Well, a common plotline in such a fanfic might revolve around Ash training Froakie to evolve. He could face difficulties in finding the right methods or resources for the training. There could also be a plot where Froakie gets into some sort of trouble, like being captured by an evil organization, and Ash has to rescue it. Another interesting plot could be that Froakie has a past that is somehow linked to Ash's family or an important event in the Pokémon world, and as they journey together, they uncover this hidden connection.
In an 'ash starts with froakie fanfic', there could be a plotline where Ash and Froakie encounter a powerful and rare Pokémon that they must work together to either defeat or befriend. It could also be about Froakie being separated from Ash and then the two of them trying to find each other again through a series of adventures. Or perhaps there is a mystery in the Pokémon world that only Ash and Froakie can solve together because of their unique connection.
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.
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 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.
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.
A plotline might be that Latios is from a different dimension or time, and it has come to Ash's world for a specific purpose. Ash gets involved in this mission, and together they have to face powerful enemies. This could introduce new Pokémon species from other dimensions and new battle strategies that Ash has to learn to keep up with the challenges.
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.
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.
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.
Well, in addition to the main ones I mentioned before, there could be some of the local Pokémon trainers that Ash meets on his first day in Alola. There might also be some of the Totem Pokémon that he has to face during his adventures. And who knows, maybe some characters from previous regions that Ash has visited might make a cameo appearance in the Alola fanfic. For example, Brock or Misty could show up for a short visit to see how Ash is doing in Alola.
A plotline could involve a special Pokemon that both Ash and Paul are interested in. They might compete to catch it, which could involve a series of challenges and battles. Or, perhaps there's a new type of Pokemon training technique that one discovers and the other tries to learn from or outdo. This could create an interesting dynamic in the fanfic.
A plotline might involve Ash as a female Mewtwo being hunted by some evil organization that wants to capture and study her. She then has to use her new form and wits to evade them. It could also include her trying to find a way to turn back into her original self while also learning about the secrets of the Mewtwo species.