The fanfiction might center around the concept of despair and hope. Since the world is about to turn to ash, the characters could be in a state of great despair. However, there could also be elements of hope where they find a glimmer of a solution. It could explore their emotional journey as they deal with this impending doom, their relationships might be strained or strengthened during this process.
Well, without having read it, it could be about a character or a group of characters trying to prevent the world from turning to ash. Maybe there's some sort of prophecy that they're fighting against, and they have to go through various challenges and face powerful enemies to stop this apocalyptic scenario from happening.
Maybe there are some characters with special powers or abilities. They could be the ones leading the fight against whatever is causing the world to turn to ash. It could also have some villainous characters who are either directly or indirectly responsible for this impending catastrophe.
One possible main plot could be that Ash hears rumors about a Mew sighting in a far - off, unexplored region. So, he decides to embark on a journey to find it. Along the way, he meets new friends and foes, all while being driven by his desire to meet Mew.
In such a fanfiction, a common plot point could be the shock and grief among Ash's friends when he dies. Maybe Pikachu refuses to leave his side at first. When he returns, he might have some new powers or a different perspective on his pokemon journey.
I'm not sure specifically as I haven't read this particular fanfiction. But generally, it might involve Ash using his aura to communicate with the tree, perhaps to gain some sort of power or knowledge from it.
Well, it might center around Ash getting transported to the world of Ultra Beasts. There, he has to find his way back home. Along the way, he befriends an Ultra Beast that helps him survive in this strange new world. He also has to deal with the different rules and powers that exist in the Ultra Beast realm.
The main plot involves a young governess who is hired to take care of two children at a remote estate. She begins to see apparitions of former employees, Peter Quint and Miss Jessel. She believes that the children are being haunted or influenced by these ghosts, and she tries to protect them while also dealing with her own growing fear and paranoia.
Well, in an 'ash unknown champion' fanfiction, the plot might involve Ash getting lost in a mysterious region. There, he stumbles upon an unknown champion who is facing some sort of problem, like a group of poachers targeting their rare Pokémon. Ash decides to help the champion, and in the process, they exchange their Pokémon training techniques. As they work together, Ash realizes that there are so many new ways to approach Pokémon battles that he hadn't known before.
In certain fanfictions, Ash might die from an incurable disease that he contracts while exploring a new and mysterious region in the Pokémon world. His Pokémon then have to deal with his loss and some might go on a journey to find a way to bring him back. For example, Pikachu could be determined to find a mythical Pokémon that has the power to revive the dead.
Well, it could vary a great deal. In some 'ash greninja returns fanfiction', it might focus on Ash and Greninja reuniting after a long separation. Maybe Greninja has been in a far - off place training or on a mission, and now it comes back to Ash to help him in a big battle. They then team up again, with Greninja using its unique Water - Shuriken and other moves to take on powerful opponents.
Well, it might be that in this fanfiction, Ash is exploring a new and dangerous area in the Pokemon world. He encounters some strange phenomena or powerful wild Pokemon. There could be a situation where he is poisoned or affected by some negative energy. His body can't handle it and he collapses. His friends or Pokemon then have to search for a cure or a way to revive him, which could be the main focus of the story.