Changcheonmusin

A martial artist who believed himself unmatched and the strongest in the world finds himself rejected from becoming a saint due to his violent karma. After falling from his lofty status, he awakens 60 years later in the future, reborn as Namgung Hyuk, the second lord of the Namgung family. He discovers that all his accumulated internal energy is gone and is now afflicted with the Nine Yin energy blockage.