Adventure is also a big theme. Combining Sonic's penchant for action - packed adventures and the Equestria Girls' own adventures in their world. It could be about saving their respective worlds from a common threat or exploring new places.
One common theme is friendship. Just like in their original stories, Sonic and the Equestria Girls often form new friendships or strengthen existing ones. They learn to work together despite their differences.
A third theme could be discovery. Sonic discovers the unique aspects of the Equestria Girl world and vice versa. They learn about new cultures, powers, and ways of life which makes for an interesting exploration in the fanfiction.
Another theme is the clash and then the melding of different cultures. Sonic's world has a more technological and action - based culture, while Equestria Girls has a world full of magic and school - based social structures. Fanfictions often play with how these two different cultures interact. Characters might be initially confused or in conflict due to the differences, but eventually they learn to appreciate and work with each other.
One common theme is the clash of different worlds. Sonic comes from a very different place than Equestria, so there's often the theme of him adjusting to this new, magical world. Another theme is friendship. Just like in the Sonic and My Little Pony series, the idea of Sonic making friends with the ponies is quite popular.
One common storyline is Sonic getting transported to the Equestria Girls' world and having to adapt to the new environment. He might have to deal with the different magic and social norms there. Another could be Sonic teaming up with the Equestria Girls to fight a common enemy, like a powerful villain from either his world or theirs. And sometimes, there are stories about Sonic teaching the Equestria Girls about his speed and abilities, and in return, they teach him about friendship in their unique way which is very different from what he experiences in his own world.
Friendship is a big one. Just like in the original My Little Pony series, the idea of different characters coming together and forming bonds is common. Sonic, being from a different universe, has to learn to work with the Equestria Girls.
Overcoming challenges together is also a big theme. Whether it's fighting a powerful villain or finding a way to get the girl back to her own world, Sonic and the human girl have to work as a team. This theme emphasizes their bond and how they rely on each other's strengths. In some fanfictions, the girl's unique human skills like problem - solving or her knowledge of certain things are combined with Sonic's super speed and combat abilities to defeat their enemies.
Friendship is a very common theme. Sonic and Tails are always shown to have a strong bond and they rely on each other through various adventures.
Romance is also a prevalent theme. Fans often write about Sunset Shimmer's potential love interests, whether it's a relationship with one of the male characters in the Equestria Girls world or even exploring a same - sex relationship in some cases. Additionally, there are fanfictions that focus on her adapting to the human world. This includes dealing with human customs, school life, and how she uses her magic in a world without the same magical rules as Equestria.
Adventure is also a common theme. The characters from both Naruto and Equestria are often put into new situations and have to go on quests. They might be exploring new lands that combine elements of both universes, or they could be on a mission to save one of the two worlds from a threat that somehow links the two. For instance, a dark force that is affecting both the ninja world and Equestria.
There's also 'Equestria Girl Meets Sonic'. In this fanfiction, the characters from Equestria Girls cross paths with Sonic. It explores how they would react to each other's different worlds and abilities. It's full of humorous moments as they try to understand one another.
There are 'sonic equestria girl fanfic' stories that center around a mystery element. For example, a strange occurrence in both the Sonic and Equestria Girls realms that the characters have to solve together. These stories often involve the unique abilities of each character being used to figure out the mystery. They can be really engaging as they combine the different mythologies and powers from both franchises.