Well, perhaps a plotline where the character who is becoming a demon has to face off against traditional Naruto villains in a new and unexpected way. Since they are part demon, they might have access to powers that are different from the normal ninja abilities. This could lead to some really cool battles and strategic showdowns. Also, there could be a plotline about the character seeking a way to reverse the process of becoming a demon, leading to a journey to find a cure or some kind of ancient knowledge.
In 'becoming a demon naruto fanfic', a great plotline could be the character's inner conflict. On one hand, the new demonic powers offer strength and a sense of superiority. But on the other hand, it goes against the values of the ninja world they grew up in. They might be tempted by the power to do things they wouldn't normally do. And as they become more demon - like, they could start to be shunned by some in the village, which adds another layer of drama to the story.
One possible plotline could be the main character's struggle to control the new demonic powers while still maintaining their sense of self. For example, they might have to deal with sudden outbursts of power that attract unwanted attention in the Naruto world. Another plotline could involve the character's relationships changing. Their friends might be scared or suspicious of them at first, but over time come to accept and even rely on their new powers.
Another plotline might involve Naruto being ostracized by some in the village due to his half - demon nature. This could lead to him having to prove himself not only as a ninja but also as someone worthy of acceptance, despite his different heritage. He could form unexpected alliances with those who also feel like outcasts.
One interesting plotline could be Naruto helping Neji break free from the rigid ideas of his clan. Naruto's free - spirited nature could inspire Neji to see beyond the limitations set by the Hyuga clan's traditions.
One possible plotline could be Naruto struggling to control his new kitsune powers. For example, he might accidentally use them in the middle of the village, causing chaos and making the villagers even more afraid of him. Another could be that he uses his new form to outwit powerful enemies who were previously too strong for him.
One possible plotline could be that Naruto is cursed by a powerful dark jutsu during a battle. This jutsu slowly transforms him into a demon. As he changes, his friends initially try to find a way to reverse it. But Naruto starts to gain new powers that he must learn to control, and he has to struggle between his human side and the emerging demon nature.
Another plotline could involve how Naruto's relationships change. For example, his friendship with Sasuke might be affected as Sasuke could be either more wary or more intrigued by Naruto's new 'demon' aspect. His relationship with his teachers like Kakashi might also shift as they try to help him manage this new power.
One interesting plotline could be the exploration of the Demon of the Mist's backstory. Maybe it reveals how the demon came to be associated with the Mist Village in the first place. Another could be a story where a character has to face the inner demons inspired by the Demon of the Mist and overcome them through self - discovery and growth.
Maybe a plot where Naruto, through some magical accident, gets transported to a world full of demonesses who all see him as a potential mate. He then has to use his ninja skills and his kind heart to navigate this new world and the complex relationships within the harem. For example, he might have to fight in some demon battles to prove his worthiness to be in the harem.
One interesting plotline could be Naruto struggling to control his new wolf demon powers. He might accidentally lash out at his friends, creating a rift between them until he learns to master his abilities.
One possible plotline could be Naruto's inner struggle with his new 'demon' side while still maintaining his love for Hinata. Maybe his demon powers make him more protective of her in a way that's different from his normal self.
A possible plotline is a gender - bent Naruto having to prove herself in a male - dominated ninja society. She could form an all - female ninja team and take on missions that are typically thought to be for male - only teams. This would show her strength and determination in a different light compared to the original Naruto story.