Maybe in this fanfiction, Naruto is born as a knight in a world that has a mix of Naruto - like powers and medieval elements. His rasengan could be seen as a powerful knightly move, and he'd have to protect his kingdom from dark wizards or other threats. His friends from the Naruto universe could be reimagined as his squires or fellow knights, each with their own unique knightly abilities.
In the 'Naruto is a knight' fanfiction, Naruto could be a knight who goes on a quest. He might be seeking a powerful artifact that has the power to save his land from destruction. Along the way, he meets other characters who are also on quests, and they form a fellowship. He uses his determination and ninja - like perseverance as a knight, and his journey could involve exploring ancient castles, fighting mythical beasts, and uncovering secrets of the past.
Maybe Naruto gets transported to the world of Death Knights. He could use his ninja skills in a new way, like combining his chakra with the powers of a Death Knight. For example, his Rasengan could be infused with Death Knight magic.
One possible plot could involve Naruto being reincarnated as a Templar Knight. He'd have to deal with the politics and strict code of the Templar Knights while still having his Naruto - like determination. He could use his shadow clones to his advantage in battles, and perhaps his goal would be to unite the two worlds in some way. For example, he might discover that there are hidden connections between the ninjas and the Templars, like a common enemy from the past that he has to face.
In a 'Naruto is a Knight Templar' fanfiction, the plot might start with Naruto being sent on a mission that goes wrong and he ends up in a different dimension where the Knight Templars exist. He initially struggles to fit in due to the differences in their cultures. However, as he learns about the Templars' cause, he decides to help them. He could use his chakra and jutsu to enhance the Templars' fighting capabilities. And there could be a love interest for Naruto within the Templar community, which adds a romantic sub - plot to the story. As the story progresses, Naruto might have to face a powerful enemy that is after the secrets of both the ninja and the Templar worlds.
The plot could involve Naruto being reincarnated as a Holy Knight in a medieval - like world. He starts off as an outcast because of his strange powers that are a mix of ninja and Holy Knight abilities. But as he grows, he discovers a great evil that is lurking in the shadows. He then uses his skills to train others, form an army, and fight against this evil. His journey could be about not only saving the world but also about finding his place in this new role as a Holy Knight and changing the perception of what a Holy Knight can be.
One possible plot could be Naruto being transported to a medieval knight world. He might start as an outcast due to his strange appearance and powers. But as he proves his worth in battles against dark knights or magical creatures, he gains the respect of the local knights and even starts to teach them some of his ninja techniques, like how to move stealthily.
Well, it could be that Naruto, as a knight, goes on a quest to protect the Hidden Leaf Village which is now a medieval - style kingdom. He might use his ninja skills, which are now seen as knightly abilities, to fight off bandits or rival kingdoms that threaten his homeland.
One possible plot could be that Naruto, through some dark magic or a curse, is transformed into a Death Knight. He might initially struggle with his new form and the evil tendencies that come with it. But, being Naruto, he tries to use his new powers for good. For example, he could use the Death Knight's necromantic abilities to protect the Hidden Leaf in a new way, like raising undead minions to fight off invaders while trying to find a way to reverse his transformation.
One possible plot could be that the female knight from the 'Goblin Slayer' world gets transported to the 'Naruto' universe. She teams up with Naruto and his friends to fight against a new threat that is a combination of goblins and some of the villains from the 'Naruto' world, like Orochimaru who has somehow managed to use goblin - like creatures in his experiments.
It could be Kakashi. He has that mysterious and brooding quality like the Dark Knight. He's also highly skilled and has a strong sense of justice. He could be the one who lurks in the shadows of Konoha, protecting it from threats.
Perhaps Naruto, as a knight, has to face off against his former ninja comrades who now see him as a threat to the ninja world. They believe his new knightly ways go against the ninja code, creating a conflict between loyalty and his new identity.