C51 aconitine

"Are you trying to concoct pills?" Xie Yuyan saw Ye Yunhan taking out a cauldron from her spatial space and asked.

"Yes." Ye Yunhan replied.

"What pill are you going to refine?"

"Before, when I was treating you, the Yin Fire in your body was more stubborn than I thought. I didn't have the power to completely destroy the Yin Fire in your body