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15 Anime Where The Protagonist Is Impossible To Defeat

Updated September 13, 2021 4.4k votes 771 voters 30.5k views15 items

If you ever get transported to one of these anime, make sure you're on the side of the protagonists. You definitely don't want to go up against any of them, because the main characters on this list are virtually impossible to defeat.

There's Alucard, the superpowered vampire/vampire hunter from Hellsing. There's Rimuru Tempest of That Time I Got Reincarnated as a Slime, who started off as a powerless slime before ramping up his power so far that he became nearly unbeatable. And of course, there's Saitama, who gained the ability to wipe out anybody with a single punch after a comprehensive workout program.

These characters, and others like them, are proof that supreme power doesn't mean a lack of stakes or conflict. These high-powered characters build tension not by whether they'll defeat their opponents - they probably will - but by what outlandish ability they'll use to do it. Vote up the shows that excite you the most. 

  • Photo: Gonzo

    Hellsing's protagonist is a superpowered vampire who doubles as a vampire hunter. He's the strongest being in the Hellsing Organization and might be the only reason the world hasn't been totally taken over by more vicious vampires who mean humanity harm. He's immortal, super strong, capable of walking through walls, reading minds, and manipulating everything from his own blood to the weather. Humanity is lucky to have him on their side.

    Impossible to defeat?
  • After being reincarnated into a baby in a fantasy world, Shin Wolford is raised by Merlin, a retired magical hero. Shin's powers far exceed anyone's expectations, but unfortunately, his understanding of societal norms is lacking. In order to brush up on his social skills and hone his significant powers, he begins attending Magic Academy. There, he learns multiple elemental techniques, dimensional manipulation, flight, healing, several spells, martial arts, and more. 

    Impossible to defeat?
  • Photo: Madhouse

    When Tatsuya Shiba applies to First High School, his entrance exam scores are low enough to get him sorted into the 'Second Class.' This, among other factors, creates a false impression that he's lacking in magical prowess. He's not - in fact, he's stronger than just about anybody else in the series. Using a spell called Elemental Sight, he can perceive matter at its base form, and then use Decomposition to break it apart. If he didn't want it to be destroyed anymore, all he'd have to do is use Regrowth.

    With those skills alone, he's already basically Overlord from MHA, but his powers don't end there - not even close. Combine this with the artificial magical system that his family implanted in his mind in the hopes of improving his abilities, and the magic he'd gain later, it's clear that he's much stronger than anyone gives him credit for. 

    Impossible to defeat?
  • Photo: Madhouse

    You probably could take Sora and Shiro in a physical fight, but in the world of Disboard, all that matters is the ability to win complicated games. By combining Sora's limitless memory with Shiro's computer-like computational abilities, the two can win just about any game they encounter - including those with sky-high stakes like their own lives or the fate of Imanity (humankind in the world of Disboard). This anime is a great choice if you're looking for OP heroes who decide their fights with less violence and more strategy. 

    Impossible to defeat?