After the Clear Sky Mirror refined the Sky Phoenix Mirror fragment, it advanced to the Sixth Order level, but its potential was still not exhausted.
As Daoist Dingding's Natal Magic Tool, the Sky Phoenix Mirror's raw materials possessed innate attributes. If they could be refined in full, there would be no problem raising the Clear Sky Mirror to Sixth Order upper grade.
But this step was not something Chen Mobai could accomplish.
After all, he was only a mere Spirit Transformation cultivator. Being able to produce a Sixth Order Magic Tool was already his limit.
The Hunyuan Bell could advance because its foundation had already been laid beforehand. He had merely played the role of opening resources and providing the power of the Four Great Daos.
So next, if the Clear Sky Mirror wanted to advance again, it mainly had to rely on itself to refine them. Under these circumstances, because Chen Mobai's cultivation was a little low, he could use the dao of arrays to assist it.
The Sky Net Earth Net Great Formation was Sixth Order. By placing the Clear Sky Mirror into the Spiritual Pivot, it could be used as the core for sacrificial refinement.
This was equivalent to using the Sun and Moon Essence and mountain-and-river spiritual qi drawn in by the Sky Net Earth Net Great Formation to help the Clear Sky Mirror speed up its digestion of the Sky Phoenix Mirror fragments.
In the Zixiao Universe, this was a relatively obscure artifact-refining method, called "Array Refining."
At first, after an Artifact Refiner completed the embryo of a Natal Magic Tool, they would cast it into the core of a star that contained the Dao Rhyme of heaven and earth. This way, when the magic tool took shape, it would merge with these Dao Rhymes.