The middle-aged man took a deep breath, and then did something that surprised Yun Hao very much.,The middle-aged man beamed with excitement, "Oh, right, I forgot to introduce myself! My name is Ding Mao, from the Liu Dao Pai of the Human Domain. If you don't mind, you can call me Big Brother Ding!",Yun Hao's gaze was fixed intently on the human cultivator who had been struck by the poison of centrifugal plague.。