C81 Changing the Pill Formula

"Did you really use Bluesilver Grass, Purple Dragon Wood, Wood Dragon Leaf, Consolidating Soul Grass, and the blood of the Herculean Diamond Bear to refine this Medicine Pill?" After everyone had left, only Lei Tian, Cao Gang, and Ximen Shuiling were left. ... Ximen Shuiling finally asked.

She had been silent all this time because she was thinking about how Lei Tian refined it