"What? Refining the low-grade Xuanyan pill? Yuhe, are you joking? The formula of Zhenyan pill has been lost for tens of thousands of years!"

When Wu Jiandong heard the words, a trace of disbelief appeared on his face.

"Although I didn't see him refining the low-grade Zhenyan pill of the Xuan rank, he did take out one and sold it to the imperial concubine Megasa! Yin Shaoyan, the boy under the seat of Emperor Tongxuan, was also present!"