Well, he could expect adventures that test his limits. Maybe in this different dimension, there are no villages and ninjas are more like lone wolves. Naruto would have to learn to survive in this new environment where the rules are different. He might also find that his reputation as a hero in his own world means nothing here, and he has to prove himself all over again. This could lead to him having to fight for respect and to make new friends. And of course, there could be new and strange creatures that he has to either fight or befriend.
In this kind of fanfiction, Harry might encounter new magical creatures that don't exist in his own dimension. For example, he could meet some kind of shape - shifting beasts that can change into any form they like.
Naruto's positive and determined personality will likely help him a great deal. His never - give - up attitude means he won't be easily discouraged in the face of new challenges in the different dimension. He'll keep trying to figure things out, whether it's understanding new cultures or fighting new enemies. His friendly nature might also help him make allies quickly. People in the new dimension will probably be drawn to his outgoing and kind - hearted personality.
Perhaps in this different dimension, female Naruto is a princess. But she still has her ninja spirit. She uses her skills in a different way, like using her agility to outwit court conspirators. And she might even start training the palace guards in her ninja ways secretly.
Perhaps he'll come across a powerful wizard or witch who is the ruler of that dimension. This character could be either benevolent or malevolent, and would surely have a great impact on Harry's adventure in that dimension. They might try to use Harry for their own purposes or help him return to his own dimension.
In the alternate dimension, Naruto could find that the Akatsuki are actually the protectors of the villages. This would completely change his view of the world. He would have to re - evaluate his ideas about good and evil and decide whether to help them or oppose them depending on their true motives.
When Naruto goes to a parallel dimension in fanfiction, it's a whole new world of possibilities. He could encounter a dimension where his parents are still alive. This would be a huge emotional moment for him. He might also find that the Akatsuki in this dimension has different motives or is even a force for good. Naruto's own values and beliefs would be put to the test as he tries to understand and navigate this strange new place. His usual techniques like the Rasengan might not work as effectively, forcing him to learn and innovate on the fly.
Perhaps he'd meet a different Hokage. One who has led the village in a completely different way than in his own dimension. Naruto could learn a great deal from this Hokage about leadership and different ways to protect the village.
In fanfiction, if Naruto is sent to a different dimension, he might face all kinds of strange new powers and enemies. For example, he could encounter magic that is completely different from chakra. He would have to quickly adapt to survive. Maybe he'd find allies who are also lost in this new dimension and together they'd try to find a way back home while also dealing with the local threats.
A possible plot is that female Naruto enters a dimension full of mythical creatures. She has to befriend some of them to learn about this new world and find a way to return to her own. For example, befriending a dragon that can help her fly over the strange terrains.