Jin-Woo

The Weakest Hunter of All Mankind
Korea's 10th S-Rank Hunter
Shadow Monarch
6th National Level Hunter
The Ghost
Second-Rate Asian Hunter

20-25

Sung Il-Hwan (Father)
Park Kyung-hye (Mother)
Sung Jinah (Sister)
Yoo Jinho (Brother-in-law)

Hunter
Guild Master
Shadow Monarch
Detective (Post-Time Reversal)

S-Rank

Mage

Ashborn
Rulers
Monarchs
System

Necromancer
Shadow Monarch

Will to Recover
Longevity
Immunity
Detoxification
Tenacity
Advanced Dagger Techniques
Stealth
Bloodlust
Quicksilver
Mutilation
Dagger Rush
Ruler's Authority
Dragon's Fear

Shadow Extraction
Shadow Preservation
Shadow Exchange
Monarch's Domain

Igris
Tank
Iron
Tusk
Kaisel
I'll take it.
Jima
Kamish (Temporarily)
Greed
Bellion

Kasaka's Venom Fang
Knight Killer
Baruka's Dagger
Demon King's Daggers
Demon King's Longsword
Kamish's Wrath

190 cm

Jinwoo is a tall, handsome, and muscular young man with gray eyes, sharp facial features, and black hair with bangs that fall to his eyes. When using his powers or experiencing intense emotions, his eyes glow purple and his facial features become more pronounced. He favors dark clothing and is often seen in sleek and stylish outfits ranging from tailored suits to long hooded coats. After defeating the Monarchs in the revised timeline created by the Cup of Reincarnation, he also starts wearing a black glove on his left hand to cover the burn scars he received during his rematch with Antares.

Before he was chosen as the Player of the System, Jinwoo had a very different appearance. He was shorter and had a noticeably thinner physique, with long, bushy hair that covered his ears. His face was very boyish, making him look even younger than his sister Jinah (who was still a teenager at the time), and he tended to dress casually, favoring a simple blue hoodie and jeans. It was also common to see him wearing bandages on his arms and legs due to the frequent injuries he sustained on raids.

Jinwoo is a humble and benevolent individual who cares deeply for his family and has an ardent desire to become stronger. As a result, he shares a close relationship with his sister and his mother, and rarely wastes an opportunity to refine his skills and gain more power. His deep bond with his family also makes him absolutely merciless towards anyone who dares to hurt them, as displayed when he massacred Groctar and his minions for attempting to kill Jinah, and murdered Hwang Dongsoo for torturing Jinho.

It should be noted that despite being the strongest hunter in the world, Jinwoo is not particularly arrogant and is both polite and easygoing in person. He is also mostly indifferent to materialistic desires and can be very selfless, as displayed when he teleported to Jeju Island without a second thought to save the other Korean S-Rank Hunters from certain death. In battle, however, he is ruthless, as he tends to slaughter his enemies indiscriminately, and even somewhat disdainful, as displayed when he taunted the Ant King by calling him a "mere insect" and mocked Kandiaru for the flaws he made in his design of the System.

In contrast, when he was weak, Jinwoo was very timid and insecure due to his incompetence as a hunter and his troubled financial situation. Although he deeply cared for his family and spent years risking his life on raids for their sake, he was secretly ashamed of his circumstances, as shown when he lied to Joohee about why he had chosen hunting as his career path. However, his traumatic experience in the Double Dungeon would give him everything he needed to become stronger, and being betrayed and left to die by his fellow hunters while trapped inside the dungeon would teach him the harsh lesson that his kindness could be exploited by others for their own benefit. As a result, from that point on, Jinwoo vowed never again to recklessly endanger his own life under the guise of the greater good and adopted a more self-preserving stance as a hunter, primarily focusing on amassing strength and eventually growing into the fearsome warrior he is today.

Immeasurable Strength: Jinwoo possesses a tremendous amount of physical strength. Even before obtaining his true power, he was strong enough to critically damage the Statue of God with just a few punches to its face and beat Thomas Andre, one of the five National Level Hunters, to the brink of death with just his bare hands. Upon being revived by Ashborn and receiving the full extent of the Shadow Monarch's powers, Jinwoo's strength was increased to the point that he was able to effortlessly repel Sillad's attacks with one hand, kill Rakan in just four blows, and hold his own against Antares, the strongest and oldest of the nine Monarchs, in battle. After spending 27 years waging war against the Monarchs in the revised timeline, Jinwoo has appeared to have grown even more powerful than before, as shown by how he was able to kill Antares completely by himself instead of having to rely on the Rulers for support.
Immeasurable Speed: Jinwoo is unfathomably fast and can move at speeds so great that most opponents are unable to track his movements. As a testament to this, he was agile enough to keep up with Sillad's attacks during their second confrontation and, upon obtaining his true power, was able to strike Rakan with such speed that the latter didn't even realize he'd been attacked until after Jinwoo cut off one of his legs.

Immense Durability: Jinwoo is incredibly resilient to physical damage. He was virtually unharmed when the Ant King punched him in the face, only sustaining a small cut on his lip, and was physically unscathed after Baran smashed him into the ground with great force.
Combat Mastery: Jinwoo is a master of melee combat, and his fighting skills are so refined that he can easily hold his own against enemies with far more combat experience. This was first demonstrated during his battle with Kandiaru in the Double Dungeon; despite the fact that his opponent had been alive for hundreds of years and fought numerous opponents in his time, Jinwoo was still able to match him in battle and eventually overpower him altogether. Later on, Jinwoo was also able to keep up with and defend against Sillad's attacks, despite the fact that the latter had his Spiritual Body Manifestation activated and eons of fighting experience under his belt, and probably would have been able to land a killing blow had Rakan not ambushed him from behind.
Agelessness: As a result of inheriting Ashborn's powers, Jinwoo no longer ages naturally and must biologically alter his body to appear the age he desires. Consequently, by the end of the series, he only appears to be in his thirties, despite having lived for over 80 years.

Accelerated Development: Jinwoo's most astonishing ability is his explosive growth rate, a power unlike any other in the world. Not only does he grow stronger with every battle, but he also receives a massive boost in strength with each victory he achieves. As a result, it only took him a few months of intensive training with the System to become one of the strongest hunters in Asia.
Umbrakinesis: Jinwoo possesses absolute control over shadows and darkness, and can reshape them into any form he desires, as demonstrated when he created a layer of black armor made of shadows on his body.
Memory Manipulation: Jinwoo can manipulate the memories of other humans to a certain extent by making physical contact with them. So far, he has been shown to be able to erase certain memories from their minds, grant them their memories of the original timeline, and allow them to see into his own memories, as he did with Woo Jinchul to inform him of the existence of the Rulers and the Monarchs.
Hypnosis: Jinwoo can hypnotize people into following his orders by snapping his fingers, as demonstrated when he hypnotized Kim Chul into letting him go and becoming a better person when they encountered each other in the new timeline. However, since he has only been shown using this ability once, its limitations remain unknown.
Unlimited Inventory: Jinwoo can store an unlimited number of items in his shadow and extract any number of those items for his own use at any time.

Monster Language Fluency: Jinwoo can speak and understand monster language, which he uses to communicate with his shadow soldiers and the enemy monsters he encounters in battle.
Indomitable Will: Due to his loving relationship with his family and his intense drive to become strong for their sake, Jinwoo possesses an extraordinary level of willpower. He exemplified this trait even before becoming the System's Player, as shown by how he spent four years going on dungeon raids to financially support both his sister and his mother, even though he nearly died on almost every raid he ever went on. Jinwoo's resolve to continuously risk his life for the welfare of his family was also ultimately the reason why Ashborn selected him as his successor, as he knew that Jinwoo would never quit fighting for his family no matter how high the odds were stacked against him.