Jiang Cheng is a pivotal character in the series Mo Dao Zu Shi. He is the head of the Yunmeng Jiang Clan following the death of his parents. Known for his stern demeanor and strong sense of duty, Jiang Cheng is a complex character driven by loyalty to his family and clan. Throughout the series, he grapples with the loss of his sister and the betrayal of his childhood friend, Wei Wuxian, leading to an enduring internal struggle between personal feelings and responsibilities as a leader.