In such a fanfiction, Sonic could be experimented on to try and find a way to transfer his powers to others. The story might involve a group of villains who believe that if they can harness Sonic's speed, they can rule the world. So they subject Sonic to all kinds of unethical experiments, which he has to endure while also trying to find a way to escape.
In 'sonic gets experimented on fanfiction', one possibility is that the experimenters are from an alien race. They might be curious about Sonic's abilities which are far beyond what they've seen in their own world. So they capture him and start running all sorts of tests on him, from physical examinations to tests on his cognitive abilities.
One possible scenario could be that Sonic is shot by a robotic enemy while trying to protect his friends. He might then have to rely on his friends to get him to safety and find a way to heal his wound. Another could be that he's shot by a misfiring weapon of a friendly character, leading to a lot of guilt and a race to save Sonic's life.
In such a fanfiction, one possible scenario could be that Naruto is experimented on for his unique chakra. Maybe Konoha scientists, in a bid to understand the power of the Nine - Tails within him, conduct various tests that are both physically and mentally taxing for Naruto.
It could be Dr. Eggman. He's always been after Sonic and trying to defeat him. Experimenting on Sonic could be his new way to find Sonic's weaknesses or to gain his powers for himself.
Well, it's possible that in the fanfiction, Naruto is experimented on as part of a desperate attempt to save the village. There could be a new threat on the horizon, and the village elders or some ninja with knowledge of forbidden techniques believe that by experimenting on Naruto, who has shown great resilience, they can find a solution. They might be trying to turn him into a weapon or a shield for the village, which would put Naruto in a really tough situation both physically and morally.
One possible scenario could be that in the fanfiction, some evil organization captures Percy and tries to figure out his powers related to being a demigod. They might subject him to various tests like trying to measure the limits of his ability to control water, or how he can heal from injuries that would be fatal to normal humans. Another could be that they experiment on his connection to the Greek gods, perhaps trying to sever or manipulate it in some way.
One possible scenario could be that the experimenters are trying to enhance Robin's physical abilities. Maybe they use some sort of advanced technology or strange serums. Another could be that they are trying to access his memories, perhaps related to Batman's secrets or the inner workings of the Young Justice team. It could also be an experiment to test his mental resilience under extreme stress.
One possible scenario could be that Princess Jasmine is kneeling to show respect to a powerful magical being she encounters. Another might be that she kneels in a moment of deep prayer or meditation within the story's context.
Well, he could gain some new and unexpected powers. Maybe he discovers a way to enhance his chakra control to an extreme level, allowing him to perform jutsus with much greater efficiency and power.
In some 'goku gets hurt fanfiction', he might get hurt while protecting his friends or family. For example, he could take a fatal blow meant for someone else. This would not only physically harm him but also add an emotional aspect to the story as his loved ones would be worried and try to save him.
In the fanfiction, perhaps Loki's sickness is a result of some magical backlash. As he gets sicker, he could start having strange visions or nightmares that are related to his past misdeeds. His loyal followers might then try to find a cure for him, leading to an adventure to seek out a powerful healer.