C670 Ling Shen Dan formula

Hearing Long Bufan ask about the Ling Shen Dan's formula, Shi Su was obviously startled, and could not help but ask: "Why do you want this?"

Long Bufan rubbed his nose, then laughed lightly: "Nothing, because the Alchemy Recipe Ceremony did not record any information regarding Ling Shen Dan, so I'm a little curious