Solo Leveling is, today, one of the biggest phenomena in anime and manhwa: the story of Sung Jin-Woo, humanity's weakest hunter, who gains a mysterious "System" that lets him level up like in a video game until he becomes the most feared entity in his world. But truly understanding the series takes more than following its protagonist: there's a guild, a shadow army, a handful of elite hunters, and villains, the Monarchs, who rewrite the rules of power every time they appear. This guide sorts out who's who and how each power system works, without spoiling the final twists.
What is Solo Leveling and where does it come from?
Solo Leveling started in 2016 as a Korean web novel written by Chugong, was later adapted into a webtoon with art by Dubu (Redice Studio), and it's that illustrated version, not a Japanese manga, that made the jump to anime produced by A-1 Pictures. The premise: in a world where portals ("Gates") have appeared connecting Earth to dimensions full of monsters, certain humans — hunters — receive special powers to fight them. Sung Jin-Woo starts out as the weakest hunter in the lowest-ranked guild, until a mission that should have killed him grants him access to an exclusive system with no growth limit.
Sung Jin-Woo: from the weakest hunter to the Shadow Monarch
Sung Jin-Woo is the heart of the story. After barely surviving a "double dungeon" far above his rank, he gains the ability to see and use the System: an interface only he perceives, with daily quests, upgradeable stats and a level bar that rises with every fight, exactly like an RPG video game. From there he develops his defining ability, Arise: the power to resurrect the enemies he defeats and turn them into shadows in his service, gradually building his own army. Over time he's revealed to be the Shadow Monarch, one of the highest-ranking rulers in the entire multiverse of the story, able to rival the most powerful beings in existence.
Cha Hae-In: the S-rank swordswoman
Cha Hae-In is Korea's number-one hunter in close-quarters sword combat, and one of the country's few S-rank hunters. She's known for a supernatural "sense of smell" that lets her detect other hunters' real power level by their scent, an ability that makes most people uncomfortable around her except Jin-Woo, whose scent she finds pleasant from their very first encounter, long before the rest of the world recognizes his true potential. Her relationship with Jin-Woo evolves from professional curiosity into a central romantic bond in the second half of the story.
The Ahjin Guild and the elite hunters
A circle of key allies forms around Jin-Woo. Go Gun-Hee, president of the Korean Hunters Association, is among the first to sense that Jin-Woo hides something exceptional. Baek Yoonho, leader of the Hunters Guild, is an S-rank hunter able to partially transform into a tiger. Woo Jinchul is the investigator who spends years trying to unravel the mystery behind Jin-Woo's transformation. And on an international scale, other reference S-rank hunters appear, like Thomas Andre (United States), Liu Zhigang (China) or Christopher Reed (United Kingdom), placing Jin-Woo within a geopolitical power chessboard between nations, not just an individual story.
Beru and Igris: Jin-Woo's most powerful shadows
| Shadow | Origin | Role in the army |
|---|---|---|
| Beru | Ant King defeated in battle | Most loyal and powerful soldier; near-religious loyalty toward Jin-Woo |
| Igris | Noble knight of the Fatality family | Sword combat specialist; considered second-in-command |
| Bellion | High-ranking shadow commander | Marshal of the army, appears in later stages of the story |
Each shadow retains part of the strength and abilities it had in life, while also gaining new capabilities upon resurrection. This growing army is what eventually turns Jin-Woo into a military force in his own right, rather than just an individual hunter.
The Monarchs: the ultimate villains
The Monarchs are the supreme rulers of the monstrous races inhabiting other dimensions connected through the portals. Each leads their own army and embodies a specific power or element: fire, ice, plague, transformation or pure destruction, the last one represented by Antares, treated in the story as the heaviest-hitting threat. Facing them are the Rulers, beings from the opposing side who seek to stop the Monarchs and who also come into direct conflict with Jin-Woo as his power grows beyond anything expected of a mere human hunter.
The hunter rank system, from E to S
Every hunter is officially evaluated by the Hunters Association and classified on a six-tier scale, from lowest to highest combat power:
- E-Rank: the lowest tier; where Sung Jin-Woo starts at the beginning of the story.
- D and C-Rank: hunters with moderate abilities, the majority of the profession.
- B-Rank: notable hunters, capable of leading medium-to-high difficulty raids.
- A-Rank: the elite just below the top, with real impact in high-risk dungeons.
- S-Rank: the officially recognized maximum; fewer than a handful per country, with Cha Hae-In, Go Gun-Hee and Baek Yoonho among them.
This system is the yardstick everyone in the fiction uses, and much of the narrative tension comes from Jin-Woo's growth eventually shattering that scale completely: he goes from E-rank to becoming something the classification itself isn't equipped to name.
Common misconceptions about Solo Leveling's characters
- Thinking Solo Leveling is a Japanese manga: it's a South Korean manhwa, born as a web novel and adapted into a webtoon before the anime.
- Mistaking the Monarchs for simple "final bosses": each has motivations, a hierarchy and their own army, they're not isolated obstacles.
- Underrating Cha Hae-In's role as "just" a love interest: she's an S-rank hunter on her own merit, with one of the most unique detection abilities in the story.
- Believing Jin-Woo's shadows are identical clones: each retains distinct personality, abilities and power rank based on their origin (Beru and Igris don't fight the same way).
If the anime leaves you wanting more, the printed edition of the webtoon (with art by Dubu / Redice Studio) lets you race far ahead in Jin-Woo's story and his shadow army.
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Frequently asked questions about Solo Leveling's characters
Who is the strongest character in Solo Leveling?
Within the main timeline, Sung Jin-Woo ends up the most powerful after becoming the Shadow Monarch, able to absorb other Monarchs and Rulers on equal footing. Among the villains, Antares, the Monarch of Destruction, is treated as the story's heaviest-hitting rival.
What is the System in Solo Leveling?
The System is a supernatural interface, visible only to Sung Jin-Woo at first, that lets him level up, accept daily quests and improve his stats as if it were an RPG video game. It's granted to him by an unknown being after he survives a double dungeon far above his rank, and it's what sets him apart from every other hunter in the world.
What is the relationship between Sung Jin-Woo and Cha Hae-In?
Cha Hae-In is an S-rank hunter, Korea's best swordswoman, who develops a romantic bond with Jin-Woo as the story progresses. She's one of the few characters able to sense Jin-Woo's true hidden power from the start, long before the rest of the world recognizes it.
Who are Beru and Igris?
Beru is an Ant King defeated and resurrected by Jin-Woo as a shadow, becoming his most loyal and powerful soldier, with near-religious loyalty to his master. Igris is a shadow knight created from a Fatality noble, specialized in sword combat and considered second-in-command of the shadow army.
What are the Monarchs in Solo Leveling?
The Monarchs are the supreme rulers of the monstrous races from other dimensions, each commanding their own army and wielding powers tied to an element or concept (fire, ice, plague, transformation, destruction). Alongside the Rulers, they represent the series' largest-scale threat.
How does the hunter rank system (E, D, C, B, A, S) work?
Hunters are classified through an official test into six ranks, from E (lowest) to S (highest), based on combat power and stats measured by the Hunters Association. An S-rank hunter like Cha Hae-In or Go Gun-Hee can single-handedly face threats that would wipe out an army of E-rank hunters.
Where can I watch or read Solo Leveling?
The anime (Solo Leveling, seasons 1 and 2, plus the recap film ReAwakening) is available on Crunchyroll with dubbing and subtitles. The original webtoon and its manhwa adaptation can be read on official platforms like Naver Webtoon / Line Webtoon.
Is Solo Leveling a manga or a manhwa?
It's a manhwa, meaning a South Korean comic. It started as a web novel written by Chugong in 2016, was adapted into a webtoon with art by Dubu (Redice Studio), and that illustrated version is what gave rise to the anime, not a Japanese manga.
How many seasons does the Solo Leveling anime have, and are more planned?
As of 2026 there are two aired seasons. The first adapts the story's start through the Jeju Island arc, and the second continues with the development of the Ahjin Guild and the Monarchs. New installments have been confirmed given the franchise's commercial success.