In his youth, he was once a legendary hero of the people after he and his fellow night watchmen defeated an imugi in Mt. Baekdu. In his days as a warrior, he saves a woman who preserves the energy of Mt. Baekdu, and she falls in love with him at first sight. Haejong is a good king and father to his sons, but the ghost-seeing gift-curse eventually turns him into an evil tyrant.