It could also revolve around a genetic experiment gone wrong that accidentally creates a new form of evolution for some Pokemon. These newly evolved Pokemon are initially feared but eventually prove to be helpful in a crisis situation, teaching the humans and other Pokemon the importance of acceptance and adaptability.
It could be a scientist who is involved in the study of Pokemon genetics. While trying to understand the mechanics of evolution better, they accidentally stumble upon the new evolution and then become involved in the events that unfold as a result, both in the scientific and the trainer communities.
The plot could center around a Pokemon fanfic in a new era where the concept of Mega - Evolutions has evolved further. There are now Ultra - Evolutions that are extremely powerful but also come with a great risk. A trainer discovers a hidden power within their Pokemon that allows it to achieve this Ultra - Evolution. However, they must first understand the true nature of this power and overcome many challenges, including rival trainers who want to steal this power for themselves. It could also involve exploring new regions that have emerged due to geological or magical changes in the Pokemon world.
Maybe in the fanfiction, there's a new type of Pokemon that is specifically good at dental care. It could be a small, cute Pokemon that teams up with a human dentist. They travel around the Pokemon world, helping out all kinds of Pokemon with their dental problems. The fanfiction could show different types of Pokemon teeth and how they are unique in terms of dental care needs.
One idea could be a story where a young trainer discovers a rare and mysterious Pokemon that has the power to control time. The trainer then has to protect this Pokemon from an evil organization that wants to use its power for their own gain.
One plot could be Cynthia dealing with the challenges of being a trainer while pregnant. Maybe she has to face a powerful opponent but she's worried about the baby's safety.
One possibility could be that Meowth evolves after a deep emotional experience. Maybe it befriends a Pokémon that is in great danger and through the process of saving it, Meowth unlocks a new level of power within itself and evolves. This could lead to a whole new form with different abilities and a more noble appearance.
The plot might center around a Magma Grunt who gets separated from the rest of the team during an important mission. While alone, he forms an unexpected bond with a local Pokemon and its trainer. This bond makes him question his loyalty to the Magma Team and he has to decide whether to stay true to his old beliefs or embrace a new way of thinking about Pokemon and their relationships with humans.
One idea could be a story where a new trainer discovers a rare and powerful Pokemon that has unique abilities not seen before in the new generation. This Pokemon could be the key to unlocking a hidden mystery in the Pokemon world.
One idea could be the main character being reborn as a Pikachu and having to navigate the world with its electric powers while making friends with other pokemon. Another could be being reborn as a Eevee and having the unique ability to evolve into any form at will, which causes both envy and admiration among other pokemon. Maybe the reborn pokemon has memories of being a human and uses that knowledge to outwit trainers and other threats.
In this fanfiction, if Ash turns into a pokemon, perhaps he becomes a Charmander. He could struggle with being in a different form. He might have to adapt to the life of a fire - type pokemon, facing challenges like being weak against water - type attacks and trying to find a way to change back while still having adventures with his friends, who now have to protect him in a different way.