Power growth is a very common theme. Usually, Naruto gains some kind of super - powerful ability that he has to learn to control. Another theme is the impact on relationships. When he becomes so strong, it often changes how his friends, like Sasuke and Sakura, interact with him.
One common theme is power - up. Usually, Naruto gets some sort of new power or ability that makes him much stronger. Another theme is rivalry. There are often new rivals for Naruto who are also very strong, which drives him to keep getting stronger. And there's also the theme of self - discovery, as Naruto figures out how to use his newfound strength.
A frequent theme is 'Time - Travel'. In these fanfics, a character, often Naruto, travels back in time and tries to change the past. This allows for a whole new set of adventures and interactions. Another common theme is 'The Ninja World's Politics'. Fanfic writers explore how the different hidden villages interact, form alliances, and compete for power in more detail than in the original series.
One common theme is Hinata's growth. She goes from being a shy and somewhat underestimated character to a powerful force. Another theme is her relationship with Naruto in the context of her new - found strength. Sometimes it's about how Naruto starts to see her in a new light.
One common theme is empowerment. These fanfictions often show the female characters breaking free from traditional gender roles in the Naruto world. For example, they might take on roles usually reserved for male ninjas, like leading a team or fighting in major battles.
Well, obviously Naruto himself is the central character. Sasuke is often included as his rival. Their relationship in these fanfics can be complex, with Sasuke either being suspicious of Naruto's new - found strength or being inspired by it. Sakura might also be there, trying to figure out what's going on with Naruto and how he got so strong all of a sudden.
One major theme is the struggle for power. In 'hotaru naruto fanfic', Hotaru could be striving to become stronger, either to protect her loved ones or to prove herself. Also, the theme of loyalty is quite prevalent. She might have to choose between different groups or individuals and show her loyalty in various situations. For instance, she could be torn between her loyalty to her village and a new friend from another place. This creates interesting storylines.
One common theme is adventure. Since Naruto is always up for an adventure and Shion's powers can add an interesting element to their quests. For instance, they might go on a journey to stop a new evil force using Shion's prophetic abilities and Naruto's combat skills.
One common theme is the clash of different worlds. Since Naruto is from a ninja - based world and Kirito from a virtual - world - based story, the fanfics often explore how these two different settings interact.
One common theme is power acquisition. For example, a character getting the power of airbending and how they learn to control it. Another is the clash of cultures. Since Naruto has its own unique ninja culture and airbending comes from the Avatar world, there can be a lot of interesting interactions between the two. And sometimes, friendship is a big theme too, like how characters from both worlds form bonds while dealing with the new concept of airbending.
A third common theme is the chaos that Deadpool brings into Naruto's world. Deadpool is unpredictable and often causes mayhem in the usually orderly (in its own way) ninja world. This upheaval and how the Naruto characters deal with it is a major theme in many of these fanfics. Sometimes it's played for laughs, other times it's used to explore deeper concepts about order and chaos.