C183 The Reversal of Fate!

Judging from the smell of the incense made by Chang Gong, she didn't learn the basic incense refining technique and directly started from the advanced level. It was no wonder that her incense was thick at first, but after a while, it revealed its rough side. Thinking about how Chang Gong had mentioned that Yun Qian had left a book on advanced incense refining in the backyard room