chapter 51 Is this An Jin?

Seeing Li Yaoyang's movements and expression, the surrounding SWAT team members all looked puzzled. Li Yaoyang, who was so confident just now and didn't even bother with Mahmud Du ulmoides, why did he change his look of solemnity in the blink of an eye? Not only the SWAT team members, but even Savion Mao frowned in confusion. This guy was a master of internal martial arts. No matter how powerful the squad leader was, there was no need to show such a solemn expression, right? "This...