Warrior Executioner

After whopping 20 years as the headsman of the kingdom, Denil finally gets to hang up his ax—not. With the flickering prospect of a tranquil, possibly happy post-beheading life snatched from him, he's got no choice; open his eyes, open up the skills given to him by the Creator Goddess, open up about his tortured past, and bury that hatchet—preferably in his new enemies' craniums.

(Source: Webtoon Entertainment)