When Mu Zi was at the Reincarnation Stage, the Heavenly Net Umbrella had already advanced to the Great Thousand World's "Saint Artifact" level after her strengthening. Now that she had broken through to the Returning Origin Realm and her Dao Cultivation had advanced tremendously, she intended to upgrade the Heavenly Net Umbrella once more.
The artifacts of the Great Thousand World, from lowest to highest, were Spirit Artifacts, Divine Artifacts, Saint Artifacts, and Peerless Saint Artifacts.
These four great grades of treasures roughly corresponded to those below Sovereign, the Sovereign Realm, Earthly Sovereigns, and Heavenly Sovereigns.
This was only a rough correspondence. In truth, powerful artifacts were extremely precious, and the vast majority of experts in the Great Thousand World were unable to possess treasures that matched their own realms.
For example, many Earthly Sovereigns used nothing more than ultimate-grade Divine Artifacts. True Saint Artifacts were things one could only encounter by chance, not seek out, and Heavenly Sovereigns who possessed Peerless Saint Artifacts were as rare as phoenix feathers and qilin horns, basically all hailing from top-tier forces.
The path of artifacts was also highly flourishing on the Tianxuan Continent. Pure Yuan Spiritual Treasures and below were roughly equivalent to the Great Thousand World's Spirit Artifacts, while the divine objects on the Ancient Divine Object Ranking and a small number of top Pure Yuan Treasures had reached the level of Great Thousand Divine Artifacts.
The Nine Great Divine Objects that came from Symbol Ancestor's hand had surpassed ultimate-grade Divine Artifacts and were comparable to Quasi-Saint Artifacts. Moreover, because of certain special traits, they stood at the very pinnacle even among Quasi-Saint Artifacts.
Mu Zi was likewise extremely proficient in the path of artifact refinement, almost no weaker than her talent in cultivation. Refining spiritual treasures above her level was