"Taiyi Tungsten Crystal? Why haven't I heard of it before? What is it used for?"
The Blue-Shirted Youth asked curiously.
"Taiyi Tungsten Crystal is a second rank immortal material, usually used to refine Medium-Grade Immortal Artifacts such as flying needles. How about this? Five hundred Immortal Origin Stones. That is not a low price."
Ye Yunqing said with a smile.
"Six hundred. Second rank immortal materials are not that cheap, especially materials for refining flying needle Immortal Artifacts."
The Blue-Shirted Youth bargained.
"Daoist Wang, your piece of Taiyi Tungsten Crystal is a little small. Five hundred and fifty Immortal Origin Stones."
Ye Yunqing said.
"Six hundred and seventy, not a stone less."
The Blue-Shirted Youth said.
Ye Yunqing hesitated slightly and carefully examined the black crystal. Only after confirming that it was Taiyi Tungsten Crystal did he relax and nod. "Deal."
He paid the Blue-Shirted Youth six hundred and seventy Immortal Origin Stones and said warmly, "Daoist Wang, there will be quite a few good things at this Auction. You should prepare more Immortal Origin Stones."
"I cannot compete with those wealthy fellow Daoists. I have other matters to attend to, so farewell."
The Blue-Shirted Youth rose and left.
"Daoist Wang, if you come across any good items in the future, please give Golden Moon Pavilion priority."
Ye Yunqing said warmly as he personally saw the Blue-Shirted Youth off.
Only after the Blue-Shirted Youth had gone far away did Ye Yunqing return to the seventh floor.
He took out a small mirror flashing with cyan light, injected a spell into it, and casually released a Soundproof Barrier around himself.
Before long, cyan light lit up on the mirror's surface, revealing Ye Qingli's face.
"Uncle Qingli, I have good news for you. I acquired a piece of Taiyi Tungsten Crystal!"
Ye