Perhaps it's a story where Ash and Froakie form an even deeper bond than in the original series. They might go on a quest to find a rare Pokemon that only Froakie can sense, and along the way, Ash learns more about Froakie's past and its potential. Froakie could also teach Ash some new strategies in battles that help him become a better trainer overall.
In this fanfiction, Ash could develop better strategic thinking. Froakie's abilities would force Ash to come up with new battle plans. He'd study Froakie's moves and how they can be combined in different ways, thus enhancing his strategic skills. He may also become more empathetic towards Froakie as he discovers more about its nature and feelings, leading to a more well - rounded character.
I'm not sure of a specific 'ash starts with froakie fanfic' off the top of my head. But you could try searching on fanfiction websites like FanFiction.net or Archive of Our Own. They have a vast collection of Pokémon - related fanfics, and you might be able to find one that meets your criteria.
One possible plotline could be Ash and Froakie's journey to become stronger together. They might face various challenges in Pokémon battles and overcome them with their bond. Another could be Froakie having some special ability that Ash helps it to discover and master.
One interesting plot could be that Ash and Froakie have a special bond from the start that allows them to communicate telepathically. They use this to outwit stronger opponents in battles and quickly rise through the ranks in the Pokemon League.
I'm not sure about specific 'Ash starts with Froakie' fanfics. But you can try looking on fanfiction.net. They have a large collection of Pokemon fanfics and you might be able to find what you're looking for there.
It could center around the unique bond that Ash forms with Chespin and Froakie. For example, Chespin might be a bit clumsy at first but with Ash's help, it learns to control its power. Froakie could be the more serious and strategic one, guiding Chespin and Ash in tough situations. They might also meet other trainers and their Pokémon, leading to friendly competitions and exchanges of training techniques.
They might face challenges like powerful wild Pokémon that are difficult to defeat. For instance, a large and aggressive Tyranitar could be a big obstacle for them.
The fanfic could focus on Ash and Froakie's bond in Kanto. Maybe they get separated in a dense forest in Kanto and have to find their way back to each other. Along the way, Froakie discovers its hidden strengths and Ash learns more about the unique Pokémon in Kanto that he hadn't known before.
Perhaps Ash is called to Kanto for a special Pokémon event. While there, he stumbles upon Froakie being bullied by some other Pokémon. Ash steps in to protect Froakie and they immediately form a connection. Then they set off on an adventure across Kanto.