What are some interesting plot ideas for 'naruto earthbound immortal fanfiction'?

One idea could be that Naruto and Sasuke discover a hidden ancient jutsu that grants them immortality. They then use this newfound power to protect the ninja world from threats that are beyond normal shinobi capabilities. For example, they might face off against an otherworldly demon that is immune to normal attacks.

One idea could be Naruto being immortal and crossing over into the world of Harry Potter. He could use his ninja skills to navigate the wizarding world, like using his shadow clone jutsu to attend multiple classes at Hogwarts. Another plot could be in a Final Fantasy crossover, where Naruto's immortality makes him a key figure in a battle against a powerful, world - destroying entity. His never - ending life gives him the time to master different magics and skills from the FF universe.

Well, he could cross over into a post - apocalyptic world as an immortal. Naruto would use his ninja skills to help the survivors, but his immortality might cause some fear among them at first. Or perhaps he crosses into a world of steampunk technology. His immortality gives him an edge in exploring this new and dangerous world filled with mechanical contraptions and power - hungry villains.

One idea could be a story where a character discovers they have an unknown immortal bloodline that gives them the power to heal rapidly. For example, they could be in the middle of a battle, get seriously injured, but then their bloodline kicks in and they're back on their feet in no time, surprising their enemies.

Another plot could involve a character from Blade of the Immortal being transported to the Naruto universe. This character could be an enemy at first, but then as they learn about Naruto's world and his ideals, they become an ally. They could teach Naruto some unique fighting techniques with the Blade of the Immortal.

One plot idea could be Orochimaru finding a way to truly achieve immortality that doesn't involve body - hopping. Maybe he discovers an ancient jutsu that links his soul to the very essence of the ninja world. Another idea is Orochimaru teaming up with Naruto to face a new, greater threat, and in the process, Naruto starts to understand Orochimaru's pursuit of immortality from a different perspective. And perhaps Orochimaru could create a new form of immortality that is more about passing on his knowledge and skills in a unique way rather than just living forever physically.

Perhaps in the 'immortal naruto avatar fanfiction', Naruto's immortality is a curse at first. He has to figure out how to control it while also dealing with the political unrest in the Avatar world. He might form an alliance with the Avatar to bring peace. This would involve a lot of character development as Naruto struggles with his condition and tries to do good in a foreign land.

One idea could be exploring the relationship between Ness and Paula in a more in - depth and emotional way within the fanfic. Maybe they go on a journey together that tests their bond and they discover new things about each other.

One interesting idea could be Naruto exploring eternal life while still protecting the Hidden Leaf. He might face new challenges as he outlives his friends and has to deal with the loneliness that comes with immortality.

One plot idea could be that Naruto, with his immortality, somehow gets transported to the world of Blue Exorcist. He teams up with Rin and the others to fight a new kind of demon that is threatening both their worlds. His ninja skills combined with the exorcist powers would make for an exciting adventure.