Grim Reaper: Master of the Underworld

Read manhwa Grim Reaper: Master of the Underworld / 저승사자:제령무사 Jia Gang, the greatest swordsman of Joseon, fails to avenge his master and dies, descending to the underworld. Possessing a special soul, Jiagang is promised a chance for revenge by the King of the Underworld and takes on the path of a Grim Reaper who captures evil spirits.