One interesting plotline could be a trainer's journey to discover a rare and powerful Pokemon in the Kalos region. They might face many challenges along the way, like battling against powerful trainers who also seek the same Pokemon.
Another plotline could involve a Pokemon in the Kalos journey fanfiction that has some unique abilities that no one has seen before. The trainer then has to figure out how to train and use this Pokemon effectively, while also protecting it from those who might want to use it for evil purposes. This can lead to a lot of adventures and battles, as well as character development for the trainer.
I'm not sure specifically as there could be many different plots in this fanfiction. It might involve the adventures of the trainer in the Kalos region, encounters with new Pokemon, and the journey to become a Pokemon master.
One interesting plotline could be the protagonist's first encounter with a rare Unova Pokemon. It might be a unique take on how they bond and start their journey together.
One interesting plotline could be Ash and Serena getting lost in a mysterious new region full of never - before - seen Pokemon. They have to rely on each other's skills to survive and find their way out.
One interesting plotline could be Ash encountering a new and extremely rare Pokemon that has unique abilities. This Pokemon might initially be hostile but gradually form a bond with Ash as they overcome various challenges together.
In 'pokemon kalos high fanfiction', there might be stories centered around school events like Pokemon tournaments organized by the school. Characters could be preparing for these events, training their Pokemon hard. There could also be rivalries between different groups of students, each with their own set of Pokemon, adding drama and excitement to the story.
Well, you could have a plot where a young trainer in Kalos dreams of becoming the Pokemon Master but has a unique ability to communicate with Pokemon in a different way than others. This leads to some misunderstandings at first but eventually helps in solving a big problem in the Kalos region, like a natural disaster that is affecting Pokemon habitats. The trainer could team up with different types of Pokemon, including some that are not commonly used in battles, to overcome the challenges.
I don't know for sure as it's a fanfiction. But it could be a young trainer, perhaps based on the player character in the games. Maybe there are also some unique NPCs created by the fanfiction author.
Serena is also very popular. Her relationship with Ash and her own growth as a Pokemon trainer add depth to the stories. She has her own dreams and goals in the Kalos region, which makes her a great character to follow in fanfiction.
One idea could be a trainer with an underdog Pokémon that has a unique ability not fully understood yet. They face many challenges in the Kalos League but gradually learn to harness that ability to surprise opponents. For example, a trainer with a Skitty that has a hidden psychic ability.
One interesting plotline could be Ash and Alain teaming up against a common powerful enemy in the Kalos League. Maybe a new, mysterious trainer with a super - strong Pokémon that threatens to disrupt the entire league.