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.
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.
The plot could revolve around Ash's initial confusion and conflict. He might join Team Rocket thinking he can change them, but soon realizes it's not that easy. His loyalty to his old friends would be tested as he gets drawn deeper into Team Rocket's plans.
Well, if Ash joined Team Rocket, he'd probably bring a whole new dynamic. His skills as a trainer could be used in unexpected ways. Maybe he'd try to reform Team Rocket from the inside, using his kind heart and love for Pokémon to change their ways. He could also introduce new strategies for capturing Pokémon that are more ethical than Team Rocket's usual methods.
His Pikachu might gain more control over its electric powers. For instance, it could learn to direct its thunderbolts with more precision, hitting the opponents' weak points accurately. This evolution in Pikachu's skills could be due to the intense battles in the Hoenn league.
If Ash joined Team Rocket in a fan fiction, his Pokémon might be really confused at first. Pikachu, for example, is used to Ash being a good guy. But over time, they could adapt. Ash could start to see the Pokémon world from a different perspective, like how Team Rocket views Pokémon as a means to gain power and wealth. However, deep down, Ash's kind heart might still shine through and he could end up changing Team Rocket from the inside instead of fully becoming a bad guy.
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.
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.