C391 Cheng feng

"Little Cheng Feng, the Nine Heavens Ten Earth Formation that protector created was only a third of the formation."

The voice of the Mr Mirror resounded beside Cheng Feng's ears. "As everyone knows, every single array has a corresponding cornerstone that can be used as the array formation's foundation. To put it simply, it's a Array Eye."

"As for Nine Heavens Ten Earth Formation