The Nine Heavens Swordmaster

Yeon Jeokha endured years of abuse from his father's first wife because he was the son of the favored second wife. His life takes a dramatic turn when he discovers a mirror housing a spirit that teaches him the Nine Heavens Sword Art, a powerful technique devised by his father. After a grueling decade of training, he manages to escape and heads for the mountains. There, he becomes the strongest member of the Obong Outlaws. However, he soon realizes that as he grows stronger, more enemies and rivals are drawn to him... Original Webtoon: KakaoPage, Daum Official Translations: English, Japanese, Thai, Simplified Chinese, Traditional Chinese