One interesting plotline could be about Naruto unlocking a new and extremely powerful form in the 'naruto fury fanfic'. This form might be a result of his intense fury and determination, allowing him to face off against enemies he couldn't before.
In the 'naruto fury fanfic', there could be a plotline where Naruto's fury is directed at an ancient evil that has been awakened. This evil has a connection to the past of the ninja world and Naruto, in his fury, discovers secrets about his own lineage and abilities that help him combat this new threat. He has to overcome his own inner demons as well as the external threat.
Well, perhaps there's a plotline where Naruto has to deal with a group of rogue ninjas who are causing chaos in the village. His fury is kindled because they are harming his friends and the people he loves. So, he goes on a journey to stop them, using his unique skills and the power of his fury.
One interesting plotline could be Naruto coming back reanimated and having to face new enemies that his old friends can't handle alone. His reanimated state might give him unique powers or abilities that change the course of battles.
One interesting plotline could be the exploration of Onikage's backstory within the Naruto universe. Maybe he has a hidden connection to a powerful clan that was long forgotten.
One interesting plotline could be the exploration of the unique culture and history of the Mist Village within the fanfic. Maybe it delves into the training methods of Mist ninjas that are different from other villages.
One interesting plotline could be about Naruto exploring an alternate universe within the Samsara concept. Maybe he discovers new powers or meets different versions of his friends.
Perhaps Naruto controls Zetsu to help him in battles. Zetsu could act as a distraction while Naruto sets up his more powerful jutsu. For example, Zetsu could split into multiple forms and confuse the opponents, giving Naruto an opening to attack.
One interesting plotline could be Naruto adjusting to civilian life after retiring. He might struggle with the boredom of not having the constant action and purpose he had as a shinobi. Another could be him mentoring the next generation in a more laid - back way, passing on his wisdom without the pressure of active duty.
Perhaps there's a plotline where the other Jinchuuriki are in danger and Naruto has to rescue them. Since Naruto has a strong sense of justice, he would not hesitate to step in. This could lead to some intense battles and also show Naruto's growth as a character. He might use new jutsu or strategies he has learned along the way.
Another plotline could be Naruto's transformation into a 'dark emperor' being a result of some external force or curse. He then has to find a way to break free from it while still maintaining his new - found power and authority. This could lead to some really emotional and action - packed moments in the fanfic.
One possible interesting plotline could be Naruto having to deal with the powers he inherits from Atlas in a world that already fears his Jinchuriki powers. He might struggle to balance the new abilities and the expectations that come with being related to a powerful figure like Atlas.
Another plotline might involve Naruto facing a new and powerful enemy while under Kakashi's tutelage. This could test not only Naruto's skills but also the bond between him and Kakashi. For example, they might encounter a rogue ninja from a hidden village who has a vendetta against Konoha. Kakashi would then have to teach Naruto new strategies to defeat this enemy.