One interesting plot could be Ash facing a new and extremely powerful opponent in the Battle Frontier. This opponent might have a unique battle style that challenges Ash in ways he has never been before.
Another plot could be that Ash teams up with some old friends he met during his previous travels to take on a special tournament in the Battle Frontier. Along the way, they face various difficulties like differences in their battle strategies and having to deal with underhanded tactics from other competing teams. But through their friendship and determination, they strive to win the tournament.
Maybe in the fanfic, Ash discovers a hidden area within the Battle Frontier that holds ancient Pokémon training secrets. He then has to compete against other trainers who also found out about it, in a race to master these new techniques. This would add a whole new level of adventure to the story.
One exciting plot could be Ash facing a new and powerful trainer at the Battle Frontier. This trainer has a unique set of Pokémon that Ash has never encountered before. It would be a tough battle, testing Ash's skills and strategies.
Obviously, Ash is one of the main characters. His Pokémon, like Pikachu, are also important characters in the fanfic as they participate in battles.
Well, a plot could be that the Frontier Brain has some sort of mystery surrounding them. Ash gets intrigued and starts to investigate. As he digs deeper, he discovers a connection between the Frontier Brain and an ancient Pokemon legend. Along the way, Ash's Pokemon grow stronger as they face various challenges related to this mystery. Or perhaps there's a plot where Ash accidentally angers a Frontier Brain and has to find a way to make amends through a series of difficult Pokemon battles and quests.
One possible scenario in this fanfiction could be Ash using his unique battle strategies in the Battle Frontier. Since he's a 'brain' here, he might outwit his opponents with complex plans. For example, he could analyze his opponents' Pokémon teams in great detail before the battle, predicting their moves and formulating counter - strategies on the fly.
One great Pokemon Ash Battle Frontier fanfiction is 'Ash's True Potential at the Battle Frontier'. It really shows Ash evolving as a trainer in unique ways during his Battle Frontier challenges.
The plot could revolve around Ash being recognized for his strategic mind in the Battle Frontier. He could be challenged by various tough opponents who want to test his skills. Each battle would be a test of his wits, and he'd have to constantly adapt his strategies.
One interesting plot could be Ash and Bayleef going on a special adventure to find a rare Pokemon. They might face various challenges along the way, like tough terrains and other Pokemon battles.
Perhaps Ash becomes a Frontier Brain after traveling to a new region where the Frontier system is in chaos. He steps in to reorganize it and make it more about the bond between trainers and their Pokemon rather than just winning. He could introduce new rules such as a 'Pokemon's Choice' round, where the Pokemon gets to pick the battle conditions for one round.
Well, it could be about Ash growing up, both in terms of his skills and his personality. Maybe he faces some tough challenges in the Battle Frontier that force him to become more mature, like learning from his losses and becoming a better strategist.
The allure of Pokemon Ash Battle Frontier fanfiction lies in the opportunity to expand on Ash's growth as a trainer. The Battle Frontier is a place where Ash can truly test his skills and prove himself. Fanfictions often delve deeper into his emotions, his decision - making during battles, and his relationships with his Pokemon. Also, the Battle Frontier has a lot of different facilities with their own rules and challenges, which provides a rich backdrop for fanfiction writers to create exciting and engaging stories.