Well, it could make him more confident. With the Aura King ability, Naruto might face challenges in a different way. He may become more strategic as he has a powerful new tool at his disposal. This could lead to him being more respected among his peers earlier in the story, and also change his relationships, for example, with Sasuke. He might not be as impulsive when trying to bring Sasuke back, but rather use his newfound power to reason with him in a more 'kingly' way.
There's no canonical indication that Ash uses his aura abilities to see fanfiction. Fanfiction is a concept within the fan community, not something directly related to the in - universe powers in the Pokémon world.
He could have an epic battle against a powerful new villain. Maybe a dark wizard who has been terrorizing the ninja world. Naruto's Aura King ability would allow him to counter the wizard's dark magic with his own powerful aura - based attacks.
Ash in the fanfiction could learn to use aura by encountering a rare event or artifact that unlocks his potential. Or perhaps he has a series of challenging battles that force him to tap into this ability and refine his skills over time.
In some fanfictions, Naruto's aura might make him more attractive to certain characters. For example, it could draw in a love interest who is sensitive to his unique energy. His aura might also intimidate some of his enemies, making them more cautious when dealing with him.
One way Naruto aura could be incorporated into Pokemon fanfiction is through a crossover of abilities. For example, a character might have the ability to use Naruto - style chakra, which they could then use to enhance their Pokemon's attacks. This could add a new layer of strategy and power - up to battles in the Pokemon world.
In some fanfictions, Naruto might learn to use Hiraishin through special training with a knowledgeable mentor, perhaps someone who was close to the Fourth Hokage who originally developed the technique.
He could choose names that had the aura of a European king, such as " European Aristocrat,"" European Big Boss,"" Lucky Chief,"" Great Voyager,"" Full of European Qi," and so on. In addition, you could also consider some names related to the game, such as " European Hero "," European Flower ", etc. These names all had a certain sense of chuunibyou or fantasy, which was very suitable for the requirements of having the aura of a European king.
Well, it could be that Ash's aura has a special connection with Serena's in the fanfic world. His aura might be able to transfer some of his energy to Serena when she's weak or injured. He could focus his aura to create a protective shield around her, shielding her from attacks like from wild Pokémon or bad guys. And this way, he saves her using his aura abilities.
To create a good Naruto Aura Shinobi fanfiction, you need to focus on world - building. Expand on the concept of auras. How do they interact with the environment? With other shinobi? Also, create a compelling plot. Maybe a mystery surrounding a powerful ancient aura that the main character has to uncover.