One idea could be a fanfic where a smart villain uses cruel tactics to undermine the Hidden Leaf Village. They might manipulate intel and set traps that are not only physically dangerous but also psychologically cruel to the ninjas. For example, making them doubt their comrades.
Orochimaru is a character that can be easily written as smart and cruel in a fanfic. He is already known for his unethical experiments and his cunning nature. He could be made even more cruel in a fanfic, for example, by using his intelligence to create more deadly jutsus that he tests on innocent people without remorse.
Well, it depends on the specific fanfic. Some fanfics might really emphasize Naruto's growth to be on par with Minato in terms of smarts. They could show Naruto learning from Minato's memories or having some sort of spiritual connection that transfers knowledge. However, other fanfics might focus more on other aspects of Naruto's character and not necessarily make him as smart as Minato.
A fanfic could start with Sakura being jealous of all the attention Naruto gets from other girls. As she tries to figure out why it bothers her so much, she discovers that she actually loves him. Then the story could be about her trying to find the right moment to confess her feelings.
One great 'Smart Naruto Naruhina' fanfic is 'A New Path for Naruto and Hinata'. In this fanfic, Naruto's intelligence is shown in a new light as he strategizes to protect the village and his relationship with Hinata. It has a really interesting plot that delves into how Naruto's newfound smarts can change the Naruto universe.
Smart Naruto in fanfic is also creative. He invents new jutsus or modifies existing ones. He thinks outside the box, like using the environment in a battle in ways that others haven't considered. His intelligence allows him to see opportunities where others see only obstacles, and this makes him a formidable character in the fanfic world.
Well, 'naruto smart fanfic' could be about many things. It might be a fan - created story where Naruto is depicted as extremely intelligent. Maybe it shows him using his smarts to outwit his enemies in ways not shown in the original series, like coming up with really elaborate battle strategies or solving complex village - wide problems with his sharp mind.
A great fanfic idea could be that Sakura starts leaving little hints for Naruto about her feelings. She might cook him his favorite meal or offer to train with him more often. Naruto, being a bit dense in matters of the heart, doesn't quite get it at first. But as time passes, he begins to suspect that there's something more to Sakura's actions, and this could be the start of a beautiful love story within the fanfic.
Well, Naruto is likely to be one of the main characters since it's a 'naruto smart fanfic'. But there could also be his friends like Sasuke and Sakura. Sasuke might play a role in Naruto's journey of using his intelligence, perhaps as a rival who also respects Naruto's new - found smarts. Sakura could be there to support Naruto and use her own skills in combination with Naruto's intelligence, like in medical ninjutsu situations.
A great 'Smart Naruto Naruhina' fanfic also needs a unique setting or concept. Maybe it's set in an alternate universe where Naruto's intelligence is the result of a special training. This new setting can then create all sorts of interesting scenarios for Naruhina's relationship to develop, like they have to solve mysteries together using Naruto's brains.