chapter 423 Chapter 422: Heaven-level Formation

"Heaven-level formation!?" Robert Ye was deeply trapped in the formation illusion and immediately realized that this formation was unusual and was a heavenly level formation. The formation is divided into three levels: heaven, earth and man. Human-level formation, which is the most basic and common formation. For example, when two armies face off, the commonly used formations are the long snake formation, the ten-sided ambush formation, the goose formation, the mandarin duck formation,...