One idea could be a fanfic where the legendaries have to work together to stop an ancient evil that is threatening the Pokemon world. This evil could be a powerful dark force that has been awakened and only the combined powers of the legendaries can defeat it.
One idea could be a fanfic where the legendary Pokemon have human-like lives in a secret society. They deal with normal problems like friendship, rivalry, and finding their place in the world, all while hiding their true identities from humans.
One possible plot could be that the powerful pokemon legendaries, feeling that humans have overstepped their bounds in terms of exploiting the pokemon world. So they use their extraordinary powers to enslave humans, forcing them to work in areas like restoring damaged pokemon habitats. This would turn the normal relationship between humans and pokemon upside down.
Well, a plot could revolve around Janine being involved in a Pokemon tournament where she uses her unique Poison - type Pokemon in unexpected ways. She might face some opponents who underestimate her because of her small stature but she proves them wrong with her brilliant strategies. Or perhaps a story where Janine discovers an ancient Pokemon artifact that has the power to control all Poison - type Pokemon and she has to protect it from evil forces.
A great plot could involve a world where Skin Pokemon are the outcasts because their changing abilities are seen as untrustworthy. A group of trainers decides to prove that Skin Pokemon are just as loyal and worthy as any other type. They form a sort of rescue team for Skin Pokemon in danger and work towards changing the perception of these unique creatures in the Pokemon world.
Maybe a fanfic where a trainer gets transported into the Pokemon world from our own world. They have to quickly learn the rules and make friends with Pokemon to find a way back home while also exploring the different regions and their unique Pokemon.
One idea could be a Pokemon scientist discovers a new type of Pokemon evolution that is triggered by an unusual environmental factor. For example, a certain type of rare crystal found deep in a cave that causes a Pokemon to evolve into a form never seen before. Another plot could involve a scientist trying to find a way to communicate with Pokemon on a deeper level, perhaps by creating a device that can translate their thoughts. Or, a Pokemon scientist might be on a quest to understand why some Pokemon have unique abilities that seem to go against the known laws of Pokemon biology.
A great plot could involve a group of friends in Alola who enter a Pokemon tournament with their underdog team. They face tough opponents but through their bond with their Pokemon and some clever strategies, they start to make a name for themselves in the tournament. Along the way, they also learn more about the different Alola Pokemon species and their habitats.
Well, you could have a story where a new type of Pokemon is discovered that has vampire - like characteristics, like draining the energy of other Pokemon instead of blood. The main character, a young trainer, has to figure out how to deal with this new threat. Or perhaps there's a vampire Pokemon that was once a normal Pokemon but was cursed. It then tries to find a way to break the curse while befriending a group of trainers.
One idea could be Jasmine going on a journey to find a rare steel - type Pokemon to strengthen her team. Another could be her mentoring a young trainer who has an affinity for steel - type Pokemon. Maybe she could also get involved in a mystery related to a strange steel - type Pokemon behavior in her hometown.
One idea could be exploring the backstory of how Professor Oak started his research on Pokemon. Maybe he had a special encounter as a young trainer that inspired him to study Pokemon evolution and behavior.