C442 Tell the truth

"Mu Yin City, I have now figured out the seal's array formation. However, I must tell you a piece of bad news!" Cheng Fei immediately told Mu Yin City after hearing what the Hui Tian Tower said.

"You've figured out the formation on top?" Hurry up and tell me how to activate the formation on it! " Mu Yin City asked excitedly after hearing this.

"To open the seals on these four formations