Maybe Naruto gets banished and ends up in a place full of ancient and powerful artifacts. He discovers how to use these artifacts to enhance his own abilities. He also forms alliances with some outcasts in this new place who share their combat skills with him. As a result, he becomes powerful not just in terms of his ninjutsu but also in terms of strategy and teamwork.
One possible plot development could be Naruto's ideals getting warped due to some traumatic event. For example, if he fails to save a dear friend, he might start to believe that the only way to achieve true peace is through extreme force. Another development could be his relationships turning sour. Maybe his friends start to fear his new, twisted self and Naruto, feeling betrayed, becomes even more deviated from his original self. Also, his view of the ninja world could change completely, seeing it as a place that needs to be remade in his own image rather than following the traditional ways.
It could be the very people who banished Naruto in the first place. They might fear his new - found power and try to stop him from returning to the village or from getting revenge. They would likely use underhanded tactics to try and take him down.
Well, one possible plot development could be Naruto facing different challenges as a female in the ninja world. For example, she might have to deal with gender discrimination within the ninja clans. Another could be her relationships with other characters changing. Maybe Sasuke would see her in a new light and their dynamic would be different. Also, Naruto as a female could inspire other female characters to be more confident and break gender barriers in the shinobi society.
One possible plot development could be that Naruto's friends rally around him to protect him while he recovers. They might seek revenge on the one who stabbed him.
In this kind of fanfic, another aspect could be how Naruto's relationship with the girl changes. At first, they might have just been friends or casual acquaintances. But now, with the pregnancy, they have to build a stronger bond. They'd need to figure out their living situation, how to support the baby financially in the ninja world, and also deal with any potential social stigma that might come with having a child out of wedlock in their society.
Well, one plot twist could be that Naruto discovers a hidden ancient power during his banishment. Maybe he finds a long - forgotten jutsu in a desolate place. Another could be that he forms unexpected alliances with former enemies who now see his banishment as unjust. For example, some of the minor villain clans might join him, seeing a chance to overthrow the existing power structure in the shinobi world.
In some 'naruto is banished fanfic', one interesting plot could be Naruto finding a new hidden village that accepts him wholeheartedly. He might then train with unique jutsus there and form new alliances.
In this 'naruto gets poisoned fanfiction', Naruto could also try to fight the poison using his own chakra. He might enter a state of inner struggle where he has to battle the effects of the poison on his body while still trying to protect the village. His Nine - Tails chakra could play a role, either helping him resist the poison or making the situation more complicated if it reacts badly with the poison.
In this type of fanfiction, Naruto could be banished to a far - off land. Maybe he discovers a new form of chakra or ninja technique there. He could also form a new community with outcasts like himself. As for the village, Sasuke might feel guilty about Naruto's banishment and try to convince the village elders to reverse their decision. But the political situation in the village could be complex, with some factions seeing Naruto as a threat even after he retrieved Sasuke.
A plot twist might be that Naruto discovers that being a monk is actually a key to unlocking a hidden power within him that has nothing to do with chakra. This new power could be related to his spiritual enlightenment and could change the balance of power in the Naruto universe in the fanfiction. Another twist could be that his friends, believing he has abandoned them, turn against him at first, but then later realize that his new path is actually for a greater good and they end up joining him in some way.