chapter 421 Mysterious Old Man

"Thirteen Flying Dragon Formation? How come I have never heard of such a formation?"

Hei Mu and Miao Yingfeng stared at the thirteen golden dragon shadows circling in the air and were very shocked.

"Of course you don't know about the formation I created."

Gabriel Chen sneered, changed his hands and made seals, and shouted sternly: "Flying dragon returns to its position, break!"

The next moment, thirteen golden dragon phantoms in the sky returned to the jade...