One idea could be that Ash discovers a hidden power within himself related to water types. Maybe he has a special connection with a rare water - type Pokemon that helps him unlock this new ability. For example, he meets a mythical water - type Pokemon in a hidden cave. The Pokemon sees Ash's pure heart and decides to bond with him, allowing him to control water in ways he never thought possible.
Perhaps Ash is magically transformed into a water - type Pokemon for a short period. During this time, he experiences the world from a water - type's perspective. This gives him unique insights into their abilities and how to use them effectively. When he transforms back, he combines his human strategic thinking with his new - found water - type knowledge to become a water master in his own right.
In a fanfiction, Ash could become a water master by training intensively with his existing water - type Pokemon like Squirtle and Totodile. He might go on a journey to a water - type Pokemon sanctuary where he learns ancient water - type battle techniques from the wise elders there. This would not only make him a water master but also give him a deeper understanding of the water - type Pokemon's nature.
In fanfiction, Ash might discover a special water - type stone that enhances his bond with his water - type Pokemon. This stone could have the power to boost their abilities and his own understanding of them. With this new advantage, he enters water - type Pokemon tournaments and gradually builds his reputation as a water master. He also shares his experiences with his friends, who support him in his journey.
Ash could be a Pokémon trainer with a different starting point in this fanfiction. Born in 1987, by 1997 he might have already made a name for himself in local Pokémon battles. He could have a team of Pokémon that he rescued from difficult situations, like a Charmander that was abandoned by its trainer. His story could revolve around giving these Pokémon a second chance and proving that Pokémon don't need to be 'perfect' to be strong.
One idea could be a fanfiction where a girl joins Ash on his journey. She might have a unique Pokemon that helps Ash in a difficult battle. For example, she could have a psychic - type Pokemon that can sense the opponents' next moves and help Ash strategize better.
In this fanfiction, Ash and May could be on separate adventures in Kalos at first. But then, they cross paths when they both get involved in a mystery related to a rare and powerful Pokémon in Kalos. They have to put their heads together, along with their Pokémon, to solve the mystery and protect the Pokémon from those who would use it for bad purposes.
In Rota, there could be a Pokemon - related prophecy. Ash and Misty are somehow at the center of it. They have to figure out what the prophecy means and how it relates to their journey. Along the way, they meet different characters in Rota who either help or hinder them. Their relationship is put to the test as they face difficult decisions based on the prophecy, but in the end, they come out stronger together.
One idea could be that Ash discovers a Sylveon in a forest. The Sylveon is injured and Ash takes it upon himself to nurse it back to health. This could lead to a strong bond between them, and Sylveon could become a unique addition to his Pokémon team, with new adventures and battles ensuing.
A common theme is Ash's growth as a pokemon trainer. In most of these fanfictions, he starts from a certain level and gradually becomes stronger, more skilled. Another theme is friendship. Ash's relationships with his pokemon and his human friends are often explored deeply. Adventure is also a big theme. He goes on various quests, travels to different regions.
One idea is that Ash enters a hidden tournament where the rules are different. To compete, he has to endure intense physical training, which gradually makes him muscular. Another could be that a powerful Pokemon's aura has an impact on Ash's body, causing him to become more muscular as he spends time with it.
Perhaps in the fanfiction, the baby is born with a unique Pokemon egg that hatches into a never - before - seen Pokemon. Ash and Misty then have to figure out how to raise this new Pokemon along with their child. It could be a Pokemon that combines the characteristics of some of their favorite Pokemon.
In some fanfictions, the girl's clothes are related to her Pokemon evolution journey. Maybe when her starter Pokemon evolves, she gets a new set of clothes that symbolizes their growth together. It could be a more elaborate and powerful - looking outfit. Also, there are often stories where she dresses up to impress Ash or to show her confidence during a difficult battle. This could involve a flashy, battle - ready costume with bright colors and strong - looking boots.