According to the ancient texts, the Heaven Earth Xuan Huang grading system applied to every cultivation system.
Of course, some places had their own classifications. The divine being system generally called Heaven Tier Precious Tools divine artifacts, while cultivators called them immortal artifacts.
The Heaven Earth Xuan Huang classification had spread from the Central Area of the Boundless Realm. It was an ancient convention. These days, some places used it and others did not, but everyone understood what it meant.
The Boundless Realm stretched without end, yet it had a Central Area.
Legend had it that a Chaos Pool had once existed there, the place where the Boundless Realm originated. Although the pool had dried up for unknown reasons, the location was still universally recognized as the realm's center, and its cardinal directions were defined in relation to that point.
"Shopkeeper Mingyun, be sure to let me know if you hear about any high-level trading conventions!"
Chen Lin walked out of a shop, disappointment written all over his face.
This was the last reasonably large precious tool shop in the city, and he still had not found what he needed.
He no longer felt like browsing the smaller shops.
Given his strength and cultivation, only an Earth Tier Precious Tool would suffice, preferably top grade or peak grade. Such treasures generally did not appear in shops, or even at small trading conventions. They only appeared at large auctions.
Their prices were inevitably exorbitant, too.
From what Chen Lin had learned, even the cheapest Earth Tier Precious Tool would probably cost a thousand taels of crystal sand, while the best could cost tens of thousands, or even a hundred thousand.
That was because Earth Tier Precious Tools covered the widest range of power, spanning the equivalent of Spirit Transformation through the