Revenge in Royal Form

Leon Archer is the son of the Prince of the South. He was born with a half body, which left him sick through his childhood, and Master Lucien of Mount Jiuhua took him on as a disciple. Leon trained for twenty years. When his lightning tribulation came, he broke off the tribulation himself to save Rhea Collins, and the interruption left him badly hurt. He and the Collins family made an arrangement: five years living in their house, recovering under their protection and their doctors. The head of the Collins family died before the five years were out. Nobody left in the house knew who Leon actually was. To them he was a live-in son-in-law who brought nothing, and they treated him as one. They pressed Rhea to divorce him. By the time they found out he was the heir of the Prince of the South, there was nothing useful left to do about it.