This article contains spoilers from the Solo Leveling manhwa.
Many anime and manhwa fans find watching Sung Jin-Woo demonstrate his incredible abilities in Solo Leveling to be incredibly exciting. The first two seasons effectively highlighted Jin-Woo’s fighting skills, consistently impressing viewers with amazing moments in every boss battle and dungeon exploration. Solo Leveling Season 3 will likely continue this trend, with even greater challenges and higher stakes.
Following his time on Jeju Island, the journey becomes increasingly perilous, forcing Jin-Woo to focus on gaining experience, increasing his strength, and learning crucial new abilities. While he may already be the most powerful hunter, Jin-Woo still needs to unlock the Unknown Skill, which has the potential to bring him to the height of his power. But activating this mysterious skill won’t be simple, unlike simply raising a shadow in Solo Leveling.
Jin-Woo’s Strongest Unknown Skill Is Still Locked
Jin-Woo’s Very First Skill Remains a Mystery

- Jin-Woo has no access to his Unknown Passive Skill.
- Jin-Woo doesn’t know how to unlock his Unknown Passive Skill.
Even after becoming a player in the System, one of Sung Jin-Woo’s passive skills remains inaccessible. The System still lists this skill as “Unknown,” but Jin-Woo doesn’t seem concerned with discovering what it is right now. He’s simply too busy with his demanding schedule, important tasks, and ongoing battles that require his full focus.
Because of this, viewers are curious about what this hidden ability might be and why it hasn’t been unlocked yet. The first two seasons of Solo Leveling didn’t offer much detail about Jin-Woo’s unknown passive skill, which has left fans both puzzled and eager to find out when, where, and how it will be shown. After all, this is a vital upgrade that could help Jin-Woo win his battles, potentially increasing his strength to an entirely new level.

I’m so excited! Jin-Woo just hit level 100 on Jeju Island, but there’s this one passive skill that’s still locked, and it’s really got me thinking. It seems like just leveling up isn’t enough to unlock it – the system might be waiting for him to complete some specific challenge or quest first. Honestly, I have a feeling this unknown skill could end up being the most powerful one he has! I’m on the edge of my seat to find out what it is and how it will change everything. You can find more details about his journey here, if you’re interested.
Jin-Woo’s Unknown Skill Requires Two Important Things
Jin-Woo Will Receive the First Requirement in Season 3

According to the story of the Solo Leveling manhwa, Sung Jin-Woo’s Unknown Passive Skill has two requirements that must be met. One of these requirements will be shown in Solo Leveling Season 3, assuming the Double Dungeon story arc is fully adapted.
During Jin-Woo’s return to the Cartenon Temple, he will successfully navigate the double dungeon, overcoming the creator of the System and obtaining a crucial item from the Shadow Monarch, Ashborn. This item will prove vital in unlocking Jin-Woo’s Unknown Passive skill, acting as a representation of Ashborn’s intentions and confirmation that Jin-Woo is worthy of becoming the next Shadow Monarch. More details are available here.
The System uses me, and I use the System.—Sung Jin-Woo
Following in the footsteps of the Shadow Monarch, Jin-Woo is predicted to eventually gain the Unknown Passive Skill, though fans may have to wait a bit for this to happen. While everyone is eager to learn more about this mysterious ability, it likely won’t be revealed next season. However, when Jin-Woo does unlock it, expect a significant increase in his power – it will likely be a turning point in his most important fight.
Jin-Woo Will Unlock His Strongest Unknown Skill Eventually
Jin-Woo Will Embrace the Full Power of the Shadow Monarch

As we’ve discussed, Jin-Woo is fated to eventually reveal his hidden passive skill, and anime viewers will need to be patient to see it happen. Readers of the manhwa have already nicknamed Jin-Woo’s mysterious ability “Evolution,” which is a perfect title because it signifies Jin-Woo’s complete change into the Shadow Monarch, allowing him to overcome all the restrictions the System previously imposed on him.
Right now, it seems Jin-Woo’s body isn’t strong enough to fully accept the power of the Shadow Monarch, even though the System has been preparing him throughout the last two seasons of Solo Leveling. He’ll need more challenges and close calls before he can control such incredible power, but each battle he wins gets him closer to fulfilling his fate.
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2025-09-29 18:34