Geomsingwangnyong

To martial artists, he was known as the Sword Calamity or the Sword Monster, but to the common folk, he was a savior.

About thirty years ago, Jung-Hyeon, the strongest and most fearsome monster in the history of the Wudang Sect, suddenly disappeared without a trace after the Heavenly Demon died.
After some time had passed, Jung-Hyeon, who had maintained his youth, reappeared in the martial world, bringing with him a young girl. This girl was So-Jin, the granddaughter of the Heavenly Demon, Jung-Hyeon only true rival and friend in life. Jung-Hyeon embarks on a journey to Mount Wudang with So-Jin. Will the two be able to complete their journey safely?

(Source: KakaoPage, translated)