Yes, in some fanfics Naruto might know the Hiten Mitsurugi. Fanfic writers often like to cross different elements from various anime or manga. They could create a scenario where Naruto, being a curious and adaptable character, somehow comes across the Hiten Mitsurugi technique and learns about it. This could be part of a story where Naruto travels to different worlds or meets characters from other series.
He could learn it from a crossover character. If there's a character from Rurouni Kenshin in the fanfic, that character might teach Naruto the Hiten Mitsurugi. For instance, if Kenshin himself is in the story, he could see potential in Naruto and decide to pass on his knowledge of this sword technique.
One popular Hiten Mitsurugi - Ryu Naruto fanfic could be one where a character uses the techniques from Hiten Mitsurugi - Ryu in the Naruto universe in unique ways. For example, they might combine it with ninjutsu to create new combat styles.
Another theme is the exploration of Kenshin's dual nature. His kind - hearted self and his violent past as Battousai. Female - written fanfictions may focus on how a female character tries to understand and accept both sides of him, which can lead to some really interesting character development and plotlines.
Sure. 'Rurouni Kenshin' has roots in real - life stories. The historical backdrop of the Meiji Restoration in Japan provides a lot of context. There were real samurai and assassins at that time. The story of Kenshin, who was once an assassin and now tries to atone for his past, can be seen as a fictional exploration of the ideas of redemption and change in that historical setting. The anime and manga use real - life historical elements to create a vivid and engaging fictional world.