There could be unfinished business between them. They might have a shared goal that they haven't achieved yet. Greninja's return to Ash in the fanfiction could be to finally complete that goal, whether it's winning a particular Pokemon tournament or saving a certain place from destruction.
In this fanfiction, Greninja might come back with new powers. Maybe it has been on a special training journey and returns to Ash to help him in a big battle.
The fanfiction might explore the emotional bond between Ash and Greninja in more depth. Maybe Greninja had to overcome great difficulties to return to Ash, and this journey of reunion can be full of emotions. Also, the interactions between Greninja and Ash's new Alola Pokémon friends can add a lot of fun and unexpected twists to the story.
The main characters in 'ash returns home with greninja fanfiction' are Ash and Greninja. Ash, the Pokémon trainer, has journeyed far and wide with Greninja by his side. Greninja is not just a Pokémon to Ash but also a friend and a powerful ally. They have shared many experiences together, and their relationship is at the core of this fanfiction.
In this fanfiction, Ash might introduce Greninja to his family. His mother could be surprised but also happy to see such a unique Pokémon. Maybe Greninja would show off some of its cool moves in the backyard.
Well, in Alola, the battle environment is different. Ash Greninja has to adapt to the new battle rules like Z - Moves. It may start by observing local battles and learning from them. It could also adapt to the more friendly and less intense battle atmosphere compared to other regions. This means it might have to change its battle strategy a bit, not always going all - out from the start. And it might interact with different types of Pokemon that are native to Alola, which could lead to new friendships or rivalries, further shaping its adaptation to the Alola environment.
One common theme is the bond between Ash and Greninja. It often shows how they grow together, trust each other, and face challenges as a team. Another theme is Greninja's evolution and how it affects their relationship.
A fanfiction could focus on Ash Greninja's unique form and abilities. For example, it could tell a story where Ash has to rely on Greninja's special skills to overcome a powerful, mysterious Pokemon in the Alola region. This would show the significance of their partnership in the context of Pokemon Sun and Moon.
Obviously, Greninja is one of the main characters as the title suggests its return. The trainer who was associated with Greninja before would also be a main character. They are likely to be central to the story's development.
It's possible that Greninja's return is part of a prophecy in the Alola region. The local people might see Greninja as a sign of great change or a hero. So Ash and Greninja have to work together not just to battle but also to fulfill this prophecy, which could involve saving the Alola region's natural balance or something similar.