There might be a 'pokedex horror story' where the Pokedex starts to give out strange and menacing messages about an upcoming disaster related to Pokémon. It warns the trainer but no one else believes it, creating a spooky situation. The trainer has to figure out if it's a real threat or just a malfunction while being constantly on edge.
The 'pokedex horror story' might be about glitches in the Pokedex system that lead to terrifying situations. For example, it could show Pokémon that are not supposed to exist or have distorted appearances. It could also be about a Pokedex that somehow predicts doom or danger related to certain Pokémon.
One great Pokemon Yveltal fanfiction is 'The Awakening of Yveltal'. It delves into the mystery of Yveltal's origin and its connection to the other legendary Pokemon. The author does an amazing job of describing Yveltal's power and its role in the Pokemon world.
One of the popular characters might be the main Pokedex holder, who is often depicted as brave and curious. Another could be a rival Pokedex holder, adding some competition and drama to the story. Also, some of the Gym Leaders or Elite Four members from the original Pokemon series might make appearances and be popular in these fanfics as well.
Misty is also a character that shows up a lot. Her knowledge of water - type Pokemon can be combined with her role as a Pokedex holder. Fanfictions might explore her adventures in different regions, her encounters with new Pokemon, and how she uses the Pokedex to learn more about them.
The exploration of new powers is a major element. Naruto might learn to use some of Yveltal's powers or vice versa. Also, the concept of friendship and alliance is important. Since they are from different worlds, forging a bond between them is a central part of the fanfic. There could be external threats that force them to work together, which is also a key plot point.
Character development is key. If the fanfiction focuses on a trainer's relationship with Yveltal, we should see how both the trainer and Yveltal grow and change throughout the story. Also, the world - building around Yveltal's habitat and its significance in the Pokemon universe needs to be well - done. For instance, if it's set in a particular region where Yveltal has a special connection, that should be clearly explained.
One common theme is adventure. Ash and Yveltal might embark on a journey together through different regions in the Pokémon world. Another theme could be friendship. Ash might form a special bond with Yveltal, which is different from his relationships with his regular Pokémon partners.
One common theme is power. Since Yveltal is a powerful Pokémon, fanfictions often explore how a female Yveltal wields her power, whether for good or bad.