C77 Ximen Wai-you

Xi Men Wuyou, who was proficient in the Nine Nether Arithmetic, had already calculated everything that was happening in the mortal world. He also knew that the Heavenly Dao Sect had produced an outstanding sword immortal, Nangong Du, and he also knew that Fang Baiyi, who could prevent the five sects from returning to the mortal world. However