What could be the plot in a 'Pokemon Ash has a brother' fanfiction?

Well, it could be about Ash having a secret power that he's been hiding all along. Maybe it's a special connection to a legendary Pokemon that no one knows about.

One possible plot could be that Ash discovers his lightning powers during a battle with a powerful electric - type Pokemon. This new power gives him an edge in his journey to become a Pokemon master, but he also has to learn to control it. He might face challenges from other trainers who are jealous of his new ability.

In this fanfiction, if Ash turns into a pokemon, perhaps he becomes a Charmander. He could struggle with being in a different form. He might have to adapt to the life of a fire - type pokemon, facing challenges like being weak against water - type attacks and trying to find a way to change back while still having adventures with his friends, who now have to protect him in a different way.

Sure, there are. Often, these fanfictions will give the brother a unique backstory. Maybe he was separated from Ash at a young age and has been on his own Pokemon journey in a different region. Their reunion in the fanfiction could be filled with emotion, and they could then team up to take on powerful Pokemon trainers or face some great danger together.

The plot might involve a strange scientific experiment gone wrong. Ash volunteers for an experiment that aims to enhance the bond between trainers and Pokemon. However, something goes haywire and he begins to transform into a Pokemon. In his new form, he has to participate in Pokemon battles in a very different way. He might be able to use moves in ways that normal Pokemon can't because of his human knowledge. His transformation also causes chaos in the Pokemon community as they are not used to a human - turned - Pokemon, and his friends struggle to keep his identity a secret while trying to reverse the process.

Well, the plot could involve Ash visiting a dairy farm where there are many Miltank. One particular Miltank is very shy and doesn't produce milk like the others. Ash decides to help it gain confidence. He uses his knowledge of Pokemon and training methods. He spends time with the Miltank, shows it kindness, and eventually, the Miltank overcomes its shyness and becomes one of the best milk - producing Miltank on the farm. This story could also include Ash learning about the importance of different types of Pokemon in different industries, like the dairy industry in the Pokemon world.

Well, it could be about Ash experimenting with new battle strategies. For example, he might try to combine different Pokemon moves in unexpected ways. Maybe he'd experiment with training his Pokemon in unique environments like a mysterious forest filled with rare Pokemon. This could lead to his Pokemon evolving in new and exciting ways, and he could discover new Pokemon abilities along the way.

A possible plot could be that Ash discovers a rare male Pokemon that has unique powers. He decides to catch it and train it. Along the way, he faces other trainers who also want this Pokemon. This leads to intense battles and strategic planning on Ash's part to keep his new male Pokemon friend safe and to help it reach its full potential.

The plot could involve a threat to Alola. Ash and Lillie, now in love and getting married, have to put their wedding plans on hold to save the region. Along the way, they discover that their love gives them extra strength. They defeat the threat together and then have a grand wedding celebration, which is attended by Pokemon trainers from all over the world.

One possibility is that Ash's Ekans could be a special one with unique abilities. Maybe it has a hidden power that helps Ash in battles against stronger opponents. For example, it could have a super-effective type of attack that is not common among Ekans, like a special poison - type move that can paralyze opponents for a long time.