There are some fanfictions where Harry Potter and Sansa Stark meet through some magical portal. In these stories, Sansa is often amazed by the magic in the Harry Potter universe, and Harry is intrigued by Sansa's strong will and the different kind of courage she has developed in a world without magic but full of political intrigue.
Yes, there are quite a few. You can start by looking on fanfiction websites like Archive of Our Own. Just search for 'Harry Potter Sansa Stark' and you'll find a variety of stories that blend the two universes in interesting ways.
One great Sansa Stark crossover fanfiction is 'Sansa in the Wizarding World'. It imagines Sansa being transported to the Harry Potter universe. There, she uses her political acumen learned in Westeros to navigate Hogwarts' complex social hierarchies. Another is 'Sansa and the Avengers'. In this, she teams up with the Avengers, bringing her own brand of strategic thinking to their battles.
There's also 'Sansa's Lessons with Ned'. This fanfic delves into the times when Ned imparts his wisdom to Sansa. It shows how Sansa grows and learns from her father, with detailed descriptions of their interactions and the setting in Winterfell.
Perhaps Sansa Stark accidentally gets sorted into one of the Hogwarts houses when she arrives in the wizarding world. She could be in Gryffindor, despite her more Slytherin - like qualities from her time in Westeros, and this could be a source of internal conflict for her. Harry Potter could help her come to terms with this new identity. Together, they could work on solving a mystery within Hogwarts that has ties to Sansa's past in Westeros, like an old magic that was once used in the Seven Kingdoms and has now resurfaced in the halls of Hogwarts. This would blend the two fictional universes in an interesting way.
One common theme is the clash of different cultures. Sansa from the medieval - like world of Westeros and the magical world of Harry Potter. Another could be the idea of power, as both universes deal with different forms of it.
There's also 'The Stark - Potter Alliance'. This fanfiction explores a scenario where the two worlds of Harry Potter and Stark's universe collide. It's really cool to see how the characters from both series interact, like Harry and his friends being amazed by Stark's high - tech gadgets while Stark is intrigued by magic.
One popular Sansa Stark and Ramsay Bolton fanfiction is 'The North Remembers'. It delves into Sansa's complex emotions as she endures her time with Ramsay. Another is 'A Stark's Resilience' which shows how Sansa tries to outwit Ramsay in the difficult situation at the Dreadfort. There's also 'In the Shadow of the Boltons' that explores the power dynamics between them in a very interesting way.
One great Sansa Stark x reader fanfiction is 'A Northern Bond' which beautifully portrays the relationship between Sansa and the reader. It has detailed descriptions of the Winterfell setting and how the two characters interact within it.
One great Sansa Stark fanfic is 'A Song of Sansa'. It delves deep into her character development post the events in the original series. It shows her growing into a strong leader, dealing with the political intrigue of Westeros in a very engaging way.
At first, Sansa might be a bit intimidated by Harry's status as a hero in the wizarding world. But she would quickly regain her composure and start to assert herself. Harry would respect her for that. They could interact in a way that combines their different skills. For instance, when facing a problem in the wizarding world that has elements of political intrigue, Sansa could step in and offer her insights, while Harry uses his magic to deal with the more dangerous magical aspects. Their conversations would be a blend of Sansa's refined language from Westeros and Harry's more modern wizarding world speech.