A really interesting plotline could be Hermione being chosen to bring together different magical communities that have been at odds for centuries. She would have to use her diplomatic skills, which she has shown in the original books, and her new - found status as the 'chosen one' to bridge the gaps between these communities. This could involve her traveling to different magical realms and learning about their unique cultures and magics.
Another plotline could involve Hermione being chosen in a prophecy that no one expected. This could lead to her having to deal with the pressure of being the 'chosen one' while also facing skepticism from some of her peers. She might have to prove herself over and over again, like when she had to show that she could master a new form of magic that was part of the prophecy.
One possible plotline could be Hermione having to face a new and powerful dark wizard all on her own, using her vast knowledge and quick wits. For example, she might discover a long - forgotten spell that could save the wizarding world from this new threat.
One interesting plotline could be the Chosen One's journey to discover their true power. Maybe they start off as a weak trainer but gradually unlock hidden abilities that set them apart from others. They might face challenges like battling against powerful, rogue Pokemon that no one else can defeat.
Perhaps in this fanfiction, Draco Malfoy has a change of heart and is revealed to be the one who can truly end the dark reign. He might be in a unique position to infiltrate the Death Eaters due to his family's connections, and then use that knowledge to turn the tables on Voldemort. His Slytherin cunning could be used for good in this alternative scenario.
Well, perhaps a plotline where Ash discovers that being the chosen one means he has a connection to an ancient Pokémon prophecy. This prophecy might involve saving the Pokémon world from a looming disaster. Along the way, he might gain new Pokémon partners that are specifically destined to help him in this grand task. He could also face challenges from other trainers who are jealous of his chosen - one status.
If Hermione was the chosen one in fanfiction, it could lead to a whole new exploration of her character. Maybe she'd discover hidden powers or form unexpected alliances that would shape the course of the story in exciting ways.
Another plotline could be the Chosen One being from a small, unknown town and suddenly being thrust into a much larger conflict. Along the way, they make friends who are also on their own quests, and together they learn about the true nature of the Pokemon world and their place in it.
A really interesting plot could be Hermione being the Chosen One and having to deal with the jealousy and disbelief of her peers. Some might think she's faking it or that she's not worthy. This internal struggle within the wizarding community could add a lot of drama to the fanfiction. Also, it could lead to her proving herself in unexpected ways.
One interesting plotline could be Harry having unique magical abilities that are even more powerful than in the original books. For example, he might be able to control time in ways not seen before.
One interesting plotline could be the chosen vessel's struggle with the new powers and responsibilities. For example, if the chosen vessel has to master a new and powerful jutsu quickly to face an upcoming threat. Another could be the relationship between the chosen vessel and the other characters in Naruto's world. Maybe there are those who are jealous or those who try to protect the chosen vessel at all costs.
One idea could be Hermione discovers she's the Chosen One when she stumbles upon an ancient prophecy in the restricted section of the library. This prophecy was hidden away for centuries and she realizes it speaks of her. She then has to face a series of trials alone, without the support of Harry or Ron at first, as they are skeptical. This could lead to her growth as a character and show her independent strength.
Well, it really depends on the author's take. Some fanfic writers might show Hermione as the Chosen One by giving her a unique magical ability that sets her apart. Maybe she has a special connection to an ancient magic source. This then leads her on a journey where she has to learn to control and use this power for the greater good. In these stories, she might also face a lot of skepticism from the wizarding community at first, as they are used to the idea of a male Chosen One, like Harry. But she gradually proves herself through her deeds.