Tian Lu Academy.
Chu Liuyue started preparing the ingredients while Zuo Rong and the other teachers watched her. First, she took out a white palm-sized shell and started grinding it with the pestle. After some time, small white powder started to trickle down.
The shell was very thick and very troublesome to grind. Even after grinding for 15 minutes, Chu Liuyue still had more than half of the shell left to grind.
Xuan Cang kept tolerating and enduring it. However, when he saw Chu Liuyue's clumsy actions, he finally said, "Chu Liuyue, do you know what you're doing? You're not supposed to handle the White Xiang Bei like this!"
Chu Liuyue raised her head in shock. "Really? However, the books said that White Xiang Bei has to be ground to powder to maximize its effects."