C1082 Combination Formation

"What difficulty?" Weiqing's expression changed slightly as he asked.

This Combination Formation was seen by Weiqing as the strongest weapon used to kill Seven Light Zong. If this Combination Formation was not of use, then it would be very difficult for Weiqing and the rest to break out of the encirclement.

Zhang Xun frowned and said: "The Combination Formation's principle is very simple