The Blood Demon Chronicles

The Blood Demon Chronicles Manhwa 혈마전기, Chronicles of the Blood Demon, Tale of the Blood Demon, Blood Demon Chronicles Through a miraculous stroke of fate, Mok-yeon undergoes a terrifying transformation into a vampire. But his newfound power is overshadowed by tragedy when his older sister is brutally murdered by corrupt martial artists belonging to the supposedly Righteous Faction. Fuelled by an insatiable thirst for blood and vengeance, Mok-yeon makes a chilling vow: he will completely obliterate the entire Murim. The bloody legend of a vampire in the martial arts world begins!