A flame burned quietly in Fang Yuan's hand.
The flame was only the size of an infant's fist, its colors constantly cycling. If any Refinement Dao expert saw this scene, they would surely cry out in shock.
For the flame's ever-changing colors were merely an outward appearance; its very properties were entirely different as well.
For instance, when it was crimson, it was fire refinement. When it was dark white, it was light refinement. When it was icy blue, it was ice refinement...
Fang Yuan gently curled his five fingers, and the flame vanished in an instant.
Fang Yuan pondered in silence, sinking into thought.
Only after a long time did he blink and gather his overflowing thoughts.
During this recent period, he had personally refined Immortal Gu without using the Four Elements Regret Blood Refinement Pool at all. He had refined more than ten Immortal Gu, all limited to rank 6 and Rank 7. To Fang Yuan, this was not much of an achievement.
Yet throughout this process, he had gained tremendously.
His current Refinement Dao realm had already reached Supreme Grandmaster! No matter what kind of Gu refinement method it was, he could effortlessly see through all its mysteries. Every Gu formula held no secrets from Fang Yuan.
When Fang Yuan improved Gu formulas now, most could be completed in one stroke. Even when many profound Immortal Gu formulas required time to improve, that was merely time spent deducing and selecting suitable immortal materials. Fang Yuan's intuition in Refinement Dao had become so formidable that with a single glance, he could determine the direction in which an Immortal Gu formula should be improved.
Fang Yuan had tried it several times, and practice proved that the directions brought by this intuition were absolutely correct!
The same was true for