completely refine the Heavenly Envy Immortal Gu, breaking past my previous limit."
"My earlier conjecture was indeed correct!"
The facts before his eyes had proven it: as long as one possessed enough Self-Sufficient Heavenly Marks, one could refine Heavenly Dao Immortal Gu.
Looking across the river of history, there had been countless Gu cultivators, with elites as numerous as stars filling the skies, and the ten venerables like ten great suns. Yet none among them had truly cultivated Heavenly Dao.
Although Wu Ji Demon Venerable and Paradise Immortal Venerable had grasped the