Well, it varies. Some authors might incorporate menstruation as a natural aspect of a character's life, while others might avoid it altogether if it's not relevant to the main plot of the fanfiction.
You might enjoy 'The Return of the Red Death'. In this story, the fearsome Red Death makes a comeback, and it's up to the gang to stop it. It's full of action and drama.
The depiction of the traitor in How to Train Your Dragon fanfiction varies. Some writers make them purely evil, while others give them a more nuanced backstory and reasons for their betrayal.
Some egg laying fanfiction stories in this universe might explore the magical aspects of egg laying or the emotional bonds formed around it. You might have to do a bit of digging to find the ones that suit your taste, but they're out there!
In some fanfictions, Hiccup might be shown as evil by making choices that harm others or going against his usual kind nature.
Well, when Hiccup is depicted as a demon in fanfiction, it usually involves a transformation of his appearance and abilities. Sometimes it's used to explore alternate storylines or add a supernatural element to the original story.
Hiccup is depicted as hot in fanfiction by showing his growth and transformation. Maybe he becomes a master dragon rider with a heroic presence or has a softer side that makes him endearing and appealing.
It might be a story where the characters have to deal with the dragon's frequent and smelly farts, leading to all sorts of adventures and challenges.
The mix of different dragon species and their unique powers can be really exciting. Also, seeing how characters interact with these hybrids adds a new layer of adventure.
Well, one that's quite loved is when the characters face a new powerful enemy that threatens the entire dragon world. It has lots of action and drama.
You can find all sorts of storylines. Some might focus on the characters' adventures after the events of the movies, while others might explore alternate universes or prequels.