C1717 Toxicology battleship company
Although Bi Yao didn't cultivate much, she was an adult dragon after all. Controlling a dragon's breath was a piece of cake. After a while, they would spew out some Poisonous Dragon Breath which Bai Jie would easily take back into the Storage Ring.
Of course, Bai Jie would definitely not know the value of these dragon's breath, and would inevitably look for Mo Bai to appraise it later