Fang Yuan suppressed his excitement.
The quality of the immortal material in his hand was so high that even in his previous life, he had never obtained anything like it.
This was a quasi Rank 9 immortal Gu refinement material. Its Dao marks were so numerous that it gave off a radiant glow visible to the naked eye.
Although Fang Yuan was not a refinement path grandmaster, he understood one thing: immortal materials could be refined into Immortal Gu because they themselves contained abundant Dao marks.
Man is the Spirit of All Things; Gu are the Heaven and Earth True Essence.
Gu were vessels of the Great Dao. Why did they possess such power? Because the tiny Gu worms contained even more Dao marks.
Dao marks were traces of the Heaven and Earth Great Dao. It was precisely because of this that activating Gu worms could produce all manner of wondrous effects.
The more Dao marks a Gu worm possessed, the higher its rank, and the more wondrous and vast its power.
Refining an Immortal Gu meant extracting the necessary portions of Dao marks from countless mortal Gu and immortal materials, then gathering them in one place.
The immortal material in Fang Yuan's hand contained an enormous number of Dao marks. In theory, it was enough to refine a Rank 8 Immortal Gu!
Even taking only one corner of it, or a small fragment, would be enough to refine a Rank 6 Immortal Gu.
The Dao marks on a Rank 8 Immortal Gu were tens of thousands of times those on a Rank 6 Immortal Gu.
"Of course, this suspected striped tiger bee wing mainly contains metal path Dao marks. If I wanted to refine a metal path Immortal Gu, it would be highly useful. Unfortunately, it offers little help