Another theme is the idea of redemption. Many fanfictions explore whether Fenrir can be redeemed through his interactions with Hermione. It's about whether love or friendship can change a character who has been on the wrong path for so long.
One common theme could be the struggle between different magical worlds or ideologies. Since Fenrir is often associated with the darker side of the wizarding world and Hermione is a very 'light - side' character. Another theme might be the exploration of an unlikely relationship, as their personalities and natures seem quite different.
One common theme is the struggle with the unexpected nature of the pregnancy. Given Fenrir's complex and often villainous nature in the original Harry Potter lore, there could be a lot of internal conflict for Hermione. Another theme might be how the wizarding world reacts to such an unusual pairing having a child.
One common theme could be redemption. Since Fenrir is a rather dark character, the fanfiction might explore the idea of him being redeemed through his relationship with Hermione. Another theme could be the struggle between good and evil within the relationship. Hermione represents good and Fenrir represents evil, and their relationship could be about how these two forces interact.
One common theme could be the power struggle. Since Fenrir is a werewolf and Hermione is a powerful witch, their relationship in the fanfiction might revolve around the clash of their different powers and how Hermione tries to resist Fenrir's obsession. Another theme could be the idea of redemption. Some stories might explore whether Fenrir can be redeemed through his relationship with Hermione.
One possible theme is redemption. Maybe the fanfiction explores the idea of Greyback being redeemed through his interaction with Hermione. This could be appealing as it shows the power of goodness (represented by Hermione) over evil.
Friendship or mentorship can also be a theme. In some fanfictions, Harry might take on the role of trying to mentor Fenrir, to help him control his werewolf side. Or they could form an unexpected friendship that challenges the norms of the wizarding society. This kind of relationship development can be really interesting to read about.
One key theme is danger. Fenrir is a dangerous werewolf, and his following Hermione puts her in constant peril. Another theme is the power of intelligence. Hermione uses her brains to try and figure out his motives and stay safe.
One reason could be the contrast between them. Fenrir is a dark, savage werewolf and Hermione is a smart, strong - willed witch. Writers like to explore the dynamic of such opposite characters being drawn to each other. It creates a lot of potential for conflict and drama in the story.
One common plotline could be Hermione finding ways to outwit Fenrir Greyback. For example, she might use her intelligence and knowledge of magic to set traps or create diversions. Another could be other characters coming to Hermione's rescue, like Harry and Ron realizing she's in danger and using their skills to protect her from Greyback.
It's quite controversial. Fenrir Greyback is a villainous character who preys on others, especially children. Hermione represents all that is good in the wizarding world - intelligence, friendship, and justice. Combining them in a'mate' relationship in fanfiction distorts the values of the original series. However, some might explore it to show extreme character arcs or alternate universes, but it's not a common or uncontroversial theme.