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Top 25 Best Underrated Action Anime

 Kay SebastianKay-Updated June 4, 2022


underrated action anime

 

Action is one of the most popular genres in all of entertainment.

 

And anime is no exception to it. The medium offers a ton of incredible series with mind-blowing fights and combats.

 

However, amongst all these anime, a few shows remain unnoticed by us.

 

And therefore, to shed some light on the hidden gems, I have created the Top 25 Best Underrated Action Anime List.

 

These are some of the shows that action enthusiasts will love but may not be aware of.

 

So grab your favorite sword, lay down on your couch and let's dive deep into some slice and dice.

 

I hope you enjoy it.

 

 

25. Hellsing

 

Hellsing

 

Entity Detail
Title Hellsing
Type TV
Studios Gonzo
Premiered Oct 11, 2001 to Jan 17, 2002
Source Manga
MAL Score 7.491
Duration 23 min. per ep.

 

Hellsing deals with a lot of murder and action. This is why it deserves more love and attention.

 

The series talks about an organization called Hellsing. The reason for the existence of this organization is to ensure the demise of creatures who aren't human.

 

In other words, Hellsing is to take care of Vampires.

 

With that in mind, the leader of the Hellsing group, dispatches his incredible weapon, in order to take care of a vampire in a said town.

 

This vampire has been reported to turn villagers into Ghouls.

 

And to put an end to his actions and drama, Alucard has been brought to the battlefield.

 

However, Alucard is no simple man. He is a vampire himself, working to annihilate his own species.

 

And he has good reasons for his actions as well.

 

 

 

24. Trigun

 

Trigun

 

Entity Detail
Title Trigun
Type TV
Studios Madhouse
Premiered Apr 1, 1998 to Sep 30, 1998
Source Manga
MAL Score 8.231
Duration 24 min. per ep.

 

Known to be extremely well animated and choreographed, we have Trigun.

 

This is one of the anime from Madhouse's peak era.

 

So make sure that you watch it properly. Trigun talks about a man named Vash.

 

And this man has a massive bounty on his head. 60 Billion to be exact.

 

And such a massive amount is placed on one person because he has been renowned for causing mass destruction and terror among the general public.

 

And his actions have led to the end of multiple individuals.

 

Or so people think. However, according to Vash himself, he is just a normal guy who isn't going to take any life at all and is 1000s of steps away from violence.

 

What exactly is going on for Vash?

 

 

 

23. Accel World

 

Accel World

 

Entity Detail
Title Accel World
Type TV
Studios Sunrise
Premiered Apr 7, 2012 to Sep 22, 2012
Source Light novel
MAL Score 7.281
Duration 24 min. per ep.

 

This anime talks about a guy named Haruyuki Arita. He is a fat, bullied, normie kid whose existence is quite painful to watch in the series.

 

However, the one thing he is exceptional at is games.

 

And so, he gets to take part in a game called Brain Burst.

 

The student council vice president Kuroyukihime, asks for his help and in exchange, takes care of all the bullies in his life.

 

Things work out and now Haruyuki has to fight against some of the strongest villains in the Brain Burst in order to attain the girl's objective.

 

And they will both strive together to know who created this game.

 

And what was the purpose of this game's creation altogether?

 

This is going to be quite an interesting journey.

 

 

 

22. Ao no Exorcist: Kyoto Fujouou-hen

 

Ao no Exorcist: Kyoto Fujouou-hen

 

Entity Detail
Title Ao no Exorcist: Kyoto Fujouou-hen
Type TV
Studios A-1 Pictures
Premiered Jan 7, 2017 to Mar 25, 2017
Source Manga
MAL Score 7.391
Duration 24 min. per ep.

 

This is part of the Blue Exorcist series. However, this segment goes quite unnoticed and so, deserves to gain more recognition from fans.

 

It talks about the members of the True Cross Academy coming across the fact that Rin is Satan's son.

 

However, soon enough, the series takes an interesting turn and the eye of a strong demon is lost and said to be stolen.

 

Moreover, another incident of theft seems to be happening and now Rin must work with the ExWire members in order to gain access to the victim of all these thefts.

 

And once he does, he would have no other choice but to deal with the demons himself.

 

And all this while, Rin didn't have a word with his group.

 

 

 

21. Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka II

 

Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka II

 

Entity Detail
Title Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka II
Type TV
Studios J.C.Staff
Premiered Jul 13, 2019 to Sep 28, 2019
Source Light novel
MAL Score 7.231
Duration 24 min. per ep.

 

This is the second season of the popular Isekai series, Is It Wrong To Pick Up Girls In A Dungeon?

 

This segment was released in 2019. And so, it has a new narrative and story exposition against the old one.

 

However, the basic premise still remains the same. Our main character will be an adventurer who is going from One Dungeon to another in order to fight his opponents.

 

However, every time he enters a dungeon, new and unforeseen problems arrive.

 

He has to take care of all of them while also being strong with his fellow members of the guild.

 

It's a standard narrative for an Isekai series. However, the execution makes it a lot more remarkable and outstanding.

 

 

 

20. Toaru Majutsu no Index

 

Toaru Majutsu no Index

 

Entity Detail
Title Toaru Majutsu no Index
Type TV
Studios J.C.Staff
Premiered Oct 5, 2008 to Mar 19, 2009
Source Light novel
MAL Score 7.411
Duration 23 min. per ep.

 

Coming in from the Toaru Series, we have Toaru Majutsu no Index.

 

This entry is called A Certain Magical Index in the English translation.

 

The anime deals with magic, espers, and science. So it is quite complex in a way or so.

 

It talks about a world where science has advanced immensely in Japan.

 

And a lot of the population of Japan seems to have developed Espers as well.

 

These espers now study in institutes to get a better grasp on their powers.

 

One of them is Touma Kamijou. And this man seems to be at the lowest of the ranks.

 

However, he has a special power under his belt. And using that power, he is going to save an important companion of his who just can't be saved otherwise.

 

 

 

19. Banana Fish

 

Banana Fish

 

Entity Detail
Title Banana Fish
Type TV
Studios MAPPA
Premiered Jul 6, 2018 to Dec 21, 2018
Source Manga
MAL Score 8.501
Duration 22 min. per ep.

 

The series is about Mafia, murder, and love between guys.

 

Therefore, girls might very well be super interested in this show.

 

The anime talks about a guy named Ash Lynx who was raised by a Mafia Don.

 

However, Ash doesn't seem to be all that interested in the illegal work and so, he decides to investigate something instead.

 

He looks for Banana Fish, which is a concept that seems to have its roots in the Iraq War.

 

And in the process of finding the Banana Fish, Ash comes across a man named Eiji.

 

Now, Eiji and Ash have got together and soon enough, will be facing a ton of problems together as well.

 

This duo is going to be incredible. And you will love them for sure.

 

 

 

18. K Project

 

K

 

Yeah. That's the title. Don't question it. K is a story where the concept of Kings takes place.

 

Now, what are Kings? These are individuals who have unreal powers in their grasp.

 

And these unreal powers aren't basic like strength or speed.

 

They are supernatural in nature which explains why they are so lethal and captivating, to begin with.

 

The series dives into the complexity of this narrative and focuses on safeguarding all the individuals who are part of it.

 

The kings are going to have a rough time if they don't have their ties all cleaned up.

 

And as the show progresses, various kings end up going against each other for the sake of survival.

 

 

 

17. Kami no Tou

 

Kami no Tou

 

Entity Detail
Title Kami no Tou
Type TV
Studios Telecom Animation Film
Premiered Apr 2, 2020 to Jun 25, 2020
Source Web manga
MAL Score 7.601
Duration 23 min. per ep.

 

This anime is inspired by a Korean manga. And that's a matter of pride for quite a lot of fans.

 

The series is called Tower Of God. And it talks about a guy who is going to have a rough time climbing a tower.

 

This guy is named Bam. And he is chosen to be the one who has the opportunity to climb to the top of this tower and attain what lies above it.

 

And that is the power to have any of his wishes and desires come true.

 

In the process, Bam is going to make a ton of new friends and some unforeseen enemies.

 

And this will make the entire experience quite captivating and revolutionary for the viewers as well as for our boy Bam.

 

I hope you give this anime a try.

 

 

 

16. Zero no Tsukaima

 

Zero no Tsukaima

 

Entity Detail
Title Zero no Tsukaima
Type TV
Studios J.C.Staff
Premiered Jul 3, 2006 to Sep 25, 2006
Source Light novel
MAL Score 7.291
Duration 23 min. per ep.

 

This anime is set in the other world. And to a certain degree, it can be classified as an Isekai.

 

However, the show is much different than the typical ones.

 

It talks about a mage whose skills are quite terrible and is known for being one of the worst amongst her peers.

 

One day, the mage is assigned the task of selecting a person from the otherworld to assist her in her actions.

 

And so, the show takes the turn of a young man from Japan, being part of this loser girl's team.

 

Now, they both are together and all they can do is try their best and not ridicule themselves in front of others.

 

However, this duo may have some chances to grow as well.

 

 

 

15. Gate: Jieitai Kanochi nite, Kaku Tatakaeri

 

Gate: Jieitai Kanochi nite, Kaku Tatakaeri

 

Entity Detail
Title Gate: Jieitai Kanochi nite, Kaku Tatakaeri
Type TV
Studios A-1 Pictures
Premiered Jul 4, 2015 to Sep 19, 2015
Source Light novel
MAL Score 7.721
Duration 23 min. per ep.

 

This is yet another Isekai anime that you should watch as soon as you can.

 

Because it is one of the good ones from the medium.

 

The show tells us about an Otaku and Officer named Youji Itami who experienced a weird phenomenon while attending a convention.

 

He realized that some gates have opened up that led to a different world.

 

Being the officer that he was, he decided to ensure public safety and focused on the people there.

 

The predicament is then resolved but now it is up to Itami and his accomplices to ensure why this gate appeared.

 

And get an idea of potential threats this portal has to offer.

 

The other side might be much more dangerous and captivating.

 

 

14. Tokyo Ghoul: re 2nd Season

 

Tokyo Ghoul:re 2nd Season

 

Entity Detail
Title Tokyo Ghoul:re 2nd Season
Type TV
Studios Studio Pierrot, Pierrot Plus
Premiered Oct 9, 2018 to Dec 25, 2018
Source Manga
MAL Score 6.361
Duration 24 min. per ep.

 

This franchise needs no introduction. However, the fandom really overlooks the action that this series specifically offers.

 

And so, it deserves a spot on this list. The show focuses on our boy Kaneki Ken who has given up on his humanity and has become a lethal ghoul altogether.

 

He becomes engaged with the Commission of Counter Ghouls and the power of this organization is crossing all the limits it could.

 

Soon enough, this organization is going to face a lot more challenges and so, our team is also going to be against a lot of other ghouls.

 

This is what Tokyo Ghoul Re is all about. The show gets quite messy with its action quite a lot of times.

 

And that's entertaining in its own way.

 

 

13. Fate/stay night: Unlimited Blade Works 2nd Season

 

Fate/stay night: Unlimited Blade Works 2nd Season

 

Entity Detail
Title Fate/stay night: Unlimited Blade Works 2nd Season
Type TV
Studios ufotable
Premiered Apr 5, 2015 to Jun 28, 2015
Source Visual novel
MAL Score 8.331
Duration 24 min. per ep.

 

Coming in from the Fate series, we have Fate/stay night: Unlimited Blade Works 2nd Season.

 

This show is known for being complex so let me give you a general idea.

 

A war is going on. This war is called the Holy Grail War.

 

And in this war, multiple groups of people are participating.

 

Why? Because the war has a grand prize. The grand prize is the access to resolving any wish that the winner has.

 

This war is known for being extremely deadly and brutal.

 

And it is to such ultimates that there has never been a winner of this war before.

 

However, maybe, just maybe, this time will be different. And that's why this series' characters are going up against each other for the sake of that one wish.

 

 

12. Akira

 

Akira

 

Entity Detail
Title Akira
Type Movie
Studios Tokyo Movie Shinsha
Premiered 1988-07-16
Source Manga
MAL Score 8.161
Duration 2 hr. 4 min.

 

Akira is all about sci-fi and drama. And this is what makes it so special in the first place.

 

Akira talks about a guy named Shoutarou who lives in NeoTokyo, a place that was made because of the aftermath of an incident that caused havoc.

 

This man is part of a group that is known for being the bad guys in the area.

 

Local riders and gangs that don't have anything to do other than roam around and mess with people.

 

His friend and rival, Tetsuo Shima seem to be missing for a few days.

 

And soon enough, Shoutarou realizes that Tetsuo has got himself involved in some insane activities.

 

And these activities make this anime and these characters so fascinating to watch and enjoy.

 

 

11. Trinity Seven

 

Trinity Seven

 

Entity Detail
Title Trinity Seven
Type TV
Studios Seven Arcs Pictures
Premiered Oct 8, 2014 to Dec 24, 2014
Source Manga
MAL Score 7.121
Duration 24 min. per ep.

 

The show is all about mass destruction but in a light-hearted way.

 

However, this is going to be rather interesting to see.

 

Trinity Seven focuses on Arata Kasuga who noticed his hometown shatter into dust right in front of his own eyes.

 

The scene was devastating and happened to take away everything that Arata had.

 

Moreover, using a book given to him by his old friend, Arata manages to recreate his world again.

 

But that world gets taken down by another being who asks Arata to hand over the book.

 

But he chooses some other alternative. He decides to become part of an academy that has certain students waiting for him.

 

And with the help of those students, he will be saving his town for good.

 

 

10. FLCL

 

FLCL

 

Entity Detail
Title FLCL
Type OVA
Studios Gainax, Production I.G
Premiered Apr 26, 2000 to Mar 16, 2001
Source Original
MAL Score 8.031
Duration 25 min. per ep.

 

This anime is just insane. And there's no denying that nothing can catch up to it.

 

The show talks about a guy whose brother has gone out to another country.

 

And so, his brother's girlfriend messes with him instead. And in the middle of this romance, we see a girl in a flying Vespa appear out of nowhere and start engaging herself with this boy as well.

 

Moreover, this boy is somehow able to summon a giant mech from the tip of his forehead and ends up getting a severe headache because of it.

 

And all of this is done under the span of just 6 episodes?

 

What? Yeah. If you are not into creatively mind-numbing works then don't watch this anime.

 

It will blow you up and shock you from the core.

 

 

9. Overlord

 

Overlord

 

Entity Detail
Title Overlord
Type TV
Studios Madhouse
Premiered Jul 7, 2015 to Sep 29, 2015
Source Light novel
MAL Score 7.931
Duration 24 min. per ep.

 

The show talks about a game that is in its final hours.

 

After 12, it will be gone for good and the servers won't work.

 

However, an enthusiast of the game is still playing it and doesn't seem to let go until the final second.

 

So the final second happens. And as you would expect, the unexpected happened.

 

The game didn't get close. Instead, this enthusiastic player somehow got inside the realms of the game.

 

And now he is the one who is supposed to live in this dimension.

 

His name is Momonga. And he is the Master of a dark guild in the game.

 

This dark guild is known as Ainz Ooal Gown. Many protagonists are heroes.

 

However, it is rare for a protagonist to be a villain.

 

 

8. Owari no Seraph

 

Owari no Seraph

 

Entity Detail
Title Owari no Seraph
Type TV
Studios Wit Studio
Premiered Apr 4, 2015 to Jun 20, 2015
Source Manga
MAL Score 7.491
Duration 23 min. per ep.

 

Dealing with the world of vampires and humans, we have Owari No Seraph.

 

The premise is simple. A virus broke out that took care of the majority of the human population.

 

However, the kids managed to be immune to the virus.

 

These kids were then taken in by vampires and kept as livestock for the sake of their blood.

 

However, our main character decides to escape this realm and return back to his original world.

 

But in order to do that, he must sneak out of the place.

 

And when he does, he ends up losing his family.

 

This is when Yuu decided to take revenge on these vampires and put an end to all of them.

 

And lucky for him, the surviving humans are also on the same mission.

 

 

7. Boruto: Naruto Next Generations

 

Boruto: Naruto Next Generations

 

Boruto doesn't deserve as much hate as it gets man.

 

It is time to shed some light on this show.

 

The anime is the sequel to the incredibly popular Naruto series.

 

However, since the Naruto franchise has a lot of nostalgic value added to it, the expectations for the series seem to skyrocket for all the fans.

 

And this has happened to the point that the Boruto anime isn't able to match it.

 

However, in the recent episodes of the anime, the show seems to make quite a lot of improvements.

 

And in terms of raw action, it is going quite strong and captivating.

 

This is why, if you are ignoring Boruto up until now, this might be a good time for you to pick it up.

 

 

6. Akatsuki no Yona

 

Akatsuki no Yona

 

Entity Detail
Title Akatsuki no Yona
Type TV
Studios Studio Pierrot
Premiered Oct 7, 2014 to Mar 24, 2015
Source Manga
MAL Score 8.041
Duration 24 min. per ep.

 

This anime talks about a girl who went from being the Princess of her Kingdom to an absolute Savage.

 

The show deals with a girl named Yona who was the Princess of her kingdom.

 

However, the King was killed by Tina's childhood crush. And later on, things start to get really messy between him and Yona.

 

Therefore, this fragile and weak princess takes the final bits of courage and leaves the town with her servant Hak.

 

And now, she is in search of the 4 dragons who will assist her in taking back her kingdom.

 

She is not going to stop no matter how difficult it gets.

 

And that's what makes her so impressive as a character and as a female protagonist.

 

Yona of the Dawn is quite a captivating show.

 

 

5. The God of High School

 

The God of High School

 

Entity Detail
Title The God of High School
Type TV
Studios MAPPA
Premiered Jul 6, 2020 to Sep 28, 2020
Source Web manga
MAL Score 7.051
Duration 23 min. per ep.

 

Just like Tower of God, this anime is also inspired by its Korean Comic counterpart.

 

And this time, it is a lot more action-focused. The show talks about a guy named Jin Mori who likes to fight.

 

A lot. And so, to have the fun of his life, he participates in a game called the God Of High School.

 

And in this game, the winner will have any of his wishes granted regardless of how outrageous it is.

 

However, such a competition will obviously invite some of the most insane fighters from the entire world.

 

And this is why this tournament is going to get very crazy, very soon.

 

The entire anime is just a tournament arc so action fans can take it as a feast.

 

 

4. Koutetsujou no Kabaneri

 

Koutetsujou no Kabaneri

 

Entity Detail
Title Koutetsujou no Kabaneri
Type TV
Studios Wit Studio
Premiered Apr 8, 2016 to Jul 1, 2016
Source Original
MAL Score 7.251
Duration 22 min. per ep.

 

This anime is known for being similar to Attack on Titan.

 

However, it manages to maintain its individuality very well. It talks about the main character who is afraid of a certain species named Kabane.

 

These Kabane are undead beings who are capable of some of the most inhumane things.

 

And although the current humanity is safe behind a set of walls, he is still afraid about the Kabane's existence.

 

And just as he expected, the Kabane infiltrated the only track that was available for people to have an idea of the outside world.

 

And thus begins the journey of our boy Ikoma to go up against these Kabane and put an end to them once and for all.

 

However, there might be someone else behind them as well.

 

 

3. Tensei shitara Slime Datta Ken

 

Tensei shitara Slime Datta Ken

 

Entity Detail
Title Tensei shitara Slime Datta Ken
Type TV
Studios 8bit
Premiered Oct 2, 2018 to Mar 19, 2019
Source Light novel
MAL Score 8.101
Duration 23 min. per ep.

 

The English title of this anime is "That time I got reincarnated as a Slime".

 

Pretty self-explanatory if you ask me. The show is genuinely what it calls itself.

 

It is about a man who got stabbed. However, instead of dying, he ended up in another world.

 

And now he is not a human anymore. He is a slime.

 

However, he has some of the most insane powers in the show.

 

And it is because of these powers that he manages to not only survive in this world but also create his own civilization in it.

 

This is the story of Rimuru Tempest and how he lives his life in another world as a mere slime.

 

And trust me, it is a million times more entertaining than it sounds on paper.

 

A brilliant anime altogether.

 

 

2. InuYasha

 

InuYasha

 

Entity Detail
Title InuYasha
Type TV
Studios Sunrise
Premiered Oct 16, 2000 to Sep 13, 2004
Source Manga
MAL Score 7.851
Duration 24 min. per ep.

 

InuYasha is a gem from the old days. And to be fair, it was quite popular back when it first aired.

 

However, now the show seems to be dying in popularity and so, it is time to bring some limelight to it.

 

The anime talks about a girl who is named Kagome Higurashi.

 

She was transported to the violent era of Japan. And here, she was blessed with a jewel that can make any wish come true.

 

However, during a battle, she ended up losing the shards of the jewel.

 

Now, she asks a guy named InuYasha and a few other people for help so that she can collect all the shards back and make sure that they don't go into the wrong hands.

 

And this is how it goes for the narrative of InuYasha.

 

 

1. High School DxD

 

High School DxD

 

Entity Detail
Title High School DxD
Type TV
Studios TNK
Premiered Jan 6, 2012 to Mar 23, 2012
Source Light novel
MAL Score 7.371
Duration 24 min. per ep.

 

This is one of the most renowned ecchi anime of all time.

 

However, it is quite underrated when it comes to action.

 

High School DxD talks about a perverted guy named Issei Hyoudou who got killed on his first date ever.

 

Yeah, my man had it bad. However, instead of dying, he is reincarnated as a devil.

 

And now he is part of the Gremory peerage. Rias Gremory, the King of the peerage, reincarnated him out of affection.

 

And now it is up to his duty to serve his master and achieve his own goals.

 

And Issei's own goals include things like becoming the Harem King.

 

Yeah, one of a kind indeed. However, why did his first date kill him?

 

And how is Rias, a seemingly normal human, a devil?

 

All the answers are hidden in the realm of High School DxD.

 

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