Zuan used his inner energy to reassure Sang Qian before saying, "It's like this, there are a few medicinal herbs that I don't know if you're familiar with..."

After listening to his explanation, Shen Xuzi said, "Demon Light Sand is an essential ingredient for refining many top-grade pills. It is extremely rare in the world. Countless alchemists have searched for it their whole lives but have never found a trace of it."

Zuan frowned: "Then there's no chance."

If even one type of material is so rare, imagine how many others there are.

At this moment, Shenxuzi finally revealed a smug smile: "Chancellor, don't worry, I have some here."

Without him even making a sound, a mechanical puppet creaked over, carrying a jar in its hands.

Shenxuzi opened his hand and carefully poured a strand of sand from the jar into his palm, his solemn expression as if he were pouring out his lifeblood.

Zuan noticed that the sand was different from ordinary sand. It emitted a light purple light and looked more like a handful of water than sand.

"Is the High Priest preparing to refine pills?" Shenxuzi said with a smile. "Since the High Priest is taking office, consider this bit of Demonic Sand as my congratulatory gift."

Zuan's eyes lit up: "How could I possibly accept that?"

While saying this, he didn't stand on ceremony and directly took the jar from his hand.

He needs to refine the Marrow Cleansing Pill, so the demand is quite large.

Shi Xuzi: "???"

I only meant to give you this small piece of my palm, why did you pack up all my jars?

He said quietly, "This thing is very expensive. I can't give you this much for free unless you pay more!"

“That’s natural,” Zuan laughed. “The main reason is that I really need this stuff, otherwise I wouldn’t want so much.”

He knew that Shen Xuzi was notoriously poor, since both alchemy and alchemical puppetry were expensive things.

So he took out about one cubic meter of Heavenly Rank Yuan Stone directly from the Glazed Pearl: "Is this enough?"

These Yuan Stones were given to him by Yu Yanluo when he first went to Yunzhong County. It feels really good to be supported by a rich woman.

"That's enough, that's enough." Shen Xuzi's eyes lit up. He had naturally seen so many spirit stones before, but he had never seen them all of the Heaven-rank. "By the way, when will you let me examine your storage bag? I want to see how you managed to hold so many."

After all, storage bags in the world have extremely limited space and can only hold some necessities, unlike this guy who can take out a cubic meter of elemental stone at any time.

“It’s not a storage bag, but a treasure I obtained many years ago,” Zuan replied.

"I see." Shenxuzi was somewhat disappointed. If it were a treasure, he wouldn't be able to ask someone for it to see, and since it wasn't a storage bag, he couldn't replicate it himself.

"By the way, do you know about the other materials?" Zu'an asked hurriedly.

Shen Xuzi then replied, "The Azure Flame Brain is called a brain, but it is actually a kind of flower. When the flower blooms, it looks like a burning flame, or like a human brain, hence the name. This thing is very precious. I don't have it here, and if I'm not mistaken, the Imperial Hospital doesn't have it either. You can ask at places like Xiaoyao Tower. I saw it in their trading book before."

"Xiaoyao Tower?" Zu An frowned. According to the intelligence he had received, Xiaoyao Tower seemed to have some connection with the Meng Dynasty royal family. As a grandson of the emperor, he really didn't want to get involved with them.

The old master and Xiaoyao Tower seem to have a close relationship; his disciple…

“Yes, I often go there. Xiaoyao Tower provides a platform for cultivators to trade, since many precious things can only be obtained through barter,” Shenxuzi replied.

Seeing that he didn't seem to have that kind of connection with Xiaoyao Tower, Zu An breathed a sigh of relief.

He didn't want to get too involved with Xiaoyao Tower, so he could only ask Xiulou to help investigate. With his current status as the Grand Commander of the Embroidered Robe Envoy, the Academy Chancellor, and the Regent of the Human and Demon Races, investigating the Azure Flame Brain should be easier than searching for it on his own.

One has to admire how different it is to have status and position; everything is much easier for you than for ordinary people. No wonder everyone wants to climb up, whether in the past or the present.

"As for the Empty Cicada Leaf, I have never heard of it. If I'm not mistaken, Xiaoyao Tower probably won't be able to find it either." Shen Xuzi's tone was somewhat arrogant. If even he didn't know it, Xiaoyao Tower naturally wouldn't know it either.

Zu An's heart sank, wondering if such a thing didn't exist in this world?

At this moment, Sang Qian suddenly spoke up: "As far as I know, the Second Master of the Academy's back mountain is a physician who is well-versed in all kinds of herbs. Is it possible that he knows about the Hollow Cicada Leaf?"

Shen Xuzi's eyes lit up: "I almost forgot about it if you hadn't mentioned it. Second Senior Brother might indeed know about this item."

Zuan couldn't help but ask, "Who exactly is your second senior brother?"

Shen Xuzi laughed and said, "Speaking of which, the Grand Master was also in Mingyue City back then. He might know Second Senior Brother. His name is Ji Dengtu. With his medical skills, even if he has fallen into obscurity, he shouldn't be completely unknown. Has the Grand Master heard of him?"