Xiao Yi's mute uncle and Pei Nai's husband. He is the commander of the Pei family army and holds the title Lord Duanding. His inner strength is said to be so great he can hear sounds five li away. He brought Xiao Yi to Chaoyang after Pei Nai rescued him. Over the next three years, Xiao Yi witnessed his power struggles and rising ambitions. It was later revealed that Gu Jinheng had used Pei Nai and ultimately led her to her death on the battlefield against the Wuzu.
