It could be about the exploration of Sonic's dark side within the context of the MLP world. The fanfiction might show how the characters from MLP react to this strange and powerful being. It could also be about Sonic having to face his own dark self while in the MLP world, and how that affects the relationships he forms with the ponies.
I'm not sure specifically about super popular ones. But there might be some out there that have gained a following within the niche of fans who like both Sonic and MLP. These could be found on various fanfiction websites if you dig deep enough.
A theme that also pops up is the power dynamic. Since Super Sonic has enhanced powers, it can play into how he protects Amy or how she might help him control or understand his powers better. And of course, there's the theme of friendship. Even in a romantic - centered fanfic, their friendship is usually a strong foundation. They rely on each other, share secrets, and have fun together as friends before anything else.
One interesting 'Dark Super Sonic fanfiction' story could be about Dark Super Sonic teaming up with unlikely allies to fight a greater evil that threatens not just their world but the entire multiverse. In this story, Dark Super Sonic's power is both a curse and a blessing as he has to learn to control it better to face this new threat.
In 'dark sonic vs super shadow fanfiction', one could expect a lot of high - energy action. Dark Sonic might bring a sense of unpredictability to the fight. Super Shadow, with his super form's capabilities, would be a formidable opponent. The fanfiction could play around with different scenarios. For example, it could start with a sudden encounter between the two, or it could build up to the fight through a series of events that heighten the tension between them.
One common theme is adventure. The writers often put Sonic and Amy in exciting adventures where they have to work together. This could involve saving the world from a new villain or exploring a mysterious new land.
When writing 'Dark Super Sonic fanfiction', it's important to build a believable world around him. If his dark form is causing destruction, show the consequences on the environment and the other characters. You can also explore the relationships he has with his friends in this new state. For instance, how do Tails and Knuckles react when Sonic turns dark? Do they try to save him or are they afraid of him? By exploring these aspects, you can create a rich and engaging fanfiction.
In the 'dark sonic vs super shadow fanfiction', if we consider Dark Sonic's wild and unpredictable nature, he could potentially catch Super Shadow off - guard. However, Super Shadow has a lot of combat experience and his super form gives him enhanced strength, speed, and durability. So, the outcome would likely be determined by the specific circumstances and power - up situations written in the fanfiction.
Their relationship could be portrayed as a mentor - student kind of thing. Amy could be learning from Dark Super Sonic about the darker aspects of power and how to control it within herself. This would be a very different take from the usual romantic or friendly relationship.
A plot could be where Amy discovers a prophecy about Dark Super Sonic being the key to saving their world from a greater threat. So, she decides to follow him around and tries to understand his powers. As she does this, they form an unlikely bond. Along the way, they face various challenges together, and Amy's love for Sonic (even in his dark form) might be the driving force that helps them overcome all the difficulties.