One plot idea could be that Naruto discovers his ice powers during a mission in a frozen tundra. He has to learn to control them quickly to survive against the enemies there. Another idea is that an enemy uses a dark jutsu on Naruto that gives him ice powers but also tries to corrupt him. Naruto has to fight against the corruption while learning to use his new powers for good.
Maybe Naruto's ice powers are a gift from a powerful spirit that he accidentally awakens. The spirit believes Naruto can use the powers to bring peace to the war - torn ninja world. However, there are those who fear Naruto's new powers and try to stop him. This leads to Naruto having to prove that his ice powers are not a threat but a means of salvation. He could use his powers in creative ways, like creating ice bridges to connect different villages, symbolizing unity.
A cool plot could be that Naruto's ice powers are linked to an ancient prophecy. As he tries to understand and master his powers, he uncovers secrets about the ninja world's past. He might also find out that there are other hidden ice - power users, and they form a sort of alliance to protect the world from a new threat that is vulnerable to ice attacks.
One idea could be that Percy discovers his ice powers during a dangerous mission. Maybe he's in a really hot and hostile environment, like a volcanic area, and suddenly his ice powers emerge to cool things down and save his friends. Another could be that he has to train with an ancient ice spirit to control his new powers. The spirit could be really strict and Percy has to learn discipline along with mastering his ice abilities.
One plot idea could be that Hermione discovers her ice powers during a dangerous adventure in a frozen tundra. She has to learn to control them quickly to save her friends from an ice - bound monster. Another could be that she uses her ice powers to create a magical ice fortress to protect Hogwarts from an impending dark magic attack. Or perhaps she is the only one with ice powers in a world where everyone else has fire - based magic, and she has to face discrimination until she proves the value of her unique powers.
A plot idea could be that a new character with smoke powers emerges and is initially feared because people don't understand their abilities. But as the story progresses, they use their powers for good, like rescuing villagers from fires by using the smoke to absorb the heat.
One interesting Naruto ice powers fanfiction could involve Sasuke somehow obtaining ice powers. Maybe through a forbidden jutsu experiment gone wrong, he now has the ability to create ice sculptures that can also be used as weapons. For example, he could make ice shurikens that are much more powerful than the normal ones and have a freezing effect on the opponent.
One idea could be a crossover where a character with ice - make abilities from Fairy Tail ends up in the Naruto universe. They could use their ice - make skills to help the Naruto characters in battles, like creating ice barriers to protect the Hidden Leaf Village from an attack. Another plot could involve a Naruto character discovering they have an ice - make - like kekkei genkai and has to learn to control it while facing challenges from enemies who fear this new power.
A cool plot could be that an ice ninja has the power to freeze time within ice. The Akatsuki wants to capture this ninja to use their power for their own evil plans. Naruto and his team must protect the ice ninja and figure out a way to stop the Akatsuki from getting their hands on this dangerous ability.
One idea could be a crossover where an Ice Devil Slayer from another dimension arrives in the Naruto world. They could team up with Naruto to fight against a new ice - based enemy that is freezing the land. This would bring a new element of magic to the Naruto universe.
Well, a really interesting plot idea might be that the Ice God Slayer comes from a different dimension where ice is the main source of power. In the Naruto world, they have to adapt to chakra. So, the story could be about how they balance their ice god slaying powers with chakra. Maybe there's a villain who wants to steal the Ice God Slayer's power to control both ice and chakra, and Naruto has to help stop this. Also, the Ice God Slayer could have a special bond with an ice - based creature in the Naruto world, like a rare ice fox, and they go on adventures together with Naruto.
One idea could be a dragon with fire powers being forced to team up with a dragon with ice powers to stop a common enemy in the Naruto universe. Maybe an ancient evil that can only be defeated by the combined forces of fire and ice. Another plot could involve a ninja who has a special connection to these dragons and has to learn to control their powers to protect their village.
Another plot could be that Naruto is possessed by a dark spirit that gives him incredible power but also makes him do evil things against his will. His friends initially think he has turned bad, but Sakura, being a medical ninja, discovers that something is wrong. They then embark on a journey to exorcise the spirit. Along the way, Naruto has to constantly fight against the spirit's control, which could lead to some intense battles and emotional moments as he tries not to hurt his friends.