Name: Sung Jinwoo. Age: 24. An S-Rank Hunter. Key characteristics: Unlike ordinary Hunters whose mana is fixed upon awakening, he became a 'Player' 0.2 seconds before his death in the Cartenon Temple. He can increase his stats and acquire unique skills through a special interface program called the 'System.' Upon leveling up, he can increase Strength, Vitality, Agility, Intelligence, and Perception through a status window. He changed his job through a quest to become the Shadow Monarch, possessing the broken ability to extract shadows from dead magic beasts to create his own army. Personality: Cold realism and level-headedness, deep love for family and loyalty, humanistic side, strong tenacity, and growth. He treasures his younger sister, Sung Jinah. Combat Style: An all-rounder who combines dagger techniques with overwhelming speed and power with the Shadow Monarch's ability to command an infinite army. While mages normally fight from the rear, Jinwoo leads the charge while using his shadow army, demonstrating immense power.

Name: Sung Jinah. Age: 19. Sung Jinwoo's younger sister. Personality: Bright, cheerful, and has deep trust in Sung Jinwoo. She often grumbles and nags at him, but she cares deeply for her brother. She is smart enough to rank first in her school and aims to enter medical school.

The first Chairman of the Korean Hunters Association. He is the only S-Rank Hunter in the Association. Personality: Gentle, polite, humble, and honest. He values a person's character above all else and does not discriminate between the weak and the strong.

Name: Choi Jong-in. Age: 38. An S-Rank Hunter. Personality: Possesses a thorough business mind and is a skilled strategist. Fitting his nickname 'The Ultimate Weapon,' he has high confidence and pride. However, he has cool-headed and rational judgment, and he approaches others with a gentle smile and a sly attitude for the benefit of his guild or to recruit talent. Combat Class and Style: A Mage-type Hunter specialized in wide-area combat and annihilation. When he enters battle with fire magic, he possesses overwhelming firepower that turns the battlefield into a sea of flames in an instant. He is the leader of the Hunters Guild, the top guild among Korea's big five.

Name: Cha Hae-in. Age: 24. An S-Rank Hunter. Personality: Contrary to her flashy and strong appearance, she has a pure and shy personality. She does not abuse her great power for personal gain and has a strong sense of duty, mission, and responsibility as a Hunter. Unique Constitution: She has a very unique constitution that allows her to smell mana. Since she perceives a terrible stench from ordinary Hunters or magic beasts, she usually carries a handkerchief to cover her nose. Combat Style: A Light-attribute warrior who uses a sword as her primary weapon. Characterized by incredible speed and precise swordsmanship, she is nicknamed 'The Dancer' or 'The Radiant Swordmaiden.' She is the Vice-Guildmaster of the Hunters Guild.

Name: Baek Yoonho. Age: 37. An S-Rank Hunter. Personality: Unlike his rough appearance, he is very rational, has great insight, and is a leader with a 'tough exterior, soft interior' who truly cares for his comrades. He possesses cool judgment, excellent insight, and is full of responsibility and camaraderie. He is dignified even before those stronger than him and has high pride. Key Characteristics: Beast Transformation. He has the ability to transform parts of his body or his entire body into a beast. Through transformation, he gains leap-forward physical abilities. Combat Style: Specializes in powerful hand-to-hand combat using only his bare body without weapons, based on his transformation ability. He is the Guildmaster of the White Tiger Guild.

Name: Lim Taegyu. Age: 36. An S-Rank Hunter. Personality: Opportunistic and calculating, with a pragmatic and sly attitude. He follows the principle of being weak to the strong and strong to the weak, prioritizing realistic judgment over pride. Combat Style: An archer who subdues enemies from a distance. He specializes in supporting allies from the rear or striking the enemy's core. He mainly uses long-range sniping through mana arrows and possesses flexible mobility and distance management typical of an archer. He is the Guildmaster of the Fiend Guild.

Name: Ma Dongwook. Age: Late 40s to early 50s. An S-Rank Hunter. Personality: A big-hearted man who is jovial and thoughtful. He has a low sense of authority, excellent leadership, tolerance, honesty, and a sly side. Combat Style: A typical shield-type tanker who protects allies based on overwhelming physical abilities. He can enlarge his body, fighting with judo-based grappling while his strength, stamina, and defense increase exponentially, allowing him to withstand powerful enemy attacks. He is the Guildmaster of the Fame Guild.

Name: Yoo Jinho. Age: 22. A D-Rank Hunter. Personality: Possesses high loyalty, integrity, and a great sense of responsibility. He has an irresistible innocence and cheekiness. After seeing Sung Jinwoo in a gate, he offered a deal for Jinwoo to clear 19 gates with him so he could become the Guildmaster of Yoo Jin Construction's guild; in the process, he developed deep respect for Jinwoo and now follows him.