In a 'naruto after pain fanfic', a great plotline could be the political changes in the Hidden Leaf. Naruto might get involved in restructuring the village's leadership and security systems. He could also encounter new enemies who see the village as vulnerable after Pain's assault. And there could be a sub - plot about how the other ninja villages react to the Hidden Leaf's situation and Naruto's growing influence.
Another plotline could involve Naruto using his strong will and the power of friendship. Maybe he gets some unexpected help from his friends in a way that gives him the edge over Pain. Like, Shikamaru could come up with a brilliant strategy that Naruto executes perfectly.
One interesting plotline could be Naruto having to face Pain alone without any backup from the village. This would really test his strength and determination. Another could be Naruto finding a way to defeat Pain without using his full Nine - Tails power, relying more on his ninja skills and strategy.
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 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 about Naruto exploring an alternate universe within the Samsara concept. Maybe he discovers new powers or meets different versions of his friends.
A possible plotline is a gender - bent Naruto having to prove herself in a male - dominated ninja society. She could form an all - female ninja team and take on missions that are typically thought to be for male - only teams. This would show her strength and determination in a different light compared to the original Naruto story.
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.
One idea could be Naruto focusing on rebuilding Konoha and establishing new alliances. He might use his newfound influence after defeating Pain to promote peace among the hidden villages. For example, he could start an exchange program for young ninjas to understand each other better.
One interesting plotline could be Sasuke and Sakura exploring their new relationship in a post - war world filled with rebuilding. They might face challenges in their relationship due to the traumas of war. Another could be them working together to heal the wounds of the village, both physically and emotionally. Maybe they discover new aspects of each other as they do so.