Chen Nianzhi did not dare advance to an innate treasure within the Sky-Pillar Immortal Domain. Advancing within this Five Elements minor universe was the best choice.
After obtaining the Heavenly Dao's consent, Chen Nianzhi did not hesitate in the slightest and immediately began upgrading the Yin-Yang Void Mirror.
Refining a Taiyi immortal treasure like Firmament Ancient Gold was exceedingly difficult, but Chen Nianzhi's Pure Yang Heavenly Fire had already reached the Taiyi realm. With this universe's Heavenly Dao supporting him as well, the refinement proceeded quite smoothly.
In merely several thousand years, Chen Nianzhi had completely refined the Firmament Ancient Gold into the Yin-Yang Void Mirror.
Then Chen Nianzhi exhaled a strand of Innate Primordial Purple Qi and fused it into the Yin-Yang Void Mirror.
"Buzz—"
As the Innate Primordial Purple Qi fused into it, the Yin-Yang Void Mirror's radiance trembled faintly. The four Taiyi Dao patterns within it also quivered before gradually merging into one, transforming into an incomparably profound Taiyi Dao law.
Afterward, the Yin-Yang Void Mirror continuously absorbed the qi of the five metals and the universe's yin-yang qi. As time passed, that Taiyi Dao law continued to evolve, finally reversing into the innate realm and becoming two innate Dao patterns.
"A lower-grade innate treasure."
"And it even has two innate Dao patterns."
Looking at the successfully upgraded Yin-Yang Void Mirror, Chen Nianzhi murmured softly, delight surfacing in his eyes.
Having cultivated to this day, Chen Nianzhi had gained a clear understanding of the classifications of innate treasures.
Generally speaking, lower-grade innate treasures possessed one innate Dao pattern.
Mid-grade innate treasures were even more powerful and contained three innate Dao patterns.
Upper-grade innate treasures were more astonishing still. The Dao patterns within such treasures were incomparably profound, containing a full nine innate Dao patterns.
Generally speaking, every