Lin Tian followed the three elders into the backyard of the guild. On the way, he secretly watched the three elders. He found that Qin Feng was a level-five formation master, and the other two elders were level-four formation masters, which surprised Lin Tian a little. There were so many powerful formation masters in the Imperial Formation Masters' Guild.

However, Lin Tian's surprise was gone soon. Although it sounded different from level one to level five of the formation ...