What Hanliu called an "Innate Spiritual Treasure" was, in Saine's understanding, raw material that had reached the level of a World-Class Secret Treasure without undergoing any refinement whatsoever.
Treasure of this caliber... Saine had indeed never even heard of it.
What puzzled Saine somewhat was that, since those supreme materials born from the essence of heaven and earth and the spiritual aura of the cosmos were of such high grade, why had no one processed them into even higher-level treasures?
The difference in traditional perceptions between Wizard Civilization and Immortal Domain Civilization left Saine unable to understand this phenomenon for the time being.
Hanliu and the others were not professional artifact refiners of the Immortal Domain either, so they could not answer Saine's question.
He would likely have to wait until he visited the Immortal Domain himself in the future to unravel these doubts.
Because a World-Class Secret Treasure Fragment had interrupted their journey, Saine and the others spent somewhat longer at these Black Yin Civilization Ruins.
Through their subsequent exploration and analysis, Saine and the others concluded that these ruins had likely been the vehicle of some important level-4 or level-5 creature of Black Yin Civilization many years ago.
That bone-tile-shaped World-Class Secret Treasure had been the treasure of that Black Yin Civilization powerhouse.
Sadly, after the erosion of endless time, that bone tile had barely survived in fragmentary form, while the owner of those ruins had already vanished without even bones left behind.
In the end, all Saine and the others learned was that the other party's name might have been "You Zhuo."
What a strange name.
According to their research, Black Yin Civilization was also a branch of Humanoid Creatures.
Wizard Civilization had not discovered many Black Yin ruins. The ruins predominantly found in this starfield