In the vast world of anime, it’s easy for some hidden gems to slip under the radar. While mainstream titles dominate conversations, there are countless underrated action anime that deserve your attention—especially if you’re a fan of overpowered protagonists (OPMC). These series combine thrilling battles, hilarious moments, and unique storytelling to deliver unforgettable experiences. Let’s dive into 10 underappreciated action anime with OPMC that you might have missed but absolutely shouldn’t overlook!
10. Demon Lord Retry!
Genres: Action, Fantasy
Imagine being an admin for a fantasy game one day and waking up as its demon lord the next. That’s Akira Ono’s reality in Demon Lord Retry! After chasing a random girl he thought was an NPC, Akira finds himself trapped in a chaotic medieval world filled with monsters, magic, and absurdity. This anime is self-aware, cringy, and hilariously over-the-top—a dumpster fire of creativity that somehow works. Watching Akira navigate his embarrassing yet oddly powerful predicament is pure comedy gold. If you love edgy teens turned accidental heroes, this show will hit all the right notes.
9. The Genius Prince’s Guide to Raising a Nation Out of Debt
Genres: Action, Comedy, Fantasy
Prince W isn’t your typical royal—he’d rather sell his kingdom than rule it. But when his lazy schemes accidentally save the day, things get interesting. The Genius Prince’s Guide to Raising a Nation Out of Debt blends political intrigue, humor, and clever strategy in a way that feels refreshingly original. Prince W’s laid-back approach to saving the world makes him one of the most entertaining OP protagonists out there. With charming characters and beautiful landscapes, this anime proves that running a kingdom doesn’t always require hustle culture.
8. High School Prodigies Have It Easy Even in Another World!
Genres: Action, Adventure, Fantasy
What happens when seven high school prodigies find themselves transported to a medieval fantasy world? Chaos—and lots of it. Led by the brilliant Sōsuke Mikogami, these teens must use their advanced knowledge without breaking the delicate balance of their new environment. The result? A mix of hilarious misunderstandings, adorable animal-eared companions, and jaw-dropping displays of intellect. This anime may not reinvent the wheel, but its lovable cast and creative premise make it a joy to watch.
7. Black Summoner
Genres: Action, Adventure, Fantasy
Kelvin trades his memories for insane powers and becomes an unstoppable force in Black Summoner . Paired with Melina, a literal goddess, Kelvin embarks on a journey full of epic battles, deep backstories, and laugh-out-loud moments. What sets this anime apart is its perfect blend of action and heart. Whether Kelvin is leveling up or trying not to embarrass himself in front of Melina, every episode delivers excitement and charm. For fans of isekai adventures, this one’s a must-watch.
6. Legendary Hero Is Dead!
Genres: Action, Comedy, Fantasy
When Thar Scott’s childhood friend Yuna is attacked by demons, legendary hero Cion Brandt swoops in like a budget Batman—only to die immediately. Cue Andry, Cion’s necromancer sidekick, who revives him… but now Cion’s soul is stuck inside Thar’s body. Hilarity ensues as Thar reluctantly takes on the mantle of hero. Legendary Hero Is Dead! knows exactly what it is: dumb fun done right. Its peaceful pacing allows viewers to fully immerse themselves in this quirky tale of redemption and teamwork.
5. My Isekai Life: I Gained a Second Character Class and Became the Strongest Sage in the World!
Genres: Action, Adventure, Fantasy
Yuji starts as the weakest class possible—a monster tamer—but quickly becomes an overpowered sage thanks to his slime army. Despite his newfound strength, Yuji tries to live a low-key life while navigating a dangerous new world. My Isekai Life leans into its absurdity, delivering laugh-out-loud moments alongside satisfying action sequences. Sure, the animation and sound effects can feel repetitive, but the sheer entertainment value more than makes up for it.
4. Helck
Genres: Action, Fantasy
In Helck , we meet HK, a human hero determined to become the Demon King. Vio, one of the Demon Lords, distrusts him but can’t deny his overwhelming power. As humans begin disappearing, tensions rise between the two factions. What sets Helck apart is its light-hearted take on a fantastical world, combined with sneaky world-building and comedic moments. HK’s charisma and strength make him a standout protagonist, ensuring this anime remains a hidden gem worth discovering.
3. The Unwanted Undead Adventurer
Genres: Action, Fantasy, Adventure
Ren Faina respawns as the weakest undead adventurer after being killed by a dragon. Determined to level up, Ren grinds monster XP like it’s an MMO RPG. His permanent skeleton form adds a layer of intrigue to his slow-burn journey. The Unwanted Undead Adventurer shines through its methodical pacing, allowing viewers to connect deeply with Ren’s struggles and triumphs. It’s a satisfying watch that rewards patience.
2. Maoyuu Maou Yuusha
Genres: Action, Romance, Fantasy
This anime flips the script by having the hero team up with the demon queen instead of fighting her. Together, they tackle real-world issues like economics, agriculture, and politics—all while saving the world from impending doom. Maoyuu Maou Yuusha masterfully blends fantasy with grounded concepts, creating a refreshing narrative that stands out among traditional action anime.
1. Skeleton Knight in Another World
Genres: Action, Fantasy, Isekai
Arc awakens in his favorite game as a skeleton knight and must adapt to his new life. From blending into towns to battling insanely strong foes, Arc’s journey is packed with wild situations and escalating stakes. Skeleton Knight in Another World balances solid action scenes with comedic interactions, offering a fresh take on the isekai genre. Its refusal to go full power fantasy keeps the story engaging and relatable.
Final Thoughts
These 10 underappreciated action anime with OPMC prove that greatness often hides beneath the surface. Each entry brings something unique to the table, whether it’s laugh-out-loud humor, gripping battles, or heartfelt character development. Did we miss any of your favorites? Share your thoughts in the comments below!
What did you think of our list? Let us know which anime resonated with you the most!