Bulgasal: Immortal Souls (2021)
Cursed since birth and exempt from death, a revenge-driven immortal sets the quest out on a quest to reclaim his soul and end a 600 -year-old vendetta.
Dan Hwal was a human 600 years ago. While he was carrying out his mission as a military officer to erase the remnants of the former dynasty, he became immortal. He has been immortal for the past 600 years.