Overview
- Esil Radiru, initially an adversary to Sung Jinwoo, developed a deep bond with him after pleading for her life during their first encounter.
- Metus, the formidable boss ruling the 75th floor, fell easily to an evolved Sung Jinwoo, demonstrating his extraordinary growth.
- Baruka, an S-rank magical beast, proved to be more powerful than Jinwoo, necessitating teamwork to be defeated.
Solo Leveling unfolds in a universe afflicted by the emergence of mysterious Gates, which are portals filled with monstrous beings. In response, many people discover their awakenings, gaining formidable abilities to combat these malevolent creatures.
The narrative captures the relentless struggle between humanity and the Denizens of Chaos, compelling characters to navigate choices that intricately shape their destinies. Throughout the saga, numerous magic beasts wreak havoc on humanity, with certain entities standing out as exceptionally strong foes.
7 Esil Radiru
Princess of the Radiru Clan
- Anime Debut: Episode 21
- Webtoon Debut: Chapter 81
Esil Radiru is a princess from the Radiru Clan who first encounters Sung Jinwoo on the 80th floor of the Demon Castle. Initially, she aimed to hinder his progress by targeting his shadow army. However, after witnessing the death of two of her knights, she begged for her life and attempted to strike when Jinwoo seemed distracted.
Over time, mistrust dissolved, and Esil formed a strong alliance with Jinwoo as she offered to help him secure essential permits to navigate through the floors toward the dungeon’s final boss. Esil became an admirer of Jinwoo’s unmatched abilities, watching him conquer each level with ease.
6 Metus
Guide of the Departed Souls
- Anime Debut: Episode 15
- Webtoon Debut: Chapter 60
Metus, the ruler of the 75th floor in the Demon Castle, is a significant boss demon known for his necromancy skills. Despite possessing the rank of S-rank, he was no match for Sung Jinwoo after his evolution. The encounter unfolded swiftly, with Jinwoo overcoming Metus effortlessly.
5 Vulcan
Second Boss of the Demon Castle
- Anime Debut: Episode 15
- Webtoon Debut: Chapter 58
As the boss of the 50th floor, Vulcan is characterized by his extreme greed and formidable physical presence. Despite his large frame and apparent bulkiness, he exhibited surprising agility in combat. He put up a fierce fight against Sung Jinwoo, utilizing his strength and endurance, but ultimately succumbed to defeat.
4 Kargalgan
Boss of the Hunters Guild Gate
- Anime Debut: Episode 17
- Webtoon Debut: Chapter 71
Kargalgan is portrayed as a ruthless and sadistic high-orc shaman with impressive magical capabilities. His S-rank status reflects his strength, as he possessed the ability to cast powerful spells. When confronted by the Hunters Guild’s A-rank raid team, he employed barrier magic to cage the hunters, intending to derive pleasure from their suffering.
However, his plans were thwarted when Jinwoo intervened, ultimately defeating the boss and incorporating Kargalgan into his shadow army, where he was nicknamed Tusk.
3 Baruka
Boss of the Red Gate
- Anime Debut: Episode 13
- Webtoon Debut: Chapter 52
Baruka is a menacing magic beast confronting Jinwoo in the Red Gate. One of the few beings stronger than Jinwoo during their initial encounter, Baruka forced Jinwoo to seek assistance from Igris and utilize A-rank hunter Kim Chul’s powers to emerge victorious. His S-rank status was evident as he could endure multiple attacks from Jinwoo with remarkable resilience.
2 Ant King
Ant Queen’s Strongest Child
- Anime Debut: Episode 22
- Webtoon Debut: Chapter 94
The Ant King stands out as a secretive and exceptionally strong magic beast residing within an S-rank dungeon on Jeju Island, capable of annihilating elite hunters in mere minutes. His onslaught could have decimated the entire raid party had Sung Jinwoo not intervened at the last moment.
Possessing a unique ability known as Gluttony, the Ant King could consume any living creature, absorbing their powers and knowledge. After devouring Ming Byung-Gyu, he learned to communicate in human language almost instantly. If he had survived longer, his rapid evolutionary potential might have rendered him the most formidable magic beast ever encountered. However, he met his demise shortly after his birth against the indomitable Sung Jinwoo, who had to expend considerable effort to defeat him.
1 Kandiaru
The Architect
- Anime Debut: Episode 1
- Webtoon Debut: Chapter 6
Kandiaru serves as an S-rank demonic specter and the primary antagonist of the Double Dungeon. As the mind behind the System, he created a magical framework with ulterior motives, operating against Sang Jinwoo’s interests.
His immense power allowed him to nearly wipe out an entire raid party exploring the Double Dungeon, deriving a sadistic thrill from inflicting pain. Unlike many beasts, Kandiaru displayed advanced intelligence, orchestrating complex plans to serve his malevolent designs. Remarkably, he is the only dungeon boss who survived an encounter with Jinwoo.