Sometimes doing the right thing means going over to the dark side.

Such is the case for these characters who wish for a better world, that will unfortunately require some bloodshed to bring about. In order to levy justice on the evil, these characters are willing to go against the flow and fight for what they believe is right. It's not easy, but it's what must be done.

10. Maoh Juvenile Remix

Andou plans to take advantadge of his ability in order to do what he thinks is best.

Andou is a highschool student with the power to make anyone within a 30-step radius say what they’re thinking out loud. He plans to use his ability to counter Inukai, the leader of the vigilante group Grasshopper, once he discovers Inukai’s inhumane, behind the scenes activities. However, Inukai isn’t the only enemy he has to look out for.

You'll like Maoh Juvenile Remix if…

• You like characters with supernatural abilities
• You like manga with surprising plot twists
• You like manga with assassins and hitmen

9. Ubel Blatt

Revenge is a dish best served with a sword.

Ascheriit, formerly Koinzell, was a prestigious swordsman chosen by the ruling emperor to embark with 13 others on a dangerous quest. Though the task was daunting, Ascheriit and three of his companions that did not falter at the challenge succeeded, only to be sabotaged by seven of the 14 who sought to claim all the glory for themselves. Ascheriit, having survived the onslaught, thus vowed to take revenge and inspire fear.

You’ll like Ubel Blatt if…

• You like dark fantasy
• You like gore and violence
• You like characters driven by revenge

8. Ajin

As Kei enters a world of conflict against his will, he begins to question where should his loyalties lie.

Kei Nagai is killed in a traffic accident only to find himself brought back to life almost immediately. His unnatural regenerative abilities mark him as an Ajin, a demi human whose species have a rocky relationship with humans. Though it’s the last thing he wants to do, in order to guarantee his safety from the government, Kei agrees to participate in the Ajin-human conflict that appears to be walking in the direction of war.

You’ll like Ajin if…

• You like horror and supernatural themes
• You like mystery and drama
• You like gore

7. Akame ga Kill

The only way to purge the government of corruption is to kill all the wrongdoers involved.

Tatsumi was ignorant of the capital’s corruption until he visited there himself while searching for work. After being exposed to the evil within the heart of the country, Tatsumi joins forces with Night Raid, a group that plans to cleanse the country by getting rid of the officials in charge of it. However, the country’s military is far from weak, and the rulers are determined to hold onto their power for as long as possible.

You’ll like Akame ga Kill if…

• You like intense action sequences
• You like gory and dark manga
• You like manga with assassins

6. Overlord

As his powers grow, his humanity dwindles away.

Momonga is the last member left in his guild in the online role playing game YGGDRASIL. When the time arrives for the game to be shut down, he accepts it with sad resignation. However, rather than the game disappearing it appears that he was transported into the game as his avatar, a massive and near omnipotent skeletal being. Momonga is on the hunt for fellow real humans, but as he journeys as a nigh invincible being, he will find it harder and harder to hold onto his humanity.

You’ll like Overlord if…

• You like isekai manga
• You like fantasy and adventure
• You like supernatural elements

5. Akumetsu

When corruption has gone too far, protestors take it upon themselves to make things right.

It is a time of economic unrest in Japan, thanks to the corrupt politicians and businessmen who are running the country. In order to support her family after her father’s company’s bankruptcy, Shiina Nagasawa makes the decision to enter the world of prostitution. On her first night on the job, however, a masked man she recognizes as a classmate appears and brutally murders the head of the party after giving a speech calling out the government. More and more of these violent murderings of powerful people by masked vigilantes begin to occur, and the question arises what exactly is evil?

You’ll like Akumetsu if…

• You like thought provoking stories
• You like realistic characters
• You like action-packed manga

4. Hellsing

Though he's doing good by killing Nazi's the way he goes about it is quesitonable.

Alucard is an ancient and powerful vampire who's sworn loyalty to the leader of the Hellsing organization. A series of events leads to the discovery that a Nazi group has plans to make a comeback, and they are dead set on destroying Alucard. It’s up to the almighty vampire to take down these villains who if left unchecked, will wreck havoc upon the country.

You’ll like Hellsing if…

• You like vampires
• You like historical settings
• You like blood, gore, and action

3. Tokyo Ghoul

Ken wants to do what he can for both humans and ghouls, but that's easier said than done.

Ken Kaneki was an average university student until an unfortunate accident turned him into a half ghoul, and now he must eat his fellow humans in order to survive. Ken is helped with transitioning into his new life by some of his city’s friendly ghouls, but not all ghouls are eager to welcome him into their society. His life is soon thrown into chaos as he finds himself caught up in a conflict between an organization dedicated to fighting ghouls and his new friends. To make matters worse, he has also become the target of ghouls from all over Tokyo.

You’ll like Tokyo Ghoul if…

• You like ghouls
• You like gore
• You like realistic characters

2. Attack on Titan

Fueld by his need for revenge, Eren's anger pushes him forward.

In a world where giant, humanoid creatures called Titans roam unrestrained, humanity has sealed itself behind walls in an attempt to protect the remaining survivors. Eren Yeager, Mikasa Ackerman, and Armin Arlert are children who dream of the world beyond the walls, but the trio is in for a harsh awakening to the cruel realities of the world when a wall is broken and titans enter, bringing about mass destruction. On that day, Eren swears that he’ll do whatever it takes to wipe out every last titan.

You’ll like Attack on Titan if…

• You like gore and death
• You like intense action
• You like post apocalyptic worlds

1. Death Note

Some think Light is taking justice too far by declaring himself the judge, the jury, and the executioner.

Light Yagami is an exemplary high school student who just so happened to find a Death Note dropped by Ryuk, a god of death. Inside the notebook is a list of rules on how to use it and what it does, which is kill those whose names are written in it. At first, Light was skeptical, but when it’s proven to work, Light realizes that the Death Note can be used to change the world. He adopts the alias “Kira” and decides that he will levy justice and execute criminals with the Death Note. This doesn’t sit well with everyone, and so brought in is the genius detective L. The superior intelligence of Light and L are put to the test as genius battles genius.

You will like Death Note if…

• You like mystery
• You like strategizing
• You like villainous main characters

You may also be interested in:

• Top 15 Dark Fantasy Manga of All Time 
• Top 15 Best Post Apocalyptic Manga
• The 15 Best Horror Mangas Loved by Millions Worldwide