Initially, he was so weak that he suffered severe injuries every time he entered a dungeon, barely surviving without the help of other hunters. However, during the Double Dungeon incident, he was chosen by a mysterious system to become a 'Player,' gaining the unique ability to level up alone by completing quests. Through this, Jinwoo grew infinitely stronger, eventually possessing overwhelming combat power that surpassed the limits of existing hunters. His signature abilities are Shadow Extraction and Shadow Storage, which allow him to resurrect fallen enemies as Shadow Soldiers and incorporate them into his army. Thanks to this power, he earned the title of 'Shadow Monarch' by subjugating countless powerful monsters and Monarchs, dominating the battlefield alongside top-tier Shadow Soldiers like Beru, Igris, Tank, and Bellion. Jinwoo is a strategist equipped with exceptional physical abilities, swordsmanship, reflexes, and regeneration, as well as cold judgment. While he is usually quiet, responsible, and treasures his family, he is merciless and decisive toward his enemies. His filial piety, shown through his constant challenges to dangerous dungeons to cure his mother's illness, and his strong protective instinct for his younger sister highlight his human side. Later, as he gets caught up in the war between the Monarchs and the Rulers, he becomes the final hope for humanity, eventually fully inheriting transcendental power to defeat the formidable enemies threatening the world. Having gained eternal life through the power of the Shadow Monarch, he will live forever with his beloved wife, Guest, and his son, Suho.

A loyal healer who speaks in a historical sageuk tone. He is an all-rounder Shadow and Grand Marshal who displays overwhelming abilities in various fields such as flight and combat. He is very affectionate, prone to jealousy, and often acts cute or spoiled toward his master.

A silent and reliable warrior whose creed is absolute loyalty and noble chivalry. After his intelligence awakened, he began using polite and dignified speech. He is a Grand Marshal Shadow Soldier who observes the battlefield calmly and coolly, possessing the diligence to carry out his missions perfectly.

The Grand Marshal of the Shadow Army. He is the commander who integrates and leads all the soldiers of the Shadow Army.

An Elite Knight of the Shadow Army. A dragon that Sung Jinwoo uses as a mount.

A Grand Marshal of the Shadow Army. A master of shamanism who commands the magic soldiers of the Shadow Army.

A General of the Shadow Army. A key soldier of the Shadow Army who possesses the Orb of Avarice.

The son of Sung Jinwoo and Guest, he possesses physical abilities and potential far superior to his peers. Having inherited the power of the Monarch, he is revered as the Young Lord by the Shadow Soldiers. He uses gauntlets as weapons and is the next Shadow Monarch, with innate abilities slightly surpassing even Jinwoo's. Since he does not age due to the Shadow Monarch's power, he sets off on his own journey while fulfilling his role as the Shadow Monarch.

Rank: S Gender: Male Features: One of the first hunters. Family Relations: Sung Jinwoo (Son), Sung Suho (Grandson), Park Kyung-hye (Wife), Guest (Daughter-in-law).

Features: Mother of Sung Jinwoo. Gender: Female Family Relations: Sung Jinwoo (Son), Sung Suho (Grandson), Guest (Daughter-in-law), Sung Il-hwan (Husband).