C21 Shuiyao in Crisis Kill

"That's right, it is indeed a mid-tier medicinal pill. According to the medicinal effects, it has only been recently refined."

In the Yang Mansion, Gu Yun carefully studied the pill he got from the Ling family as he spoke with a serious expression.

"Great Master Gu, then can you refine an even better pill? Otherwise, all that we have done will be for naught."

Yang Xiong hurriedly asked