It could be Sasuke. If Sasuke continues to pursue his own vendetta in a more extreme way and Naruto's attempts to bring him back fail, Sasuke could become the main antagonist. Their rivalry could turn into a full - blown battle for power and ideology, with Naruto being pushed to his limits and potentially turning dark in the process of trying to stop Sasuke.
Another plot could involve Naruto being influenced by a powerful and evil entity. This entity could be a new, powerful villain who manages to corrupt Naruto's mind. It could start with small suggestions that gradually change Naruto's perspective. As he becomes more and more influenced, his actions start to become more self - centered and less about protecting the village and more about achieving his own, perhaps twisted, goals.
The 'SWR Ezra Turns Dark' fanfiction might delve into the psychological aspects of Ezra. For example, it could show how his relationships with other characters change when he goes down this dark path. His actions might become more self - serving or even cruel. It's a way to explore the character in a new and often more complex light.
Well, in fanfiction, the Dark Phoenix turning good could be a complex and multi - faceted process. It might start with her being exposed to a different ideology, perhaps one of peace and unity. This could make her question her current state of being. Additionally, her powers could be used in a more positive way. For instance, instead of causing destruction, she could use them to heal or protect. The author might also explore her internal struggle between the dark and the good within her, and how she finally overcomes the dark side. This could involve her facing her past traumas and using them as a stepping stone towards becoming a better version of herself.
Obviously, Harry himself is the central character. Hermione and Ron are also often present. In some stories, they try to save Harry from the darkness, while in others, they become his enemies as he turns dark. Dumbledore may also play a significant role, either trying to guide Harry back to the light or being unable to stop his descent into darkness.
One common element in the Sonic turns into Dark Sonic fanfiction could be the role of antagonists. They might have a hand in triggering this transformation. For example, by manipulating Sonic's emotions or by using some sort of dark magic. Once Sonic becomes Dark Sonic, his relationships with his friends like Tails and Knuckles also change. His friends may try to bring him back to his normal self, which can create a lot of drama and action in the fanfiction.
In Naruto fanfiction, the concept of turning guys into girls can be a really interesting and creative idea. It might be used to explore different aspects of the characters. For example, it could show how a male character would adapt to the challenges and experiences that female characters typically face in the Naruto world. It could also be a way to add a new dynamic to relationships between characters.
I haven't heard of a fanfiction where Kyuubi turns Naruto into a futa. Naruto fanfiction often focuses on things like character development, new adventures, or different power - up scenarios. This concept is rather unorthodox and might not be as common as more mainstream fanfiction ideas. It's possible that it exists in some corner of the vast fanfiction universe, but it would take some serious searching to find it.
One possible scenario in this fanfiction could be that Naruto uses some sort of jutsu accidentally. Maybe he was trying out a new technique and it misfired, turning Kiba into a girl. In fanfiction, this could lead to a lot of humorous situations. For example, Kiba, now as a girl, might struggle with how to act or how to deal with the reactions of his friends like Shino and Akamaru. Also, Naruto would likely feel really guilty and try to find a way to reverse the transformation as soon as possible.
One possibility could be that Naruto's transformation into a Ninetails Pokemon gives him new and unexpected powers. Maybe he can use Pokemon - style moves like Flamethrower which is similar to the Ninetails' fire - based attacks in the Naruto world. His friends might be both amazed and a bit confused at first, not sure how to interact with this new form of Naruto.