C118 Deduction

Hearing that, Lu Chen was not convinced, he angrily said: "Brother, what you said is not right, how can I not know formations? Do I need to advertise the formation? Didn't I say I'm trash? I'm already at the Xiantian Mid Rank now, am I not? You can't judge a book by its cover. If it wasn't for my master not allowing me to show off