Top 15 Epic Underrated Action Anime Gems Recommended

underrated action anime

Let’s just face it, when generally asked about Shonen Genre or action anime, the first thing that comes to people’s mind is the mainstream anime like Naruto, Bleach, and One Piece. The Mainstream anime overshadows a lot of action anime which is seriously underrated.

Most of the anime in the list are lesser known to people or just viewers couldn’t relate to the storyline. Whether in terms of nail-biting battle scenes, beautifully animated action sequences, or strategic battles these anime don’t lag in comparison to other mainstream anime. So here is my list of Top 15 underrated action anime that you must watch that are hidden gems.

15.Medaka Box

underrated action anime
AIREDApr 5, 2012 to Jun 21, 2012
GENREAction, Comedy

Imagine a box where you can drop your complaint letter and it will be resolved. That’s what exactly the utterly beautiful Medaka suggests as a student council president.

In the mission to eliminate the usual problems of students, Medaka discovers the supernatural events that taking place inside her School.

While facing the students with special powers known as abnormalities, the fight sequence becomes intense along with hand-to-hand combats.

14. Great Pretender

great pretender
AIREDJul 9, 2020 to Dec 17, 2020
GENREAction, adventure, Mystery

The con man gets conned, serves right? Yeah! It was hilarious. Great Pretender follows the life of Makoto Edamura who leads a life of crime due to his past events.

While conning a tourist named Laurent Thierry, his own hands get tied. Soon he joins Laurent in Los Angeles defending his title of Japan’s greatest conman.

But he gets caught in the mafia boss web and thus begins the turmoiled life of Makoto with lots of twists and turns that add edginess to the story.

13.Engage Kiss

Engage Kiss
AIREDJul 3, 2022 to Sep 25, 2022
GENREAction, Comedy, Romance

In terms of action, this anime is a hidden gem that people need to turn their eyes on. this isn’t the typical romance comedy anime that depicts the poster, don’t fall for it.

The story of Bayron City and the demons surrounding it brings our protagonist into the limelight. Shu Ogata eliminates the demon lurking outside the city while running an army, protecting the lives of the people inside.

The blend of action with romance element kept me hooked all the time, properly executed action scenes are surely an underrated action anime.

12. Samurai Flamenco

Samurai flamenco
AIREDOct 11, 2013 to Mar 28, 2014
GENREAction, Comedy

Well, They say, “A hero can be anyone, a random guy on the street or a guy in the cape.” With or without superpowers, Our guy Masayoshi Hazama goes onto the street for some heroic responsibilities.

Model by day profession and a hero by night Masayoshi also known as Samurai Flamenco brings justice at night. But he soon joins the police comrade in the journey and thus begins their adventure to bring justice.

With lots of plot twists and turns Samurai Flamenco contains the right amount of action. With its right amount of humor and heartfelt moments, I still believe people should look once into this underrated action anime.

11.High Card

AIRED Jan 9, 2023 to Mar 27, 2023
GENREAction, Fantasy

Being afraid of losing his orphanage to the Landlord, Young lad Finn strolls to steal from the rich gamblers from the casino and save his orphanage but unfortunate fate awaits at the doorstep.

Finn encounters an accident and realizes the cause of the accident is due to some superficial cards known as High cards. Those who possess it wield superpowers and alter the rules of the real world.

The showdown between the high card wielders resulted in epic combat scenes and action sequences though it didn’t catch the attention of the general audience, Glad it caught mine.

10.Seraph of the End

seraph of the end
AIREDApr 4, 2015 to Jun 20, 2015
GENREAction, Drama, Fantasy

In a world dominated by vampires and a virus that killed everyone above the age of 13, the rest of the surviving children are enslaved by the vampires.

Two of the rescuers Yuuichiro and Mikaela Hyakuya escape from the vampires but Mikaela doesn’t make it to the free world. Yuichiro founded by Moon Demon Company vows to eliminate the vampires for revenge.

The intense action scenes became my instant favourite with fluid-like animation and properly choreographed sequences. It has to be one of the most underrated action anime.

9.D.Gray Man

D.Gray man
AIREDOct 3, 2006 to Sep 30, 2008
GENREAction, Adventure, Fantasy

Welcome to the dark world where resurrected souls are trapped in the bodies of “Akuma” (mechanical Weapons) forever by the gigantic Millennium Earl, who wants the destruction of the world.

Enters the hero, Allan Walker whose right is an Anti-Akuma weapon and has a cursed eye that can see through the suffering soul in Akuma. Allan becomes the exorcist to free the souls by joining the Black Order organization.

The long-running shounen is far darker than the average shounen anime, with a tactical fight sequence the action scenes are worth watching the time.


AIREDOct 16, 2006 to Feb 5, 2008
GENREAction, Adventure, Supernatural

Revolving around the main hook of protecting one piece of land from the Demons. The protagonist Yoshimura Shumimura comes from a heritage line of Kekkaishi, the ability to eliminate Ayakashi demons.

As the Ayakshi demons constantly come to the human world to capture his mysterious school land, Yoshimura joined by his childhood friend, Tokine Yokimura protects the land at night from the creatures.

The lifelong mission to protect the land gives some immense fights with barrier techniques. The gem from the 2000s strikes great action sequences with amazing animation for that period in anime.


AIREDOct 16, 2006 to Feb 5, 2008
GENREAction, Adventure, Supernatural

I feel people seem to forget this anime does exist. Katanagatari is an immensely underrated action anime this time with unbelievable sword fighting scenes.

The story focuses on the Edo period of Japan, the period famous for sword fighting. The Protagonist Shicika Yasuri uses a secret sword fighting style known as Kyotouryuu, enabling him to use his body as a blade.

As Togame convinces Shichika to fetch the twelve legendary swords by master swordsmith Thus begins their journey.

The distinct combat combined with martial arts gives some fine-lined action scenes for the anime fans.

6.Black Lagoon

Black Lagoon
AIREDApr 9, 2006 to Jun 25, 2006

Cowboy Bebop Fans!!! Assemble. Leading a corporate life Rokurou Okajima gets kidnapped by a group of pirates in Thailand known as Black Lagoon.

Despite the dispute, Rokurou joins the group of Black Lagoon and becomes the new resident of the world of crime. As his new life and past life come into conflict Rokurou struggles in the crime world.

The crime world showcases an immeasurable amount of gunfights, boat chases, and hand-to-hand combats. The Dark Underworld series won’t disappoint your action requirements.


K project
AIREDOct 5, 2012 to Dec 28, 2012
GENREAction, Fantasy, Mystery

Ahh! How can a man deny a Tragic, dark, deep, and betrayal story? The Tale of Urban Fantasy where Kings with supernatural powers rule the territories and populate their clans.

Yashiro Isana gets caught in one of those clan members’ murders which leads to suspicion of Kings. Pursued by the gang leaders, Yashiro constantly tries to clear his name out of the murder.

Discovering his supernatural powers Yashiro faces enigmatic battles. With vibrant visuals and complex action sequences, K-project desperately falls under the underrated action anime category.


AIREDJul 7, 2015 to Sep 29, 2015
GENREAction, Adventure, Fantasy

Isekai anime often features some of the best action sequences which some shounen genre fails to deliver. Overlord becomes one of those Isekai anime to deliver admirable action scenes.

Following the virtual world game known as Yggdrasil is about to shut down but the hardcore gamer Suzuki Satoru remains logged in till its last breathing moment.

As the last moments arrive, the game doesn’t shut down and the NPC has gained their consciousness. The thin line between reality and virtual thins.

Satoru discovers the overlord and real people trapped in the game thus begins the battle of rescuing people and intense battle scenes.

3.Kabaneri of the Iron Fortress

kabaneri of the iron fortress
AIREDApr 8, 2016 to Jul 1, 2016
GENREAction, Fantasy, Horror

If you love Attack on Titan, I am sure you do so this anime Kabaneri of the Iron Fortress anime is for you. Packed with action scenes dwindling between Flesh eaters and Humans.

Set in a post-apocalyptic world humans live inside the four walls, afraid of Kabane the flesh eaters. However, the protagonist Ikoma gets beaten by Kabana and transforms into a hybrid wielding the power of Kabane.

As the battle to save the human race continues, the frightening action scenes, blood baths, and gore continue. The well-animated fight scenes go unnoticed by the general viewers making it one of the underrated action anime on the list.

2.Tokyo Ghoul

AIREDJul 4, 2014 to Sep 19, 2014
GENREAction, Horror, Fantasy

Ghouls blending into humans and devouring them, the primary premise of the anime excited many anime lovers but still, it didn’t get the attention it deserved.

The plot delves into the life of Kaneki in Tokyo where ghouls are a rising threat, blending into the population. As teen faces hormonal changes, so does Kaneki.

Kaneki goes on a first date but it turns out horrificly and turns him into a human ghoul. As Kaneki sticks to his human side it gets harder and ignites the conflict between ghouls.

The battle between ghouls is just mesmerizing to explain, if you haven’t be sure to check it out.


AIREDJul 4, 2014 to Sep 19, 2014
GENREAction, Horror, supernatural

The anime history presented us with multiple character sacrifices along with characters with doomed fates. But what saddened me the most is Hyakkimaru’s character in Dororo.

Unapologetically dark, Hyakkimaru’s father Lord Daigo barges into a deal with a demon and offers his unborn son’s body to prosper his land and kingdom.

Hyakkimaru is born without a body only with a skull, saved by a medicine man Hyakkimaru gains a prosthetic and lives a life to find the reason.

The sword fight between demons, Hyakkimaru, and the general people is just worth each second of your watch time. However people don’t value the gem. 


A voracious reader and anime nerd, always geeking about enormous metaphors hidden in Books and Anime. I am also trying to write my first book as well as enjoying sharing experience with an audience.

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