In some fanfictions, Harry might use his knowledge of potions in a unique way to outwit Snape. For instance, he could cleverly modify a potion's ingredients during a class assignment in a way that Snape didn't expect, but which still produced the correct result. This shows his ability to think outside the box and use his skills against Snape's high expectations in the potions class.
At first, their interaction would likely be very guarded. Sansa would be cautious as she has learned to be in a world full of danger. Tywin would probably see her as a young, naive girl but also a valuable asset. As time goes on, Sansa might start to challenge Tywin's ideas, which could lead to some intense exchanges between them.
Arya and Tywin could also interact in a more unexpected way. Maybe in a situation where they are forced to work together for a short time due to some external threat. During this time, Arya has to constantly remind herself of her ultimate goal of revenge while Tywin is constantly on guard against her, yet also seeing potential in her skills for his own purposes.
In some fanfiction, Harry Potter might outsmart others by using his quick thinking and knowledge of magic. For example, he could use spells in unexpected ways to get out of tricky situations.
It might be a mystery story where the child solves the case before the adults. The child's unique perspective and innocent thinking help them see things the adults miss.
At first, it could be very tense. Tywin is used to being in control and having things his way, and the Stark oc would likely have her own ideas and values. So, they might start off butting heads. But as time goes on, they could start to understand each other better. The Stark oc might see that Tywin has his reasons for his actions, and Tywin could come to respect the Stark oc's strength and integrity.
One great Arya and Tywin fanfiction is 'The Unlikely Encounter'. It beautifully portrays the first meeting between them and how Arya's quick thinking saves her from Tywin's wrath. Another good one is 'Alliance of Convenience' which explores the idea of them working together against a common enemy. It's full of political intrigue and character development.
In Arya and Tywin fanfiction, their dynamic can be really interesting. Tywin is a shrewd and powerful figure, while Arya is a fierce and determined young girl. One aspect could be a scenario where Arya, in her quest for vengeance, crosses paths with Tywin. Maybe she tries to infiltrate his court or army in disguise. Their interactions would be filled with tension as Tywin would likely see her as a threat, yet be intrigued by her boldness. It could lead to a complex power struggle within the story.
We should focus on positive and legal stories. There are many great tales about people using their wits in legal and ethical situations, like a man outsmarting a thief through clever use of technology, for example.
One creative way is by using his Patronus in a unique way. His Patronus could be made to deliver secret messages to the other students right under Umbridge's nose. Since she can't really stop a Patronus, Harry uses it as a communication tool to organize against her rules.