In these fanfictions, Ash usually has a deep sense of empathy towards Riolu. He can sense when Riolu is sad or excited. For example, if Riolu is homesick, Ash will do his best to make Riolu feel at home. He might find Riolu's favorite foods or create a comfortable place for it to sleep. His caring nature towards Riolu is a big characteristic in these stories.
Riolu's personality could develop in a way that it becomes more confident. At first, it might be scared of battles and new situations. But as Ash encourages it and they have small victories, Riolu starts to believe in itself. For example, after winning a small battle against a weak pokemon, Riolu realizes it has the potential to be strong.
In some fanfictions, there's a plotline where Riolu is initially distrustful of humans because of some past trauma. Ash, with his kind heart, slowly breaks through Riolu's barriers. They then train together to enter a big Pokemon tournament. Riolu's unique fighting style, combined with Ash's battle strategies, makes them a formidable team in the tournament.
One possible plot could be that Ash finds a Riolu as his starter pokemon. Riolu is initially very shy and distrustful of Ash. But as they go on adventures together, Riolu starts to open up. They face challenges like battling against Team Rocket who tries to steal Riolu for its potential power. Ash has to train Riolu not just in battle skills but also in trusting him completely. This journey of building trust and growing stronger together could be a great fanfiction plot.
One idea could be that Ash has a strange encounter in a mysterious forest. There, he finds a Riolu in distress. As he tries to help the Riolu, a strange energy transfer occurs, and he starts to take on some of Riolu's characteristics. He might gain Riolu's heightened senses, like its ability to sense auras more acutely. This could lead to new adventures as he has to adapt to these changes while still trying to pursue his Pokémon journey goals.
Adventure is also prevalent. Ash and Riolu go on various quests together, exploring new lands, encountering new Pokémon and trainers. These adventures not only test their skills but also strengthen their relationship as they face difficulties side by side.
The fanfiction could have a plot where Riolu has a hidden power that only Ash can unlock. As they face tougher opponents, this power gradually reveals itself. It could be a psychic - like ability that allows Riolu to communicate telepathically with Ash. This new development in their relationship changes the way they battle and interact with other Pokémon.
A fanfiction could explore how Ash and Riolu's relationship develops over time. At first, Riolu might be a bit shy and reserved. But as they travel together, Riolu starts to open up more. Ash trains Riolu not just to be strong in battles, but also to be a good friend. They might have heart - to - heart conversations under the starry sky, sharing their dreams and fears, which is a really touching aspect of their journey.
It could be a fan - made story where Ash has a special connection or interest in Riolu. Maybe it involves Ash's adventures with a Riolu, like training it or going on quests together.
One possible fanfiction could be about a Riolu who discovers a hidden power within the mystery dungeons. It might start with Riolu being separated from its group and having to rely on its own wits and newfound abilities to survive and find its way back. Along the way, it could meet various other Pokemon and form unexpected alliances.