The ignorant are fearless, and Ning Cheng felt a chill in his heart. If he had known that he was trapped by the breath locking formation, he would have asked Duan Qantai to cooperate as long as he had it. Fortunately, Duan Qiantai thought that his level of formation was low and he had little knowledge, so he simply came to ask for his cooperation. There was nothing wrong with keeping a low profile....