One common plot could be Sonic trying to rescue Chris from the kidnappers. Sonic's super speed would be a huge advantage in tracking down the kidnappers' location quickly. He might use his Sonic Spin Dash to break through any barriers in his way.
Another plot might involve Chris being kidnapped by an enemy of Sonic who wants to use Chris as bait to lure Sonic into a trap. In this case, Sonic has to be really careful not to fall into the kidnapper's plan while still finding a way to save Chris. For example, he could call on his friends like Tails for help in devising a rescue strategy.
Eggman could be a likely kidnapper. He's always causing trouble for Sonic and might see Chris as a way to get to Sonic. He could use Chris to force Sonic to give up the Chaos Emeralds or something like that.
One common theme is friendship. Since Sonic and Chris are from different worlds in the Sonic X series, their growing friendship is often explored in fanfictions. For example, how they learn to understand and support each other.
A really interesting plot could be that Sonic is kidnapped into another dimension by a powerful being. In this dimension, the laws of physics are different, and Sonic has to figure out how to use his speed in new ways to escape. His friends back in his own dimension are desperately trying to find a way to bring him back. Meanwhile, Sonic meets some strange new allies in this other dimension who help him in his quest to return home.
A lot of the fanfiction might revolve around the idea of teamwork. They have different skills and abilities, and when they work together, they can overcome various challenges. Also, the theme of discovery can be present, as they might discover new places or powers in the stories.
Themes in these fanfictions can vary widely. But some of the most common ones include loyalty. They might face situations where their loyalty to each other is tested. Another is the theme of sacrifice. There could be stories where one of them has to sacrifice something for the greater good of the group. And the theme of acceptance is also there, with them learning to accept each other's flaws and strengths.
Friendship is a common theme. It shows how Sonic, Chris, and Helen form a strong bond and support each other through different challenges.
The theme of self - discovery is also prevalent. Each character, Sonic, Chris, and Shadow, may discover new aspects of themselves during their interactions. Chris might find his inner strength, Sonic could learn more about his responsibilities, and Shadow might come to terms with his past in these fanfiction stories. This adds depth to the characters and makes the stories more engaging.
One common theme is friendship. Sonic and Chris come from different worlds, and their friendship is often explored in fanfiction. For example, how they learn to understand and support each other.
Well, in a 'Sonic gets kidnapped by Eggman' fanfiction, there could be a plot where Eggman tries to turn Sonic into a weapon. He might experiment on Sonic, but Sonic resists with his strong will. Meanwhile, Sonic's friends like Tails start searching for him. Tails could use his intelligence to track down Eggman's hideout. And when they finally find Sonic, there's an epic battle between Sonic's friends and Eggman's forces to free Sonic.
One possible plotline could be that Sonic fails to save Chris from a dangerous situation in time, causing Chris to break down crying. For example, if a powerful enemy captures Chris and Sonic has to fight through many obstacles to reach him. Another could be that Chris feels left out as Sonic spends more time with his other friends, leading to his crying and Sonic having to make it up to him. Maybe Sonic gets so caught up in his adventures that he forgets an important event for Chris, like his birthday.