Well, perhaps in this fanfiction, the butterfly could be some sort of magical or supernatural being. Maybe Harry is found in a desolate place by the butterfly and taken to a strange but wonderful new world where he has to learn new rules and powers. It could also be that the butterfly is a symbol of a group or a family, and they take Harry in to protect him from the dark forces that are after him in the original Harry Potter universe.
The plot might involve the butterfly having some special connection to Harry's true identity. Since he's adopted by it, the butterfly could be leading him on a journey to discover his real heritage. For example, the butterfly might know secrets about Harry's parents that no one else does. It could also be that the butterfly's world has its own set of challenges, like magical creatures that are different from those in the wizarding world Harry is used to, and he has to adapt to survive.
The main characters could include the butterfly's kin. For instance, if the butterfly is part of a colony or a family of magical butterflies, they would all be important. They might have different abilities and personalities. There could also be a wise old owl in the butterfly's world that acts as a guide for Harry, teaching him about the new world he's in. And don't forget about the possible presence of a shadowy figure that lurks in the background, representing the unknown danger that Harry has to face.
In a 'harry adopted by euryale fanfiction', it could start with Harry being lost or on the run. Euryale, seeing his potential or feeling a connection, decides to adopt him. She could introduce him to a whole new world of magic that is different from what he has known in Hogwarts. For example, a magic more related to the ancient Greek mythology which she is a part of. And Harry would have to adapt to this new life and learn from Euryale while also dealing with any threats that might come from his past in the wizarding world.
Well, perhaps in this fanfiction, Zeltech could be a powerful wizarding family or organization. The plot might involve Harry being adopted by them due to some special circumstances, like they saw his great potential and wanted to protect him from the Dursleys. They could then train him in unique forms of magic that are different from what he would learn at Hogwarts.
Well, in such a fanfiction, Harry might be given a very different education. The Malfoys could try to indoctrinate him with pure - blood supremacist ideas at first. But as he grows, he might rebel against it. He could also be exposed to a different social circle within the wizarding world. Maybe he would have more interactions with other Slytherin families and this would change how he views things like House rivalries. And his relationship with Dumbledore would be very strained as the Malfoys are not on good terms with Dumbledore.
One possible plot could be that Harry, who might be from the Harry Potter universe, is suddenly adopted by Batman in a crossover world. Batman could see Harry's potential and take him under his wing. Harry would then be trained in Batman's ways, learning combat and detective skills. He might also use his own magic in a new way to help Batman fight crime in Gotham, like using magic to disarm villains or solve mysteries that normal means can't.
One possibility is that Harry Potter, in this fanfiction, might be exposed to a whole new set of dark magic and powers that demons possess. The demons could see his potential and decide to raise him in a way that is completely different from the wizarding world he knew. Maybe they would teach him to use his magic more aggressively or in ways that are considered unethical in the normal wizarding community.
Well, one possible plot could be that Harry finally gets to experience a warm and loving family environment. The Creevey family might help him heal from all the traumas he faced at the Dursleys. They could encourage his magical abilities in a different way compared to Hogwarts, perhaps with more home - based magical experiments.
Well, perhaps Crowley would use his dark powers to protect Harry in a rather unorthodox way. He might introduce Harry to a world of magic that has a more demonic or morally grey tint compared to the traditional Hogwarts magic. Maybe he'd train Harry to be more self - reliant and less bound by the rules of the wizarding world.
Well, one possible plot development could be that Harry gets to experience a different kind of magical family life. The Delacours might introduce him to new magical traditions and cultures. For example, he could learn more about the Veela heritage. He may also form new relationships with Fleur's younger sister. It could also lead to new adventures as he might be involved in different wizarding events in the Delacour's social circle.
In this fanfiction, it could start with Ahsoka sensing a great power within the wizarding world. She investigates and finds Harry Potter, a young boy with a tragic past. Ahsoka, being a protector, adopts him. As Harry grows, Ahsoka trains him not only in magic but also in the ways of the Jedi. He might learn to use a lightsaber along with his wand, and they could face threats from both the Star Wars and Harry Potter universes together, like the Sith and Voldemort's followers.