An OC Stark Greenseer might be able to change the plot by using their greenseer powers to find hidden secrets. For example, they could discover the truth about the White Walkers' origin much earlier and find a way to stop them before they become a huge threat. This could mean that the focus of the story in the fanfic shifts from the war of the five kings to a united front against the White Walkers, changing the entire course of the narrative.
An OC (Original Character) Greenseer in a Game of Thrones fanfic can bring a whole new dimension to the story. They could potentially change the course of events in Westeros. For example, if the Greenseer has the power to foresee key battles accurately, they could influence which side wins. This would disrupt the original power dynamics in the series.
One good 'OC Stark Greenseer Game of Thrones' fanfic could be one where the OC Stark uses their greenseer powers to foresee the coming of the White Walkers much earlier than in the original story. They then start to train the Stark children in special ways to prepare for the threat. This could add a whole new layer of drama and strategic planning to the familiar GoT world.
The OC Greenseer could act as a guide. They might use their visions to lead characters to hidden treasures or safe havens. For instance, they could show a group of refugees the way to a secret valley where they can survive the winter and the war.
One interesting Greenseer fanfiction could be one where the Greenseer has the power to change the fates of the main characters in unexpected ways. For example, he might prevent Ned Stark's death by seeing it in advance and taking actions to stop it.
An OC Stark might be more politically astute than the original characters. They could form different alliances, like making a deal with the Iron Bank that gives the North more financial power and influence. This would shift the power dynamics not only in the North but also across Westeros. The original plot of various houses vying for the Iron Throne would be affected as the North becomes a stronger and more independent force.
One great fanfic could be about Arya Stark rebuilding Winterfell as the last Stark. It might explore how she uses her skills she learned during her travels to bring back the glory of her family's home. She could train new guards, establish trade routes, and make Winterfell a stronghold again.
In some fanfics, Arya Stark might be presented as the last Stark, but it really depends on the specific plot and direction the fanfic author takes. There could be plot twists where other Starks are revealed to still be alive.
One idea for a male OC in the Stark family could be a long - lost cousin. He could have been sent away as a child for some reason, perhaps due to a political intrigue within the family. He might be a skilled swordsman, trained in secret by an old knight who knew his true identity. His personality could be a mix of the traditional Stark honor and a bit of a roguish charm, which he developed during his time away from the family. This would make him an interesting addition to the Stark family dynamics in a fanfiction.
A female Stark OC could play the role of a peacemaker. For instance, if there are disputes between different Stark siblings or between the Starks and other houses. She could use her diplomatic skills, which she might have learned from observing her father. Her calming presence and ability to see different perspectives would help in resolving conflicts.