Well, the plot could involve Naruto having the powers of a frost demon. Maybe he discovers this hidden power within him during a difficult battle. He then has to learn to control it, which could be a struggle as his normal ninja skills are so different. His friends might be initially scared or confused by this new side of him.
In a Naruto is a frost demon fanfiction, the plot could start with Naruto being cursed or transformed into a frost demon. This transformation could be linked to an ancient jutsu gone wrong. As a frost demon, he'd have to deal with the cold nature of his new form, both literally and figuratively. His relationships with Sasuke and Sakura would change as he tries to adapt and find a way to reverse the transformation if possible.
The plot might center around Naruto being an outcast because he's a frost demon. In the Naruto world, this would be something very strange and powerful. He could be hunted by those who fear his power or want to use it for evil. He'd have to fight against these forces while also trying to prove that he's still the same Naruto at heart.
Well, it might be about a scenario where Killer Frost visits Naruto's world. She's a bit of an outcast there at first because of her powers and cold demeanor. Naruto, being Naruto, tries to befriend her. They then go on adventures together, and Killer Frost starts to learn about the concept of friendship from Naruto, which is very different from what she's used to in her own world.
Maybe Naruto accidentally stumbles upon a crossroads where a demon resides. The demon offers him a deal, like giving him ultimate power in exchange for his soul. Naruto, being Naruto, might consider it for the sake of protecting his friends and the village.
One possible plot could be that Naruto is exposed to a powerful and dark jutsu that slowly turns him into a demon. As he transforms, he has to struggle with his new nature. His friends initially fear him but then try to find a way to reverse the process.
One possible plot could be that Demon Naruto, with his newfound demonic powers, is shunned by the village. Shizune, being a kind - hearted person, tries to understand him. She might see that beneath his demonic exterior, Naruto is still the same boy with a good heart. So she could try to help him control his powers and regain the trust of the village.
Well, it could be about Naruto forming an alliance with a demon army. Maybe they come together to fight a common, greater evil that threatens the ninja world. The demons might have unique powers that Naruto and his friends need to learn to use effectively in battle.
One possible plot could be that Naruto discovers his connection to Jack Frost during a strange winter in Konoha. Maybe he starts to have abilities related to ice and snow, like creating ice clones instead of shadow clones. His friends would be both amazed and a bit worried as they don't know how to handle this new side of Naruto.
In this fanfiction, perhaps Naruto is isolated from the human village. He might have a different view of the world compared to the original Naruto. The demon foxes could teach him their own form of ninjutsu, which is more primal and raw. This would lead to him having a very distinct fighting style when he finally interacts with other ninjas.
Maybe Naruto discovers that the demon lords are planning to attack Konoha. So, he decides to take the fight to them. He uses his shadow clone jutsu to outnumber the demon lords and then uses his Rasengan or other powerful jutsus to defeat them one by one.
One interesting Naruto Frost Demon fanfiction could be about a character with Frost Demon powers arriving in the Naruto world and having to adapt to its ninja culture. They might face challenges like hiding their powers at first and then using them in unique ways to fight enemies. For example, they could use ice - based attacks in a different style compared to the existing jutsu in the Naruto universe.
The plot might be centered around Naruto trying to reform Sabertooth. As the Demon King, he could use his charisma and power to change the guild's somewhat rough reputation. He'd probably have to deal with internal power struggles within the guild while also facing external threats. His ability to make friends and allies would be key in this new environment.