Li Yuan's heart shook as he listened.
First tier? Saint Dao potential? Core zone? What kind of place was this?
In that instant, combining his past experiences with the vast amount of intelligence he knew, countless thoughts flashed through Li Yuan's mind.
"Not having used secret treasures is easy enough to understand. It should refer to Eternal Secret Treasures, Supreme Being Talisman Treasures, and the like," Li Yuan thought. "But what does Limit-Breaking Weapon mean? A High-grade Emperor Weapon, or a Top-tier Emperor Weapon?"
As for terms like first tier and Saint Dao potential, they gave Li Yuan an initial guess.
The Starry Sky God Emperor and his master's speculation had been right. This place should be a ruin similar to True Saint Valley, inclined toward inheritance and guidance.
"But it seems this place is even more high-end than True Saint Valley. Its probing methods against different cultivators can easily reach the peak Emperor Realm level," Li Yuan thought. "And even a low-rank Quasi-Saint like me has to erupt with peak Emperor Realm strength just to qualify for the core zone?"
In what the Starry Sky God Emperor and his master Juexing had described, there had been no mention of any core zone.
What did that mean?
The two of them had never come into contact with it at all.
"Could it be that only the very top geniuses in the history of the cosmos are qualified to come into contact with this so-called core zone?" Li Yuan found it somewhat hard to believe.
That difficulty was far too high.
After all, a low-rank Quasi-Saint erupting with peak Emperor Realm strength might not even appear once in ten billion years throughout the history of the cosmos. How rare was that?
At the very least, in the present age, Li Yuan