One possibility in the 'naruto meets zelretch fanfiction' is that they team up to face a common enemy. Zelretch with his powerful magic and Naruto with his ninja abilities could create a very interesting and powerful duo. They might also learn from each other, with Naruto teaching Zelretch about the values of the ninja world like loyalty and perseverance, and Zelretch showing Naruto the vastness of the magical world.
In the 'shirou meets zelretch fanfiction', Shirou might learn some unique magic from Zelretch. Since Zelretch is a powerful mage, he could have a great influence on Shirou's growth as a mage.
Perhaps Zelretch decides to show Shirou different timelines or alternate realities. This could be a way to both amuse himself and also give Shirou a new perspective. It could also lead to Shirou having to make some tough decisions about his own path based on what he sees in these other timelines.
In the 'naruto meets zelretch fanfiction', neither might be truly dominant. They could be equals. Naruto has shown great growth and the ability to overcome powerful foes. Zelretch has his vast magical knowledge and power. They might end up respecting each other's strengths and working together without one being over the other. For example, they could combine their powers in unique ways, like Naruto using his shadow clone jutsu in tandem with Zelretch's magic to create a more powerful attack.
Well, it could be that Naruto meets the Hokage in a different time - space. They might work together to change some important events in the history of the village. For example, preventing a great disaster or changing the fate of some important characters. And Naruto could learn a great deal from the Hokage's wisdom and leadership in this encounter.
Well, in such a fanfiction, Naruto might learn new jutsus from Fuu. Maybe they go on an adventure together to find a rare item or to save a village.
Well, Naruto might gain some new powers from Kami. Maybe Kami would teach him some super - secret jutsu that could help him in his battles against powerful foes.
Another aspect could be a more personal connection. Naruto, having grown up without his parents for a long time, could understand Kunou's situation in some ways. He might offer her advice on how to deal with the pressures of being a princess and a ninja - in - training. Their meeting could be a turning point in Kunou's life, inspiring her to be more confident and to strive for greater things, like Naruto has always done.
In a 'Naruto meets Rias' fanfiction, there could be an interesting exchange of powers. Naruto might show off his ninja skills like the Rasengan to Rias and her group. Rias, on the other hand, could introduce Naruto to the world of devils and their unique abilities. They might team up to face a common enemy, perhaps a powerful dark force that threatens both the ninja world and the devil's realm. Maybe Naruto would be a bit confused by the different rules in Rias's world, but his determination would help him adapt quickly.
Well, Naruto could teach Aang some of his ninja techniques like the Shadow Clone Jutsu. And Aang could show Naruto how to control the air currents for faster travel. They might also team up to fight a common enemy, perhaps an evil spirit that threatens both their worlds.
In this fanfiction, Naruto might be amazed by Sebastian's elegance and butler skills. Maybe Sebastian would be intrigued by Naruto's ninja abilities.