Well, in some 'pokemon ash betrayed fanfic', there are stories where Ash's Pikachu is somehow forced to leave his side because of false accusations against Ash. This makes Ash feel extremely betrayed as Pikachu was his closest companion. Also, there could be fanfics where Ash's rivals spread lies about him in the pokemon trainer community, leading to many trainers turning their backs on him.
It could be a powerful and jealous Galar trainer. This trainer might see Ash as a threat to their own reputation and success in the region. They would then use their influence and charm to turn Ash's friends against him.
One possible analysis could be that in such a fanfiction, the idea of Ash being betrayed might be a way to create drama. It could involve his friends or companions in the harem turning against him for various reasons like jealousy or misinformation.
In such a fanfiction, Ash might become extremely isolated. He could lose faith in his Pokémon and himself. Maybe he'd leave the Pokémon world in despair, feeling that all his efforts were in vain. Without the support of his friends and Pokémon, his once - strong will to be a Pokémon Master could crumble completely.
Well, in many such fanfictions, it could involve Ash being betrayed by Clair perhaps in a Pokémon battle strategy. Maybe Clair teams up with an unexpected rival against Ash, or she might break a promise regarding Pokémon training or a joint adventure.
In such a fanfiction, perhaps Ash could be betrayed by his friends in Alola. Maybe they misunderstand his actions or are influenced by some false information. For example, they might think Ash is secretly working for an enemy, which leads to the betrayal.
One popular 'Pokemon Ash Betrayed' fanfiction might involve Ash being betrayed by his friends in the Pokemon League. For example, they could side with a rival who offers them more power or prestige. Another could be where the Pokemon he trusts most turn against him due to some dark influence. There are also fanfictions where the Pokemon professors he looks up to use his skills and knowledge for their own gain and betray him in the process.
Well, in this kind of fanfiction, the idea of Ash being betrayed in the context of having a Mew as a mate is quite an interesting concept. It might involve a plot where Ash's friends or some other characters turn against him because of his relationship with Mew. Maybe they see it as something abnormal or dangerous.