A great hunter returned after decades to raise the level

Jin Taeyon was once a young loser, but he has become the best hunter of supernatural entities over the years, dominating dungeons and defeating the most fearsome creatures. Millennia pass, and Jin mysteriously disappears. Decades later, he is reincarnated, but this time he has lost most of his powers. Faced with his former glory and the reality of his new life, Jin must find his way back and face new challenges to once again become the legendary hunter he once was.