C208 The two sword kings and their wisdom in the daoist sect

Zhuge Liuyun's words made me frown. "What kind of formation could have such a miraculous effect?"

"If I'm not wrong, this kind of formation is only recorded in the Heaven Speculating Arts, its specific effects are unknown. According to the rumors … This kind of formation can put a person at the edge between illusion and reality. Whether it's true or false