The fanfiction might explore how Ginny deals with this knowledge in the context of the wizarding world's battle against Voldemort. Ginny has always been a strong character. Learning that Harry is a Horcrux could make her question a lot of things. For example, she might wonder about Dumbledore's plan all along. Was he aware of this? And if so, why didn't he do more to prevent it? Ginny could then take matters into her own hands, using her own skills and courage to try and ensure Harry's safety while also trying to defeat Voldemort.
Well, in the fanfiction, Ginny could be portrayed as being very determined. Once she learns Harry is a Horcrux, she might start researching all the dark magic related to Horcruxes. She might collaborate with Hermione, using their combined knowledge to figure out a solution. It could also add a new layer to their relationship, with Ginny being even more protective of Harry.
In this kind of fanfiction, it often shows Ginny's shock and the complex emotions she might have. She might be worried about Harry's fate, as being a Horcrux means he is tied to Voldemort in a very dangerous way. This discovery could lead to her trying to find a way to break the Horcrux connection without harming Harry.
The theme of self - discovery for Ginny is often seen. As she delves deeper into the situation of Harry being a Horcrux, she might discover new aspects of herself, like her own strength in dealing with such a complex and dangerous situation. And there's also the theme of hope, that despite the seemingly impossible situation, there is always a way to save Harry and defeat Voldemort.
Well, it depends on how the author writes it. Maybe Voldemort would initially be in disbelief. But once he accepts it, he could start to manipulate Harry in different ways. He might think that by controlling Harry, he can control the Horcrux within him. This could create some really interesting plot twists where Harry has to resist Voldemort's attempts at a much deeper level than just physical attacks.
One possible consequence is that Harry becomes an even bigger target for Voldemort. Since a Horcrux is important to Voldemort's immortality, he'd be more determined to get to Harry. Also, Harry might start to experience some strange effects on his soul or magic due to being a Horcrux.
She might be devastated. Ginny loves Harry deeply, and the news of his impending death would shatter her world. It's likely she'd initially be in denial, not wanting to believe it could be true.
It could make their relationship more intense. Knowing he's going to die, they might cherish every moment together more. There would be a sense of urgency in their interactions.
One implication is that Harry's life is in even more danger. Voldemort might be more determined to keep him alive until he can fully use Harry for his own evil purposes.
Sirius might be shocked. He'd probably feel a mix of horror and protectiveness. He'd be horrified that Voldemort has used Harry in such a way and would be even more determined to keep Harry safe from Voldemort's clutches.
Well, Sirius is a very protective character. When he discovers that Harry is a Horcrux in the fanfic, he could initially be in denial. But once he accepts it, he'd likely start looking for ways to either protect Harry from Voldemort or find a way to remove the Horcrux part from Harry. He might also feel angry that Harry has been put in such a dangerous situation.
His reaction would likely be very different. At first, he might be angry that he didn't know this before. But then, he could start to see opportunities. He may think that if he can somehow control Harry as a Horcrux, he can gain more power. So, he might change his strategy from simply trying to murder Harry to trying to subdue him in a different way.
If Harry were to create a Horcrux in fanfiction, it would likely lead to a great corruption of his soul. Horcruxes are dark magic, and the act goes against all that Harry stands for in the original series. He might start to show signs of increased aggression, a detachment from his friends, and a growing attraction to the Dark Arts.