In an 'ash is apprentice of champion' fanfiction, the plot might begin with Ash's normal journey being interrupted when a champion approaches him. The champion could be from a far - off region with different Pokémon and battle tactics. Ash would be immersed in this new world of training. He'd have to learn how to control his Pokémon in ways he hadn't thought of before. There could be a tournament or a big battle event where Ash has to prove himself as the champion's apprentice. And as he progresses, he might start to develop his own unique brand of training and battling that combines what he learned from the champion with his own experiences, all while forging a deep friendship with the champion.
Well, in an 'ash unknown champion' fanfiction, the plot might involve Ash getting lost in a mysterious region. There, he stumbles upon an unknown champion who is facing some sort of problem, like a group of poachers targeting their rare Pokémon. Ash decides to help the champion, and in the process, they exchange their Pokémon training techniques. As they work together, Ash realizes that there are so many new ways to approach Pokémon battles that he hadn't known before.
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.
In an Ash betrayed champion fanfiction, perhaps the champion has been secretly working with a villainous group. The champion lures Ash into a trap under the pretense of a friendly battle. Ash, being trusting, falls for it. He then has to find a way to escape and get revenge. He might meet some new allies along the way who help him see the champion's real motives.
I'm not sure about a specific 'ash is apprentice of champion' fanfiction. However, you could try looking on websites dedicated to Pokémon fanfiction. Some well - known ones often have a wide variety of stories. You might have to dig a bit, but it's likely there are some great ones with that theme. Start by looking at the most recent or highly rated fics and see if any fit the bill.
One possible plot could be that Ash returns as a champion but is betrayed by his former friends who are jealous of his new status. They might spread false rumors about him, causing him to lose the support of the people. Ash then has to prove his worth all over again and show that he is still the same person at heart.
One possible plot could be that Ash is betrayed by his friends in the Alola region who are jealous of his champion status. They might spread false rumors about him, which leads to his isolation. For example, they could claim that he used unfair means to win the championship. This would make Ash feel betrayed as he thought they were his true friends.
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.
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.
One possible plot could be that Ash, Misty, and Wallace are all competing in a grand Pokémon championship. Blastoise, being Ash's powerful Pokémon, plays a crucial role in the battles. Along the way, they face various challenges and form an unexpected alliance to overcome a common enemy who is trying to disrupt the championship.
In this 'ash champion harem fanfic' plot, Ash has just won the championship. As a champion, he is invited to exclusive Pokémon events around the world. At these events, he meets a diverse group of female characters. Some are strong battlers, some are Pokémon researchers. They all start to admire Ash for his champion - like qualities. Ash, being a bit naive at first, doesn't realize their romantic interests. But as time passes, he has to figure out how to deal with these relationships without affecting his status as a champion.