Well, one possibility could be that Naruto discovers a new power related to silver. Maybe it's a special type of chakra that he can control and it gives him unique abilities like creating silver - based weapons or shields. He could use this new power to defeat powerful enemies or to protect his village in a different way than he usually does.
In a 'naruto controls silver' fanfic, it could be that silver is a substance that has been lost in the Naruto world for a long time. Naruto stumbles upon it and realizes he has an innate ability to control it. This new power could put him at odds with some of the established powers in the ninja world. They might see him as a threat because of this new, unknown power. So Naruto has to not only figure out how to use the silver but also how to deal with the political and social ramifications of having this power. He may also have to use it to uncover some long - forgotten secrets about the Naruto world that are related to the silver.
One possible plot could be that Naruto accidentally gains the ability to control Hinata's body due to some strange jutsu gone wrong. He then has to figure out how to reverse it while dealing with the situations Hinata was in at the time. For example, if she was in the middle of a mission, Naruto has to complete it through her body without anyone suspecting.
In a 'Naruto controls snow' fanfiction, it could be that Naruto is cursed by an enemy. As a result, his chakra is somehow linked to snow. At first, he struggles to control this new power, but with the help of his friends and some intense training, he masters the ability to control snow and turns it into a powerful weapon against his foes.
In 'naruto controls the darkness' fanfiction, it could also be that Naruto is exposed to a dark energy source accidentally. This energy starts to influence his thoughts and actions in negative ways at first. But being Naruto, he doesn't give in. He uses his strong willpower and the positive relationships he has with his friends like Sasuke, Sakura, and others to find a way to control this new dark power. He might have to face some of his own demons from his past, like the loneliness he felt as a child or the times he failed to protect his friends, and use these experiences to better understand and control the darkness within him.
One idea could be that Naruto discovers a strange new chakra within the headcrabs. He then figures out how to manipulate this chakra to control their actions. He might train them to perform tasks like scouting or even to help in rebuilding damaged villages by using their physical strength.
Well, in this kind of fanfiction, Naruto might use his powerful jutsu to influence political situations across the ninja world. He could impose his ideas of peace on all the hidden villages, uniting them under his leadership through sheer force and charisma.
In this fanfiction, Naruto's ability to control shadows could be related to his connection with the Nine - Tails. Maybe the power of the Nine - Tails unlocks this new ability within him. He could use the shadows to form shields against attacks, or even to travel quickly from one place to another by using the shadows as a sort of transportation network within the ninja world.
Well, it could be about Naruto using his chakra to control paper in unique ways. Maybe he creates paper constructs for battle or uses it to send secret messages.
One possibility could be that Naruto discovers a new jutsu that allows him to control inanimate objects like vacuums. He could use this power to clean up after battles or even as a new form of defense. For example, he might make the vacuums suck up incoming attacks or use them to disorient opponents by creating a whirlwind of debris.
In a 'naruto controls darkness fanfiction', perhaps Naruto initially struggles with this new power. He's a hero associated with light and positive energy, so controlling darkness could be seen as a corruption. But then he realizes he can use it for good, like infiltrating dark organizations by blending in with their dark - themed jutsus.
One possible plot could be that Mikoto somehow survived and she takes Naruto under her wing. She trains him secretly, using her Uchiha knowledge to make him stronger. This could lead to Naruto having a unique set of skills that no one else has.