One possible plot could be Ash starting his journey in Hoenn, meeting new Pokemon like Treecko as his first partner. He might encounter Team Aqua or Magma early on and get involved in their schemes to control the weather or the land. He'll also face gym leaders, learning new battle strategies along the way.
May could be one of the main characters. She could join Ash on his journey and share her knowledge about Hoenn's Pokemon with him. Another could be Brock, still tagging along to offer his expertise in Pokemon care.
One possible fanfiction could be about Ash's adventures in Hoenn during the month of May. Maybe he discovers a new Pokémon species that is only active during this time of the year. He could be traveling with his usual companions and facing challenges specific to the Hoenn region.
In this Hoenn fanfiction, Ash and May could be on a quest to find a special item that is said to have great power. They face various obstacles and meet different characters along the way. Their different personalities - Ash being more impulsive and May being more level - headed - would play a big role in how they overcome these challenges.
I'm not entirely sure specifically what this 'serious ash in hoenn fanfiction' is about without reading it. But generally, it could be about Ash having some serious adventures or facing difficult challenges in the Hoenn region in a fan - created story.
One possible fanfic could be about Ash and May's adventure in Hoenn where they discover a hidden legend. They might encounter rare Pokémon and face challenges together, strengthening their bond as friends and perhaps hinting at a deeper relationship.
A common theme is friendship. Ash and May's relationship as friends is often explored deeply. They support each other during their Hoenn adventures. Another theme is growth. Both characters usually experience personal growth in these fanfictions, whether it's in their Pokémon training skills or in their understanding of themselves.
It depends on the specific fanfiction. Some might depict Ash starting his serious training weeks before Hoenn, while others could have it just a few days in advance.
In many fanfics about Ash's Hoenn journey, his character development is often a key aspect. He might face new challenges that are different from the anime. For example, he could have more complex relationships with his Pokémon. The fanfic might also explore different storylines for his gym battles, like facing stronger opponents or having to use new strategies.