She could use her skills as a Faceless Man. Arya might disguise herself as someone else and slip away unnoticed.
Since Arya is very observant, she might notice the routines of the Bolton guards. For instance, she could figure out when the guards change shifts and there is a moment of confusion. During that time, she could make her move. Also, she could use her knowledge of poisons. If she can get her hands on some poison, she could incapacitate some of the guards or even the Boltons themselves, and then escape. Moreover, Arya has a strong will. She could endure any hardships during her captivity and wait for the perfect opportunity to break free, like during a battle or a celebration when the Boltons are distracted.
Well, a plot could be centered around a political intrigue where Ramsay believes Arya is a valuable pawn in his power - grabbing scheme. But Arya, being Arya, has her own agenda. She could start building her own network within Ramsay's territory, befriending the downtrodden and oppressed. Eventually, she could lead a rebellion from within, using the element of surprise and her knowledge of Ramsay's weaknesses.
If Arya and Ramsay interacted, it would likely be a battle of wits. Arya is smart and resourceful, while Ramsay is cruel and cunning. Their interactions could lead to a lot of unexpected twists. For instance, Arya might be able to expose Ramsay's true nature to more people, which could change the political landscape in Westeros.
In the fanfic, she might be used as a bargaining chip. The Boltons could try to trade her for some advantage, like territory or loyalty from other houses.
Arya's character might develop in terms of her leadership skills. From being a lone wolf, she has to become a leader. She'll learn to make decisions for the greater good of Winterfell, not just for her own survival.
Jon Snow could be paired with Arya. They could go on a quest to find something important, like a long - lost heirloom of House Stark. Along the way, they share stories of their past adventures and strengthen their bond as siblings, while also facing various challenges from the elements and enemies.
One great Arya Stark dancer fanfic could be 'Arya's Dance of Freedom' which explores Arya's journey through dance in a unique way. It shows her using dance not just as an art form but also as a means of self - expression and survival in a dangerous world.
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 great Arya Stark and Sandor Clegane fanfic is 'The Hound and the Wolf'. It beautifully explores their complex relationship as they journey together. The author does a wonderful job of delving into their characters, showing Arya's growth and Sandor's transformation.
As Queen of the North, Arya's character would transform significantly. Her wild and independent streak would still be there, but she'd learn to channel it in a more productive way. She'd start to understand the importance of traditions and how they can be used to unite the people. Her relationship with power would be complex. On one hand, she'd use it to protect the North, but on the other, she'd be cautious not to let it corrupt her. She'd develop a more regal presence, but still keep her roots as a Stark. Her skills as a spy and assassin would be used in more strategic ways, like uncovering plots against the North and eliminating threats without causing unnecessary chaos. And she'd have to learn to balance her personal desires with the needs of her kingdom.