One common plotline could be that Sabrina, perhaps feeling overlooked or underestimated by Ash, decides to betray him in a Pokémon battle. She might use underhanded tactics to win, which causes a rift between them.
Well, another option to find 'ash sabrina betrayed' fanfics is to ask around in relevant Discord servers. There are often channels dedicated to fanfic discussions and sharing. People in those servers are usually quite passionate about fan - created content and might have come across or even written fanfics with this theme. Just be sure to respect the rules of the server when asking for recommendations.
It could also be due to competition. Sabrina might see Ash as a threat to her status as a powerful trainer. If Ash starts to gain more recognition and success, Sabrina, being prideful, could feel betrayed as if Ash is trying to overshadow her and thus take actions against him.
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.
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.
One idea could be that Ash and Sabrina team up to compete in a special Pokémon tournament. They train together, learn from each other's strategies, and form a strong friendship along the way. Ash could show Sabrina some new ways of bonding with Pokémon, and Sabrina could share her deep knowledge of Pokémon types and moves with Ash.
For Ash, his character can be developed by showing his growth in understanding psychic - type Pokémon. Since Sabrina is a psychic trainer, his interactions with her can make him more aware of different strategies. For Sabrina, she can develop by becoming more empathetic. Ash's bold and sometimes reckless nature can teach her to be more open - minded. For example, Ash might introduce her to some new ways of training that she hadn't considered before.
One interesting plot idea could be Ash getting lost in Sabrina's psychic maze and having to rely on his Pokémon's instincts more than his own. Another could be Sabrina having a premonition about Ash's future battles and deciding to train him in psychic - type moves. Or perhaps there's a Pokémon that is causing chaos in the town and Sabrina and Ash have to team up to stop it, which also helps Sabrina to open up more and become less aloof.
One idea could be Ash and Sabrina teaming up to face a new and powerful Pokemon that threatens their region. They have to combine their unique skills and knowledge of Pokemon to defeat it.