What could be the plot of a 'dark sonic vs tails' fanfiction?

It depends on how the fanfiction is written. But generally, Dark Sonic has superhuman speed and strength. However, Tails is very intelligent and resourceful. If Tails has enough time to prepare, he might be able to win. But if it's a sudden encounter, Dark Sonic would likely overpower Tails.

One possible plot could be that Sonic yells at Tails because Tails made a risky decision during a mission that almost put them both in danger. For example, Tails might have tried to take on a powerful enemy alone without waiting for Sonic's backup.

Well, competition is really prevalent. It could be a race, a battle of wits, or a test of strength. There's also the exploration of their individual strengths and weaknesses. In some fanfictions, Sonic's overconfidence is his downfall while Tails' intelligence helps him. Also, the theme of self - discovery can be there. They might learn something new about themselves during their rivalry.

A lot of Dark Sonic and Tails fanfictions also focus on the relationship dynamics. The contrast between Dark Sonic's aggressive nature and Tails' more timid and rational self creates a lot of tension. Sometimes, the fanfictions might show Tails growing stronger in the face of Dark Sonic, evolving from just a sidekick to a more independent character who can stand up to this new threat.

One possible plot could be that there is a powerful new item in their world. Sonic thinks it should be used immediately to stop Dr. Eggman, but Tails believes they need to study it more first. This disagreement leads to a fight as Sonic tries to take the item by force and Tails tries to stop him.

Well, it could be that Sonic is dashing through the forest on one of his adventures when he suddenly hears a strange noise. He follows it and discovers Tails, who is trying to fix his broken plane. Sonic is immediately intrigued by Tails' two tails and his mechanical skills.

Well, perhaps in the fanfiction, Tails' nightmare is about his inventions going haywire. He dreams that all his machines turn against him and Sonic, and they have to fight their way through a mechanical nightmare. This might show his underlying worry about his creations causing harm rather than good.

In this fanfiction, perhaps Sonic Underground is facing a threat that they can't handle alone. Tails, being a friend of Sonic from another part of their world, comes to their aid. They discover that an ancient evil has been awakened. The story could involve Tails using his inventions to analyze the ancient evil's weaknesses while Sonic and his siblings use their unique abilities to keep the evil at bay. As they progress, they form a strong bond and learn from each other's ways of doing things.

The popularity might be due to the novelty of seeing Sonic in a different light. Dark Sonic is not the typical heroic Sonic we know. And Tails being involved adds an extra layer of complexity. His loyalty to Sonic is tested, and readers are interested in seeing how that unfolds.

One interesting Tails vs Sonic fanfiction could be where they compete in a high - stakes race across a new, uncharted zone. In this story, Sonic's overconfidence might be his downfall while Tails' strategic use of his gadgets gives him an edge.