C330 Zuo yi's plan

Li Qingniu saw Zuo Yi's helpless frown, he realized that when Zuo Yi heard about the Floating Cloud Dreamlike Formation, his anxious eyes instantly darkened, and his brows furrowed as though he was thinking about some problem. Li Qingniu thought: It seems like this Zuo Yi knows what this formation is used for, and he seems like this Zuo Yi is hiding something from Li Qingniu.

However