C402 Innate Stage Thunderfire Killing Formation

Senior Brother Tang An, along with Wu Zheng and Wu Ye, all stared at Luo Xiu with astonishment.

Previously, Wu Ye had probed Luo Xiu and discovered that he had mastered the top-level Law of Death to an advanced degree, indicating his strength was immeasurable.

Yet, they had never imagined that Luo Xiu was also a Formation Grandmaster.

"How many years have you been cultivating