Well, in such a fanfiction, they might start as rivals. Dawn could be showing Serena some of her Contest skills, and Serena could be sharing her experiences in Pokémon showcases. They could also team up to face a common threat in the Pokémon world.
In 'pokemon dawn meets serena fanfiction', perhaps they meet during a Pokémon journey. Dawn, with her knowledge of Sinnoh Pokémon, and Serena, with her Hoenn and Kalos Pokémon knowledge, could exchange ideas on training and evolution. Maybe they enter a special Pokémon event together and learn to trust each other more along the way.
One possibility in the 'pokemon dawn meets serena fanfiction' is that they initially have a misunderstanding. Dawn might think Serena is too focused on her looks during Pokémon battles, while Serena could see Dawn as too traditional. But as they spend more time together, they discover each other's strengths. For example, Serena could teach Dawn some new battle strategies she learned in Kalos, and Dawn could introduce Serena to some unique Sinnoh Pokémon. They could become great friends who support each other's Pokémon goals.
In this fanfiction, Ash and Dawn might go on an adventure together. They could encounter rare Pokémon and have to work as a team to catch them.
In the 'pokemon dawn meets serena fanfiction', it could be that a new and powerful Pokémon appears that is causing trouble in both Sinnoh and Kalos regions. Dawn and Serena are called upon to stop it. At first, they struggle to work together because of their different training styles. But as they get to know each other better, they combine their skills and are able to defeat the Pokémon. This experience makes them lifelong friends and they continue to explore the Pokémon world together, sharing their knowledge and experiences.
In this kind of fanfiction, they might have new adventures. They could explore the unique Alola region together, encounter new Pokemon species, and bond even more deeply. Maybe Serena would learn new battle strategies from Ash, and they would participate in local Alola Pokemon contests and battles side by side.
They could participate in the Kalos League. Ash's determination and Dawn's strategic thinking would make them a formidable team. They might also discover new Pokemon evolutions specific to Kalos and use them to their advantage in battles.
In a 'Naruto meets Pokemon' fanfiction, there could be some really interesting crossovers. For example, Naruto might be intrigued by the Pokemon and their unique abilities. He could try to learn some of their moves to add to his ninja skills. Maybe he would form a bond with a Pikachu, and they would go on adventures together. It would be a world where the shinobi world and the Pokemon world collide in a very exciting way.
In a 'sonic meets pokemon fanfiction', Sonic could end up in the Pokemon world and start racing against some of the faster Pokemon like Rapidash. Maybe he'd form an unlikely friendship with Pikachu, with Pikachu using its electric attacks to help Sonic out of tough situations, like zapping robotic enemies that Sonic might encounter in this new world.
Well, Ash could be invited to Dawn's home and meet her brother there. Her brother might be a collector of rare Pokémon items, and Ash could be really interested in seeing his collection. This could lead to an exciting moment where Ash discovers a new item that could potentially help him in his future battles.
Well, Scorbunny might be really excited to meet Garfield. Scorbunny is full of energy and always ready for an adventure. Garfield, on the other hand, is a bit lazy. So maybe Scorbunny would try to get Garfield to play or go on an adventure with it. But Garfield would probably just want to lie around and eat lasagna. It could be a really funny encounter with lots of comical misunderstandings between the two characters from different universes.
In the 'pokemon red meets ash fanfiction', Ash could potentially encounter the original starter Pokemon from Pokemon Red in a new and exciting way. He might have to face different challenges related to the game's mechanics, like dealing with the different gym leaders' strategies that are specific to Pokemon Red. And it's possible that he forms new friendships with the game - exclusive characters.
In this fanfiction, Ash might learn some new battle strategies from Red. Since Red is a very experienced trainer, he could show Ash some unique ways to train Pokémon.