One idea could be that Ash is betrayed by his so - called friends in the Pokémon world. They might be jealous of his status as the Chosen One and team up against him. For example, Gary could spread false rumors about Ash, causing other trainers to doubt him.
Another angle could be that the Pokémon League itself betrays Ash. They might set up unfair battles or rules specifically to stop him from achieving his ultimate goal. It could be because they fear the power he might gain if he becomes the true Champion. Maybe they secretly work with Team Rocket to ensure his downfall.
Well, Ash could lose his trust in people. If he's betrayed, he might become more guarded and less likely to form new friendships. This could change his entire approach to his Pokémon journey. He might start to rely more on his Pokémon for emotional support rather than other humans.
His rival could be the one to betray him. Rivals are often jealous and competitive. If Ash's rival saw an opportunity to gain an advantage by betraying him, they might do it. For instance, they could lie about Ash to the Pokémon League, getting him disqualified from important battles.
One example could be a story where Ash is betrayed by his so - called friends in the Pokémon world who are jealous of his status as the chosen one. They might spread false rumors about him, causing him to lose the trust of the people around him.
Perhaps in the fanfiction, Ash was betrayed by a powerful mentor figure. This mentor, who was supposed to guide him, saw Ash as a threat to their own power or plans. So they leaked Ash's secrets to his enemies, which led to his downfall. It could also involve a love interest. Say, a girl Ash trusted and liked turned out to be working for the villains all along and used his feelings for her to betray him.
The development could involve a complex plot. First, establish Ash's journey as the chosen one. He has a mission, and he's making progress. But then, an unexpected entity betrays him. This could be a spirit or a powerful trainer. They use Ash's trust against him. For example, they lead him into a dangerous situation under the pretense of helping him. As a result, Ash loses his confidence and has to start from scratch to regain his status and trust. The story can then focus on his redemption and how he overcomes the betrayal.
In this kind of 'ash and riolu betrayed fanfic', it might be that Ash and Riolu are in a Pokémon tournament. They meet a new trainer who seems friendly and offers to team up with them. However, during the tournament, this so - called friend betrays them by using underhanded tactics. This could include things like secretly weakening Riolu before a battle or spreading false rumors about Ash to other trainers. As a result, Ash and Riolu not only lose the tournament but also feel deeply hurt and betrayed.
The 'ash aura of the chosen one fanfic' could potentially be about a lot of things. It might be a story where the chosen one has an ash - like aura that is a sign of their impending transformation or ascension. Maybe this aura is something that has been passed down through generations in a hidden bloodline. Or it could be that the ash aura is a mark that appears when the chosen one is in the presence of a certain object or place that is crucial to their destiny. There could also be other characters in the fanfic who are either in awe of this aura or seek to destroy the chosen one because of it.
Maybe in the fanfic, a mad scientist creates a device that accidentally swaps Ash's essence with Mew's. As Mew - in Ash's body - Ash has to figure out how to reverse the process while also dealing with Team Rocket, who notice something very strange about 'Ash'. Meanwhile, the real Ash, in Mew's form, tries to use Mew's abilities to stop the scientist from causing more chaos.
One idea could be a story where Ash and Rina are on an adventure in a magical forest. They encounter various mythical creatures and have to work together to find their way out. Maybe they start as strangers but gradually form a strong friendship throughout the journey.
In such a fanfic, perhaps Ash and Paul were on a journey together in the Pokémon world. They might be part of a team for a big tournament. Then, one of them could make a deal with a rival group behind the other's back for personal gain, like getting access to a rare Pokémon. This would be the betrayal.