She would probably be on high alert. Hermione is no fool and she knows the danger Rowle represents. So, she'd likely have her wand at the ready immediately.
The wizarding community would likely be in shock. Hermione is known for her association with Harry and Ron, and for her fight against the dark side. Marrying Rowle, who might be associated with dark magic, would make many question her motives. Some might think she's gone to the dark side herself, while others might suspect there's more to the story than meets the eye.
She might initially be defiant. Hermione is a strong - willed character. So, she could start by giving Rowle a piece of her mind, showing that she's not afraid of him. She'd probably try to analyze the situation and figure out how she got captured in the first place.
She could save him by appealing to his better nature. Hermione is known for her intelligence and ability to reason. So, she might talk to Thorfinn Rowle, convince him to turn away from whatever dark path he was on that put him in danger in the first place. By showing him an alternative way, she could in a sense'save' him from his own self - destructive actions.
Well, perhaps in this fanfiction encounter, Rowle has changed. He could approach Hermione with an offer of truce or alliance. Maybe he has seen the error of his ways in the dark wizarding world. Hermione, being the intelligent and cautious witch she is, would be very skeptical at first but might listen to what he has to say.
At first, Hermione could be very guarded around Rowle. But as she delves deeper into understanding him, she realizes he has some unique perspectives on magic. They could start to exchange ideas, which gradually turns into a more friendly relationship. He might even start to protect Hermione from other threats in the wizarding world, seeing her as a beacon of hope for his own redemption.
Maybe he's attracted to the unique interpretations of Hermione's character in the fanfiction. Different fanfictions might show different sides of her, like her intelligence in new and exciting ways.
It might involve a redemption arc for Thorfinn Rowle. Hermione, with her kind heart and strong sense of justice, could be the one to see something good in him. There could be a lot of tension as they come from different sides, Hermione being a Gryffindor and Rowle being associated with the dark forces. Their relationship could develop slowly as they get to know each other better.
She might be sympathetic. Artemis, being a goddess of the hunt and having a sense of honor, would probably respect the fact that Percy got those scars through his battles. So she could show him some kindness that he may not expect from her.
Darth Vader would probably have a complex reaction. He might feel a sense of familiarity that he tries to suppress. His first instinct could be to destroy R2D2 as it represents a part of his old self that he has tried to forget. But at the same time, he might be intrigued by what the droid could tell him about his past or the Rebellion.
Fleur could be in awe. Harry's scars are a testament to his battles and his survival. She might see him as an even greater hero than she already thought. She could start to treat him with more respect and admiration, perhaps even looking up to him in a new way.