One possible plot development could be Naruto struggling to control his new dragon powers. He might accidentally cause destruction in the Hidden Leaf Village at first. Then, he'd have to go on a journey to learn how to master these powers, perhaps with the help of an old sage or a mysterious dragon - like creature.
Well, it could be that Naruto's half - dragon form makes him an outcast in the ninja world. The other villages might see him as a threat and try to capture or kill him. So, he has to fight not only to control his powers but also to prove that he's still the same Naruto who wants to protect everyone. He could form alliances with some unlikely characters during this time.
Naruto might become more confident. Being a dragon gives him new powers, and with that comes a sense of self - assurance. He may also become more solitary at first as he tries to understand his new form. But as he gets used to it, he'll start to integrate his dragon side with his ninja self.
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.
In the 'naruto becomes sage of the six paths fanfiction', perhaps Naruto would go on a journey to fully understand and master the powers of the Sage of the Six Paths. He could visit different hidden villages to learn about their ancient secrets related to the Six Paths. This would not only expand his knowledge but also help him form new alliances. And he may use his newfound status to bring about a new era of peace in the ninja world.
In this fanfiction, perhaps Naruto's physical abilities are enhanced as the Kyuubi's kit. He might be able to move faster, jump higher, and his strength could be superhuman. Also, his relationship with Sasuke could change. Sasuke might see Naruto as an even greater threat or, on the other hand, an ally he needs to understand better. And Naruto could start to have a different understanding of his own identity and place in the ninja world.
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 possibility is that Naruto's friends launch a rescue mission. They would use their unique skills, like Sasuke's Sharingan or Sakura's medical ninjutsu combined with her combat skills, to find and save Naruto.
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.
In this fanfiction, it's likely that Harry's newfound lordship at age 7 will have a significant impact on his relationship with the Dursleys. They might be even more intimidated by him, or perhaps they try to take advantage of his new status in some way. Harry, on the other hand, could use his new power to free himself from their abuse and start living a more independent life within the wizarding world. He may also discover new magical abilities or artifacts associated with his Potter heritage that help him in his journey.
One possible plot development could be that Harry uses his new status as Lord Peverell to gain access to ancient magic and knowledge. He might then use this to defeat Voldemort in a more powerful and unexpected way.
Well, one possible plot development could be that Harry has to hide his new status as an Obscurial from his friends at Hogwarts for fear of being ostracized or worse. Another could be that Voldemort somehow discovers Harry's new condition and tries to use it to his advantage, perhaps by trying to manipulate the Obscurial power within Harry. Maybe Harry has to learn to control this new, dangerous power on his own as he can't trust Dumbledore or the other teachers with this secret at first.