The injury can create an emotional arc for Sonic. He might feel guilty for not protecting Tails better. This guilt can drive his actions throughout the rest of the fanfiction. He could become more reckless in his attempts to get revenge on the cause of Tails' injury or more cautious to ensure he doesn't let Tails get hurt again. It adds a layer of depth to the relationship between the two characters and the overall plot.
If Tails is injured, it can slow down Sonic's progress. Since they often work together, Sonic might have to take time to find help for Tails instead of chasing the bad guys right away.
Well, in some fanfictions, Tails might get injured during a battle with a new and powerful enemy. Maybe this enemy has some special ability that catches Tails off - guard, like a force - field that he doesn't detect in time and it slams him into a hard surface, causing an injury.
Well, in some fanfictions, Tails' werewolf form might initially cause a bit of strain. Sonic might be a bit wary as he doesn't fully understand what's going on. But overall, their bond of friendship is strong. Sonic would try to support Tails and figure out a way to get him back to normal.
Well, clearly Tails, the little fox with his mechanical skills and cleverness, is a main character. He often plays a crucial role in the fanfictions, whether it's coming up with plans or building something to help. Cosmo, on the other hand, is also central. She has a connection to nature in a way, being from an alien plant - like species, and her relationship with Tails is often explored in these fanfictions. Sometimes, Sonic might also make an appearance in the stories as a friend or someone who gets involved in their adventures.
In this fanfiction, there could be other characters like Knuckles. He might be involved in trying to stop Tails if he's causing trouble. Amy could also be there, perhaps trying to use her compassion to reach out to Tails. And of course, there might be some new, original characters created specifically for this fanfiction, like a mysterious figure who has influenced Tails' turn to the dark side.
One interesting storyline could be about Tails and Cosmo going on an adventure to discover a new power source for their world. They might face various challenges and enemies along the way.
Well, perhaps in this 'dark tails sonic the hedgehog fanfiction', the art style is really unique. It might use darker colors and more menacing character designs for Tails and other characters. The settings could also be more gloomy, like a post - apocalyptic Sonic world where Tails rules with an iron fist.
It could lead to Tails becoming more independent. If Sonic is constantly getting mad, Tails might decide to do his own thing for a while. This could be a good thing in the long run as Tails could grow and become more confident. However, Sonic might then realize he misses Tails' company and support.
At first, it could strain their friendship. There might be a period of coldness between them where they avoid each other.
It could strengthen their bond. The shared experience in the snow, like playing in it or facing challenges together, would make them trust each other more.
FanFiction.net is also a good place to search. There are many Sonic the Hedgehog fanfictions there. You might need to dig a bit deeper by using advanced search options if you want to narrow it down to ones with female Tails. Sometimes the tags and summaries can give you a good idea if it's the kind of story you're looking for.