One common theme is the struggle between good and evil. Sonic and Shadow often represent the good side while the vampires are the antagonists. Another theme is the exploration of power. For example, if Sonic or Shadow were to gain vampire - like powers, how would they use them? It's about power and its implications.
It combines different genres. You have the action - adventure side of Sonic and Shadow's world, and then the dark, mysterious allure of vampires. This fusion can lead to really unique storylines. For example, a story could be about Sonic trying to save Shadow from the vampire curse, or vice versa. There are also opportunities for exploring themes like good vs evil in a new light. Vampires are often seen as 'evil' in traditional stories, but in this fanfiction, it can be more complex as the characters are already complex themselves. It also allows for some really cool visual and descriptive elements, like how the vampire powers might change Shadow's appearance or abilities.
Social media platforms can also be a source. For example, on Tumblr, there are many Sonic fans who post or reblog fanfictions. Search for relevant tags like #SonicxShadowVampireFanfiction, and you may discover some great works.
Well, 'Shadow's Vampire Quest' is a fanfiction that stands out. In this story, Shadow embarks on a journey to uncover the secrets of a vampire clan that has been causing chaos in their world. It's full of action and mystery. There's also 'The Vampire Sonic and Shadow Alliance' where Sonic and Shadow form an unlikely alliance to fight against a powerful vampire lord who wants to take over their dimension.
One interesting Vampire Shadow x Sonic fanfiction could be about their unexpected alliance against a common enemy. They might start off as foes but gradually realize they need each other's powers.
Fanfiction.net is also a great place to look. Many writers post their Vampire Shadow x Sonic fanfictions there. However, the quality can vary, so it's good to read the reviews or ratings if available. Some stories might be more focused on action, while others on character development.
Tails is a very popular character to include. He is Sonic's best friend and his technical skills can add a lot to the story. For example, he could help Sonic and Shadow figure out some complex machinery or technology that is part of the plot.
Another reason is the creativity of the plots. Since it's fan - made, there are no real boundaries. A story could combine elements from different Sonic games or even introduce entirely new concepts. For example, a fanfic could have Shadow and Silver discover a new form of Chaos energy that changes the power balance in their world.
Well, it's not straightforward to say. Different comics might portray their speeds differently based on the plot and creative decisions. So, it varies.