Definitely Ash and Pikachu are the core. But we could also see the Trial Captains in the fanfic. They play an important role in the Alola region's Pokémon training system. And there could be some mysterious characters, like some old - time Pokémon trainers who have a lot of knowledge about the Alola region's history and secrets. They could guide Ash on his journey or be a part of some challenges he has to overcome.
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.
Well, obviously Ash is one of the main characters. He's the protagonist of the Pokémon series and his journey in Alola is the focus. Pikachu is also a main character as Ash's loyal Pokémon partner. In Alola, there could be new friends like his classmates from the Pokémon school, such as Kiawe, Lillie, and Sophocles, who would also play important roles in the fanfiction.
Well, it could be about Ash arriving in Alola and making new friends. Maybe he discovers new Pokémon unique to Alola and has all kinds of adventures while trying to master the Alola - style Pokémon training.
Obviously, Ash is one of the main characters. He is the central figure around which the story likely revolves.
Obviously, Ash is one of the main characters. He is the protagonist who brings his experiences from other regions to Alola. His Pikachu is also a central character as always, being his trusty partner in battles and adventures. Then there are likely to be some new characters like his Alolan classmates or local trainers he befriends, for example, Kiawe or Lillie who play important roles in his Alolan journey.
In addition to Ash's friends, there could be some villains in the fanfiction. They might be the ones who initiate the betrayal. For example, some Team Skull members could play a role. They might manipulate the situation to make Ash's friends believe that he is not trustworthy. Also, some mysterious new trainers in Alola could be involved, either as instigators or as characters who try to help Ash later.
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 Ash making unique new Pokémon friends in Alola. For example, he might encounter a rare Pokémon that only exists in the Alola region and form a special bond with it. This could lead to new adventures and challenges as he tries to understand and train this Pokémon.
He'll surely meet the Alola region's professors. Also, the local trial captains are very likely to cross paths with Ash. And of course, the regular Pokémon trainers in Alola.
Lillie is a likely character. She could befriend Ash and they might go on Pokémon adventures together. She has her own story and growth in the Alola region, and interacting with Ash could add more depth to both of their characters. Also, Ash might meet the Trial Captains like Mallow or Sophocles. They could challenge Ash in different ways and teach him about the island challenges.
I'm not sure specifically what this particular 'ash pokemon ash alola blind fanfic' is about without reading it. It could potentially be a fan - created story where Ash is in the Alola region and has some sort of blindness - related plotline. It might involve his adventures in the Alola region with his Pokémon while dealing with this new handicap, like how it affects his battles or his relationships with other characters.