"Rank 9 Ascend Refining Gu..." Fang Yuan examined it closely and found that its appearance was not much different from when it had been Rank 8.
However, it had in fact undergone a qualitative change!
This was Fang Yuan's second Rank 9 Immortal Gu, and the help it would bring him would be immense.
The Four Elements Regret Blood Refinement Pool would also rise to become a Rank 9 Immortal Gu House because of this.
A Rank 9 Immortal Gu House!
Even throughout human history, Immortal Gu Houses of this kind could be counted on one hand.
Heavenly Court's Sky Watching Tower had been the most famous one. Unfortunately, with the destruction of Rank 9 Fate Gu, it was no longer among them.
"Once I finish improving it, the Rank 9 Ascend Refining Gu can be installed back into the Four Elements Regret Blood Refinement Pool, causing this Immortal Gu House to undergo a qualitative change as well. If there were a ranking of Immortal Gu Houses, it would certainly take first place."
Fang Yuan assessed this inwardly.
Previously, the Four Elements Regret Blood Refinement Pool might have been evenly matched with Divine Emperor City, but once it truly became Rank 9, it would surely suppress Divine Emperor City by a clear margin.
After all, Divine Emperor City did not contain any Rank 9 Immortal Gu.
Of course, Fang Yuan still needed to improve the previous Four Elements Regret Blood Refinement Pool so that it could match the Rank 9 Ascend Refining Immortal Gu.
Fang Yuan was a Refinement Dao Venerable, a Refinement Dao Supreme Grandmaster. Improving something like this was not difficult for him.
Fang Yuan temporarily set aside the Ascend Refining Immortal Gu and inspected himself.
Sure enough, just as he had expected, because he possessed a second