It often depends on the specific plot and character development. Sometimes, ash might be more serious when facing a major challenge or a threat to his friends.
In many cases, ash becomes more serious in Alola fanfiction when there's a tournament at stake or when he realizes the importance of a particular goal.
In Kalos fanfiction, Ash might get more serious when he realizes the importance of a particular competition or when he encounters a powerful opponent that forces him to focus and give his all.
In many Alola fanfictions, Ash acquires more Pok茅mon as he progresses through his adventures and forms deeper bonds with them.
In many Alola fanfictions, Ash catches more Pok茅mon when he teams up with local trainers or when he explores hidden areas with unique Pok茅mon species. It could also occur during intense battles where he shows great skill and earns the opportunity to catch new Pok茅mon.
It could mean that Ash in the context of the Pokémon Alola region is deeply engaged or committed in the fan - created stories (fanfiction). Maybe he shows strong emotions, has important roles, or his character development is taken very seriously by the fanfiction writers.
The depth of his relationships in the fanfiction can be an indicator. If his relationships with his Pokémon, friends, and rivals in Alola are complex and well - developed, it implies that the writers are serious about his role in the Alola - based fanfiction. For instance, if there are detailed descriptions of his bond with his Alola Pokémon and how they train together, it shows that Ash's role in this fanfiction is important and serious.
In some Alola fanfictions, Ash starts to show increased intelligence when he faces challenging battles and learns from his mistakes.
In fanfiction, when Ash meets Serena in Alola, they might go on a new adventure together. They could explore the unique Pokémon in Alola and share their experiences. Maybe Serena would be excited to see all the new Pokémon forms and Ash would show her around his new stomping grounds.
One typical plotline is that Serena's arrival in Alola causes some jealousy among Ash's new friends there. But as they get to know her better, they all become friends. Also, they could discover a rare Pokémon together in Alola and have to figure out how to protect it or help it. This could involve a series of exciting events and battles.
In fanfiction, Ash and Greninja might have all kinds of adventures in Alola. They could encounter new Pokémon species that are unique to Alola. Greninja could show off its skills in the new environment, impressing the local trainers. Maybe they'll participate in the Alola Pokémon League together and face strong opponents.
Greninja might adapt quickly. It could use its natural agility to explore the new terrains of Alola. The warm climate and different types of water sources might be new to it, but it could adjust well. For example, it might find new hiding spots in the Alola forests or enjoy swimming in the crystal - clear Alola waters.