As soon as Xi Shi's voice fell, he and Sun Yu immediately flew to catch the person who likely poisoned Fei Lin through another means. Sun Yu and Xi Shi are frowning as they chase the person who is jeering at them while escaping. Even though they don't know what the enemy is speaking because of the language barrier, the enemy's face is enough to piss them off. Coupled with the enemy's expression and what he did to Fei Lin, Sun Yu, and Xi Shi are not idiots to not know that the enemy is mocking them.
"Just as when Cheng Sheng finally found a solution to cure everyone, a new problem arose!" Sun Yu gnashed his teeth in anger as he threw a spell to the person.