One possible plot could be that Ash and May are on a journey through a forest. They encounter Plusle and Minun who are in trouble because a group of wild Pokémon are chasing them. Ash and May decide to help. They battle the wild Pokémon together, with Plusle and Minun using their electric moves to assist Ash's Pokémon and May's Pokémon. Afterward, Plusle and Minun become friends with Ash and May and join them on their journey for a while, leading to various adventures like exploring ancient ruins and solving mysteries in the Pokémon world.
One possible plot could be that Ash and May are exploring a new region. They come across a forest where they notice Plusle and Minun playing. They decide to try and catch them. Ash uses Pikachu to try and weaken Plusle while May uses her Skitty to do the same to Minun. After a bit of a chase and some battles, they manage to catch them. Then they discover that Plusle and Minun have a special ability that can help them in their future adventures.
One idea could be that Ash and May find a pair of Plusle and Minun that are lost. They then embark on a journey to reunite them with their family. Along the way, they face challenges like wild Pokémon attacks and difficult terrains.
Ash's boldness would likely contrast with May's more refined approach. Plusle and Minun's playfulness would add a light - hearted touch. Ash might get Plusle and Minun into some wild adventures, while May would try to keep them in line when it comes to her contest - related activities. Plusle and Minun could bring out the fun - loving side of both Ash and May. For example, they might convince Ash to take a break from his intense training and have a little fun, and they could also make May see the value in just enjoying the moment with Pokémon outside of contests.
For Ash, his already existing determination can be further emphasized when it comes to protecting Plusle and Minun. He could show more patience in teaching them new things. May could become more confident in her decision - making. Maybe she takes the lead in some situations involving Plusle and Minun. For Plusle and Minun, their playfulness can be a starting point. As the story progresses, Plusle could become more cautious while Minun could grow to be bolder.
Their relationship with other Pokémon would likely change quite a bit. For Ash, his other Pokémon like Charizard might initially be a bit aloof towards Plusle and Minun. But as they see how useful Plusle and Minun can be in battles and how they contribute to the team spirit, they would warm up to them. For May, her Pokémon like Eevee could start to develop new strategies in battles with the addition of Plusle and Minun. Plusle and Minun's presence could also encourage Ash and May's other Pokémon to be more social, as they are very social Pokémon themselves. This could lead to more group activities among all of Ash and May's Pokémon, like playing games together or exploring new areas as a united group.
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.
Well, it might be that in this fanfiction, Ash is exploring a new and dangerous area in the Pokemon world. He encounters some strange phenomena or powerful wild Pokemon. There could be a situation where he is poisoned or affected by some negative energy. His body can't handle it and he collapses. His friends or Pokemon then have to search for a cure or a way to revive him, which could be the main focus of the story.
The fanfiction could start with Ash and Pikachu finding a magical lemon. When Pikachu touches it, it gets the ability to communicate with all lemon - related Pokemon. They meet a lemon - scented Jigglypuff that tells them about a hidden treasure in a lemon grove. Ash and Pikachu set off to find the treasure. Along the way, they face many challenges, like crossing a river of lemonade and fighting off other Pokemon who also want the treasure. In the end, they find the treasure which is a special lemon that can heal any Pokemon's wounds.
Perhaps in this fanfiction, Ash discovers that he has a deeper connection to Mew than he ever thought. It could involve Mew choosing Ash as a special trainer to carry out a very important mission in the Pokémon world, such as saving a certain region from a new and powerful threat. This would lead Ash to face many challenges and grow in ways he hasn't before.
I'm not entirely sure specifically about this 'evil ash betrayed fanfiction' as there could be many different interpretations. It might involve the character Evil Ash in a situation where he betrays someone or something within the context of the fan - created story.