Well, perhaps they travel back in time to the era when the ninja clans were first forming. Their fused presence could disrupt the power balance among the clans. The fused entity might try to introduce new ninja techniques or ways of thinking based on what Naruto and Madara know from their respective times. They could also encounter their own ancestors and have to deal with the moral dilemma of interfering with their family lines. Maybe they end up influencing the creation of certain ninja villages in ways that are different from the original history.
The combination of Naruto and Madara's abilities would bring about a significant shift in the power balance of the world they time travel to. Naruto's positive influence and ability to inspire others, combined with Madara's strategic mind and combat skills, could lead to a new era of peace and cooperation. Their combined ninjutsu could also revolutionize the way ninjas in that time train and fight. For instance, Naruto's Rasengan combined with Madara's fire - based jutsu could create a whole new type of attack that others would try to emulate.
In such a fanfiction, Naruto's powerful chakra could be combined with Madara's Uchiha abilities in really interesting ways. Naruto might gain new Sharingan - like powers or be able to use some of Madara's signature jutsu more effectively. And their combined strength would probably make them nearly unbeatable in battle, changing the power dynamics in the Naruto universe completely.
Naruto would probably get Madara's Sharingan abilities. This could give him enhanced perception and the ability to copy jutsu more easily, like a supercharged version of his own ability. He might also gain access to Madara's Susanoo, which would be a huge boost to his combat capabilities.
Perhaps in the time travel, Fem Naruto ends up being mistaken for someone else in Madara's time. This could lead to all sorts of comical and also tense situations as she tries to figure out how to get back while also dealing with Madara and his plans. For example, she could be mistaken for a long - lost relative of a powerful clan, and have to play along to avoid suspicion.
At first, it could be a relationship full of mistrust. Madara is a very guarded person, and Fem Naruto coming from the future might seem like a threat. But as they start to understand each other's motives, they could develop a begrudging respect.
One common theme is the alteration of the Naruto timeline. Since it involves time travel, things that Madara or Sakura do during their time - traveling can change the events that we know from the original story. Another theme could be the relationship between Madara and Sakura. It could range from a mentorship kind of relationship where Madara teaches Sakura some ancient jutsu, to a more complex emotional relationship where they develop feelings for each other.
One possible fanfiction could be 'Sakura and Madara's Time - Twisted Encounter'. In this story, Sakura might accidentally be pulled into a time - travel scenario with Madara. She could use her medical ninjutsu knowledge in a different era, while Madara's powerful jutsu and strategic mind would create interesting dynamics. Another could be 'Madara's Time - Travel Redemption through Sakura'. Here, Sakura's kind heart might influence Madara during his time - traveling adventures, leading him to question his past actions.
The theme of self - discovery is also present. As they travel through time, both Naruko and Madara may learn new things about themselves. Naruko might discover hidden powers or a different side to her personality, while Madara could gain new perspectives on his past actions and beliefs. This self - discovery often plays a crucial role in the overall plot of the fanfiction.
Well, 'Madara x Sakura: Through Time' is another notable one. It takes a different approach where Madara is the one who travels forward in time and meets Sakura. Their initial meeting is full of confusion but soon they start to see the potential in each other. The story has some great action scenes along with the romantic development.