In Pandora, Fem Harry Potter could get involved in a conflict between different Na'vi clans. Her ability to see things from different perspectives, which she learned from dealing with the different houses at Hogwarts, could help her mediate the conflict. She could use her magic to show signs or omens that convince the clans to make peace, like creating a magical display in the sky that represents unity.
One possible scenario in this fanfiction could be that Fem Harry Potter is initially shocked by the unique and alien environment of Pandora. She might struggle to adapt to the different flora and fauna, but her magical abilities could give her an edge. For example, her ability to use magic could help her communicate with some of the intelligent species on Pandora in ways that the regular humans in the Avatar world can't. Maybe she uses spells to understand the language of the Na'vi, which could lead to interesting interactions and alliances.
He could have adventures in dealing with the dark wizards of France. Just like he fought Voldemort in England, he might face a powerful dark wizard in France who is threatening the peace of the wizarding community. Harry would use his Patronus and other spells to protect his new kingdom.
They could go on an adventure to find a missing magical artifact that has fallen into the Muggle world. Gibbs' skills in tracking and Harry's knowledge of magic could be combined to track down the artifact before it causes any harm.
In a fanfiction scenario where Harry Potter goes to Pandora, he'd probably face a culture shock. The Na'vi's connection to nature is so different from what he's used to in the wizarding world. He could end up using his skills in potions to try and understand the biology of Pandora. He might also be in awe of the banshees and try to fly one using magic, which could lead to all sorts of adventures.
One possible plot could be that Harry Potter somehow gets transported to Pandora. He discovers the unique flora and fauna there. Maybe he has to use his magic to communicate with the Na'vi or help them against a new dark force that has emerged on Pandora, similar to how he fought Voldemort in his own world.
He could go on adventures to discover hidden vaults within Gringotts. Maybe there are vaults that have been lost for centuries, filled with ancient and powerful magical artifacts. Harry could search for these vaults, facing various traps and puzzles along the way, similar to the challenges he faced in the Philosopher's Stone.
They could go on a journey to discover the origin of the Kyuubi's power. Naruto has always been curious about the power within him, and with the Fem Kyuubi as a friend, they could explore ancient places together. Maybe they find some long - lost scrolls that explain the true nature of the Kyuubi's power and how it was created. Along the way, they face various obstacles like traps set by ancient shinobi clans who wanted to keep this knowledge hidden.
Well, in this fanfiction, she could get involved in the American wizarding politics. Maybe there are some power struggles she has to navigate. Also, she might visit famous American wizarding locations like Ilvermorny. There, she could learn about the history of magic in America and how it differs from that in Britain. And of course, she could face some new dark magic threats specific to America.
In fanfiction, Harry and Kreacher could be seen exploring the different terrains of Westeros. Maybe they stumble upon the Iron Islands. Kreacher could be fascinated by the Ironborn way of life while Harry tries to find a way to use their naval power for some greater good. Or they could end up in King's Landing and face the political intrigue there.
They could have adventures in the Muggle world. Maybe they would explore abandoned places in their neighborhood. Dudley, with his knowledge of the local area, and Harry, with his courage and magic (if he could use it secretly), could discover hidden treasures or solve mysteries. For instance, they might find an old diary that has some connection to the wizarding world but was lost in the Muggle world long ago.