One interesting plot could be Ash and Gary teaming up against a powerful new villain in the Pokemon world. They might put aside their rivalry and combine their skills and the unique abilities of their Pokemon to save the day.
There could be a story where Gary realizes his love for Ash during a journey. They might be separated for a while, and during that time, Gary comes to terms with his feelings. When they reunite, he has to figure out how to express his love without ruining their friendship, which makes for a very emotional and engaging plot.
One interesting plot could be that they encounter a rare and powerful Pokémon in the wild. Ash wants to befriend it while Gary is more interested in studying it. This creates a bit of tension between them as they debate what to do with the Pokémon.
In some fanfictions, their relationship develops from pure rivalry to a grudging respect. As they face tougher challenges together, they start to see the value in each other's skills and ways of training Pokemon.
One interesting plot could be Ash forming a unique bond with each Pokémon in his harem. For example, he might have special training sessions with different Pokémon that are tailored to their individual strengths and weaknesses.
A cool fanfiction might be set in an alternate universe where Ash and Gary are from rival families. But as they grow up and compete in Pokemon battles, they fall in love against all odds. Their love story could be filled with secrecy, forbidden meetings, and the struggle to balance their family loyalties and their feelings for each other.
A possible plot could be that Ash gets lost in a spooky area where Fantina is known to reside. She takes him under her wing and shows him the secrets of the area. Along the way, they train their Pokemon together and Ash learns new battle techniques from Fantina. This encounter could also lead to Ash becoming more confident in dealing with Ghost - type Pokemon, which Fantina is an expert in.
One interesting plot could be Ash and Nora teaming up to discover a new and rare Pokemon species. They might face challenges like difficult terrains and other trainers trying to stop them.
In some 'pokemon ash and oc fanfiction', the plot might revolve around the OC coming from a different region with a whole new set of Pokemon. This could introduce Ash to new training techniques and Pokemon species that he hasn't encountered before, adding a fresh dimension to his journey.
One interesting plot could be Ash and Gold teaming up to face a new and powerful villain. They combine their unique skills and Pokémon to overcome the challenges. For example, Ash's Pikachu and Gold's Totodile working together in a battle.
One interesting plot could be Ash and Greta teaming up to compete in a special Pokemon tournament. They face various challenges and opponents together, and along the way, they learn new techniques from each other. Greta might teach Ash some unique fighting - type strategies as she is skilled in that area.