One possible scenario in this fanfiction could be that Ash has to overcome his toughest opponents yet in Unova. He might face trainers with unique and powerful Pokémon that he has never encountered before. His Pikachu would surely play a crucial role, using its speed and electric attacks to outwit opponents.
The plot could involve Ash facing his toughest rivals from all the regions he has visited. He might have to overcome personal doubts and insecurities along the way. His Pokémon team could gain new powers or evolve at crucial moments. For example, his Charizard could return and play a key role in a battle. The final battle could be against a mysterious and powerful trainer who has a unique set of Pokémon. Ash would need to use all his experience and knowledge to win.
Well, Ash would probably start by traveling across Unova, taking on gym battles one by one. Each gym battle would be a test of his skills and his bond with his Pokémon. He might struggle in some battles, like against a gym leader with a type advantage over most of his Pokémon. But he'd learn from those defeats and come back stronger.
A great 'Ash becomes Kalos Champion' fanfiction would have a strong sense of progression. Ash should start at a certain level and gradually become more powerful as he overcomes various obstacles in Kalos. The fanfiction could also explore the backstories of his Pokémon in more detail, like how they came to be with Ash and what their own goals are. Additionally, the way Ash interacts with the local Pokémon and trainers in Kalos can add depth and authenticity to the story.
One likely betrayer could be Serena. Maybe she has some hidden motives that are revealed when Ash becomes champion. For example, she might be jealous of his success and the attention he gets as champion, and so she betrays him.
One possible plot could be that Ash's so - called friends in the Kalos region turn on him out of jealousy. Maybe they can't handle the fact that he has become the champion. They start spreading false rumors about him, which makes the public turn against Ash. This betrayal could lead Ash to question his own journey and the relationships he has formed.
Overcoming challenges is also a major theme. There are always tough opponents and difficult situations in these fics. Ash has to find ways to defeat powerful trainers and deal with various problems that come his way. This shows his perseverance and determination to achieve the champion status.
The unknown champion could be a reclusive hermit - like character who has been living in seclusion in a forest. They have trained their Pokémon in harmony with nature and have a very different approach compared to the more mainstream trainers. Maybe they are an old - timer who has seen different eras of Pokémon training.
In many fanfictions, Ash becomes champion of Alola through his unwavering determination. He has spent so much time traveling, learning about different Pokémon, and growing as a trainer. His bond with his Pokémon, like Pikachu, is a major factor. In fanfic stories, this bond might be even more emphasized, allowing them to overcome tough opponents together. Also, his experiences in Alola, learning about the unique Z - moves and the local Pokémon, give him an edge. He might use his knowledge of different battle styles he has picked up throughout his travels to outwit his opponents in the championship battles.
There's a great 'ash becomes champion fanfic' called 'Ash's Champion Journey'. In this fic, Ash not only battles strong opponents but also overcomes his own self - doubts. It really shows his growth as a trainer. The writer does an amazing job of portraying Ash's determination and the relationships he has with his Pokémon.