Well, in addition to those, Sunset Shimmer is a very important character. She has a complex backstory, starting as a bit of a villain but then evolving into a more positive figure. Applejack is another main character, representing honesty and hard work. These characters each bring their own personalities and abilities to the stories, and their interactions are what make the Equestria Girls Stories so interesting.
The main characters are likely to be the Equestria Girls themselves. Twilight Sparkle from the human world would be a central figure as she often takes the lead in many situations. Then there are her friends like Rainbow Dash, Pinkie Pie, etc. Also, the pony versions of these characters might play important roles as they interact with their human counterparts.
The scariest elements are definitely the transformation of the familiar into the terrifying. For instance, when the school that was once a place of learning and fun becomes a haunted - like place with shadowy creatures. The idea that the magic which is usually a source of good can be twisted into something that causes harm is also very scary. Plus, the feeling of powerlessness when faced with these dark forces, as if there's no way to stop the encroaching horror.
One interesting story could be about a new student in Canterlot High who discovers she has a special power related to the Equestrian magic. This power helps her and her friends solve a mystery in the school.
The time - travel plotlines are really cool. For example, when they go back in time to fix something that went wrong in the past. It's exciting to see how the characters interact with their past selves and how they try to make things right without changing too much. Then there are the stories about self - discovery. Each character learns more about themselves, their strengths and weaknesses, which is very inspiring.
One interesting story could be about Sonic somehow getting transported to the Equestria Girls' world and having to team up with the girls to stop a new villain. Maybe he uses his speed to outwit the bad guy while the girls use their magic and friendship powers.
There could be a story where the characters in Equestria Girls participate in a futa - related competition. This could show their growth, teamwork, and how they handle the pressure of the competition while exploring the unique elements of the futa concept.
One popular story could be about a character in Equestria Girls who has to deal with an unexpected diaper situation during a big event. It might involve her friends helping her out and some humorous moments along the way.
There might be a reaction fanfic where they react to a new villain in their world. They would have to figure out how to deal with this threat, and their reactions could range from shock to determination. For example, Twilight Sparkle might immediately start researching about the villain's powers while Rainbow Dash is ready to take on the challenge head - on.
One popular sonic equestria girls fanfiction might be those that involve crossovers between Sonic characters and the Equestria Girls universe in a friendship - based adventure. For example, stories where Sonic and Rainbow Dash team up to save both their worlds from a common threat.