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Wu Mao and his three companions seemed to always maintain a specific distance, and what puzzled Ning Cheng was that their Divine Senses rarely paid attention to their surroundings.
Ning Cheng soon understood what was going on; Sang JieZhu and the other two were using their Divine Senses to assist Wu Mao. Though the three of them weren't formation masters, Wu Mao needed the aid of their Divine Senses. Relying solely on Wu Mao's Divine Sense, he still couldn't pinpoint the location of the spiritual vein.
Realizing that the other three also had to use their Divine Senses to assist Wu Mao, Ning Cheng grew slightly bolder. Not only did he track Wu Mao and his companions with his Divine Sense, but he also occasionally observed Wu Mao's hand gestures and the Array Flags he tossed.
