C1356 Refining!

"He really corrected the formation I gave him. He used his own body to inscribe the formation." Mu Xiaoyu looked at Lin Feng in pain. She did not know if this formation was something that Lin Feng had already learned, or if it was just a coincidence. Logically speaking, the possibility of the latter was very high. After all, this formation had been altered by her. However, if that was the case