Well, often there's the theme of competition. Pokémon battles are a huge part of the franchise, and in fanfiction, it can be elaborated on. Trainers might compete in grand tournaments with high stakes. Then there's the theme of discovery. Discovering new Pokémon species, or uncovering secrets about the Pokémon world. And don't forget about the theme of loyalty. Pokémon being loyal to their trainers through thick and thin.
In Pokémon fanfiction, a common theme is the power of teamwork. Trainers and their Pokémon work together to overcome obstacles. There can also be themes related to the environment. For example, how human actions affect the Pokémon habitats and how trainers can be more environmentally conscious. Another theme is the mystery surrounding some legendary Pokémon. Fanfictions might explore their origins and powers in more depth.
Identity is also a major theme. The characters wonder who they really are, being raised in such an unusual way. Are they more wolf or more human? This internal conflict drives a lot of the storylines in 'raised by wolves fanfiction'.
One of the main themes is acceptance. In these fanfictions, hybrids usually face discrimination from regular Pokemon or humans. So, the journey towards being accepted is a big part of the story. Also, friendship is a common theme. Hybrids often form strong bonds with other Pokemon or humans who see past their differences.
One common theme is empowerment. Female characters in these fanfictions often start as underdogs but grow to be strong trainers. For example, a girl might start with a weak female Pokemon but through hard work and determination, they become a powerful duo.
One common theme is protection. Jasper is often portrayed as a protector of Bella, which is different from the traditional Edward - Bella dynamic in the original story. Another theme is growth. Bella is shown to grow and develop under Jasper's influence, whether it's in terms of her confidence or her understanding of the vampire world.
One common theme is the clash of cultures. Harry, being raised by goblins, has to navigate between goblin culture and wizarding culture. Another is his search for identity, as he's not a typical wizard - raised Harry.
The theme of protection is often present. Hestia protects Percy from various threats. Also, there's the theme of change. Percy's place in the demigod world changes as he is now associated with Hestia. This can lead to different relationships with other characters like the other demigods and the gods. He might be seen as an oddity at first but then respected for his unique upbringing.
One common theme is identity. The dragonborn often struggles to find their place between the dragon world and the human world (if there is any human connection in the story).
A common theme is the clash between nature and civilization. The girl, having been raised by wolves, represents nature, and when she enters human society, there's a conflict. Another theme is identity. She has to figure out who she is, a wolf - like being or a human.
Another theme is the idea of the unknown. Raising a dragon in the wizarding world is not a common thing, so there's a lot of exploration into the unknown. Harry has to figure out how to care for the dragon, what it eats, and how to train it. This exploration of the unknown also extends to the magic that might be associated with the dragon.
Adventure is also a prevalent theme. Theodore embarks on journeys across the Pokemon regions, exploring new places and encountering different Pokemon species. Also, the theme of discovery, whether it's a new Pokemon ability or a hidden location in the Pokemon world.