Well, he could start a family with Hinata and have lots of kids, passing on his Uzumaki bloodline. Then, he could encourage his friends who have some Uzumaki connection, like Karin, to also have families and pass on their Uzumaki genes. He could also set up a school or training center in the Uzumaki land, teaching the Uzumaki ways of life and ninjutsu, which would attract orphans or those who want to be part of the Uzumaki clan.
Maybe Naruto proves himself worthy by showing off his powerful jutsu skills that are related to the Uzumaki heritage. He could also use his status as a hero in the village. By winning the trust and respect of the Uzumaki clan members, he gradually takes over the leadership of the clan.
Naruto could unlock the full potential of Uzumaki sealing techniques. He has great chakra control, which is essential for these techniques. With his leadership, the clan members could learn more advanced forms of sealing. Also, he might discover some hidden Uzumaki jutsus that were lost over time. His own experience in battle and with different types of chakra could help in this discovery.
Well, surely there would be a main Uzumaki clan member, perhaps a young and determined one. They would be the driving force behind the revenge plot. There might also be a mentor figure, an older ninja who has some knowledge about the Uzumaki clan's past and can guide the main character in their journey.
Well, it could be about Naruto exploring his Uzumaki heritage more deeply. Maybe he discovers some long - lost Uzumaki jutsu or secrets that help him in battles or in uniting the ninja world.
One interesting Uzumaki fanfiction could be about an Uzumaki character who discovers a long - lost clan technique. This technique might give them unique powers, like the ability to control water in a different way than normal ninjas. They could use this new power to protect the village from a new, powerful enemy.
The Akatsuki could also be antagonists in Uzumaki clan revenge fanfiction. They were after powerful ninja and the Uzumaki clan was full of power. They could have been the ones who initiated the attack on the Uzumaki clan to get their hands on things like the Uzumaki's powerful chakra or their sealing techniques. And then there might be a secret group within the Leaf Village itself that was involved in the Uzumaki clan's downfall, perhaps out of fear of their growing influence.
Gaara could be an important ally. He has always been Naruto's friend and as the Kazekage, he could provide resources and support for Naruto's plan to revive the Uzumaki clan. Maybe he could offer building materials to help rebuild Uzumaki settlements or send some of his shinobi to help with security during the revival process. Another possible ally is Tsunade. She is a Sannin and has a lot of knowledge and influence. She could help with medical research related to the Uzumaki clan, like finding ways to preserve their unique genetic traits or heal any potential genetic diseases within the clan. Also, she could use her political influence to get other villages to support Naruto's plan.
To integrate the Uzumaki clan's kekkei genkai into a new story line, consider creating a mystery around it. The main character could start off not knowing they have this kekkei genkai, but they keep experiencing strange events. As they investigate, they find out about their Uzumaki heritage and the kekkei genkai. They then have to figure out how to use it to solve the mystery of an ancient evil that is related to their clan. You can also have the kekkei genkai be a key factor in a tournament or competition. The Uzumaki character has to use their kekkei genkai in creative ways to win and prove the worth of their clan.
One interesting concept could be exploring an unknown kekkei genkai of the Uzumaki clan that gives them the ability to manipulate time on a small scale. For example, they could slow down time for a brief moment in battle, giving them an edge. Another idea is a kekkei genkai that allows them to communicate with the spirits of their ancestors, gaining wisdom and power from them. Maybe a kekkei genkai that lets them transform into a powerful beast form related to their clan symbol.