Well, in some 'Stiles goes to Forks' fanfiction, a great plot is Stiles becoming a sort of mediator between the different factions in Forks. Since he has dealt with various supernatural beings in his own show, he could use that experience. Maybe he starts to investigate some strange happenings in Forks that seem related to his own town's secrets. Also, there could be a plot where Stiles falls in love with a local in Forks, which creates a whole new dynamic as he tries to balance his feelings and the supernatural chaos around him.
One interesting plot could be Stiles forming an unlikely friendship with the Cullens. He might bring his unique sense of humor and problem - solving skills to Forks. Another plot could involve Stiles getting caught up in the vampire - werewolf drama there, perhaps using his knowledge from his own supernatural experiences to try and keep the peace. Or he could be on a mission to find something in Forks that is related to his own world's mysteries.
One interesting plot could be Stiles going back in time and trying to prevent a major tragedy from happening in the past that has consequences in his present. For example, he might stop a villain from getting a powerful artifact that later causes chaos in his own time.
Edward is a popular character to pair with Stiles. Their personalities are quite different, with Edward's brooding nature and Stiles' more energetic and sarcastic self, which makes for an interesting dynamic. Another popular pairing is Stiles and Jacob. They could bond over their experiences with the supernatural and their protectiveness towards their friends and loved ones.
One idea could be Percy getting involved in the vampire - human drama in Forks. Maybe he discovers the secret of the Cullens and tries to find a way to co - exist with them, given his own experiences with different species in his own world.
There are also plots where baby Stiles has some special powers that he doesn't have as an older character. The pack has to protect him from those who would want to use his powers for evil, and in the process, there are cute and heart - warming interactions between Stiles and the members of the pack as they try to understand his powers and keep him safe.
Well, one possible plot could be about Stiles Stilinski dealing with the challenges of being a young, unexpected parent. Maybe he has to balance his normal life, like school and friendships, with the new responsibilities of having a baby on the way. Another plot might involve the reactions of his family and friends to the news. Some might be very supportive, while others could be shocked or even judgmental at first.
Well, one possible plot could be that Stiles and Jackson are secretly working together on a supernatural mystery that no one else in the pack knows about. Maybe they found a strange artifact that has powers they need to figure out before it falls into the wrong hands.
One possible interesting plot point could be how Harry adjusts to the new environment in Forks. Maybe he has to deal with the gloomy weather which is quite different from what he's used to. Another could be his interactions with the local characters from the Forks setting. He might form new friendships or rivalries.
In some fanfictions, a possible plot could be that Stiles, as a kid, has a different perspective on the supernatural world around him. He might not be as afraid as he was when he was older. For example, he could befriend a supernatural creature that the older Stiles would have been more cautious about. This new friendship could lead to new alliances for the pack. Also, his family's reaction to his sudden transformation could be explored. His dad might be really confused and worried, while his friends are trying to keep it a secret from the wrong people in town.
Another plot could involve Stiles trying to hide his non - human nature from his friends, especially Scott. This would create a lot of tension and secrecy in the story. He'd have to constantly come up with excuses for his strange behavior or powers.
Well, one interesting plot could be Harry going to an American wizarding school and comparing it to Hogwarts. Maybe he discovers new magical creatures there that are unique to America.