16 Anime Characters With Uncontrollable Powers

Even the coolest superpowers in the world have a downside if the user can't control them. In fact, many anime characters who can't control their power would rather be weaker than they actually are, because then at least they wouldn't be a danger to themselves and others. For many of these characters, gaining control over their abilities is the most important thing in their lives. 

Who are some of the best anime characters with uncontrollable powers? One particularly interesting one is Shizu from That Time I Got Reincarnated as a Slime. Shizu's body hosts Ifrit, a fire demon who occasionally takes over her body and forces her to commit atrocities. As she grows older, she loses more and more control. There's also Izuku Midoriya from My Hero Academia, whose incredible energy storing power One For All destroys his body every time he tries to use it - at least, that is, until he masters his abilities. 

Who is your favorite character with unbridled power? Vote them up to let the world know what you think.


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    Every character who has a tailed beast implanted in their body struggles to control its power to some degree, but Gaara's case is one of the most dramatic. Gaara was forced to become the carrier for the One-Tails, a raccoon-like beast with monstrous sand-based abilities, while he was in utero. As a result, he was born prematurely, and his mother passed away after giving birth to him. He grew up almost totally unable to control the One-Tails, who would routinely terrorize the town. In fact, one of the only effective countermeasures was to stop sleeping - if he fell asleep, it would go on a rampage.

    Because Gaara was so dangerous to be around, his father ended up sending assassins after him. Gaara became so miserable that he started to take pleasure in the carnage. While he had gained greater control over the One-Tails, he used it to do more damage, not less. It was only after meeting Naruto that he began to value human life, and began to use the One-Tails power in a positive way. He still can't go to sleep, though.

  • When she's first introduced, Juvia Lockser appears to have little control over her water powers. Rather than being able to turn them on at will, they're constantly active. As a result, she spent most of her life under constant rainfall. Because her powers are influenced by her emotions, she is eventually able to rein them in after meeting Team Natsu and experiencing true happiness for the first time. Once she's happy, the rain stops, and she finally experiences sunlight. 

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    Eri - 'My Hero Academia'

    Eri - 'My Hero Academia'
    Photo: Bones

    Eri has one of the most powerful quirks in the series but it comes with a high price. Her quirk, Rewind, allows her to reverse any living being back to its previous state. For example, she can undo bodily injuries. But her powers are so strong that she can even reverse someone to a point before they existed, essentially erasing them forever. This tragically happened to her father when Eri was just a little girl. She has no control over her quirk as she's unable to activate or deactivate it on her own.

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    Shizu - 'That Time I Got Reincarnated As A Slime'

    Shizu - 'That Time I Got Reincarnated As A Slime'
    Photo: 8bit

    After being summoned from 1940s Japan to a magical world, Shizu is forcibly possessed by Ifrit, a fire demon. This grants her the ability to use fire in combat, but it also means that she doesn't always get a choice about how those powers are used. For example, she's forced to eliminate anyone who slightly threatens the man who summoned her, even a little girl holding a mildly irritated animal. What's more, Ifrit can sometimes take full control of her body, forcing her to transform into him and go on a rampage. These lapses become more frequent as Shizu ages, forcing her to isolate herself.