The purpose or the mission that Astrid has as a dragon is often a central element. Maybe she has to save the dragon world from a threat, or she's on a quest to find out more about her new form and its origin. This gives direction to the fanfiction story.
A key element would be the relationship between Hiccup and Astrid. Their love for each other would be highlighted, especially with the new addition of a baby on the way. The pregnancy itself is a major part, showing how they adapt to this new phase of life. And of course, the lemon aspect would add some romantic and passionate moments between them. For example, they could have a special evening under the stars, sharing their feelings about the future family.
The key element is often the trigger for the transformation. It could be an emotional upheaval, like intense anger or love. For instance, if Astrid witnesses her loved ones in great danger, her strong emotions might spark the transformation. Another element is the appearance change. She may grow scales, wings, and a tail. Her eyes might change color to something more dragon - like. Also, the acquisition of new powers is important. She could gain the ability to communicate telepathically with other dragons.
One possible plot could be that Astrid is cursed by an evil sorcerer. At first, she has no idea what's happening to her but slowly starts to notice physical changes like her skin getting scaly. As she turns more and more into a dragon, she has to struggle to maintain her relationships with her friends who are initially afraid of her new form. Eventually, she discovers a way to break the curse through an ancient magic ritual.
When it comes to 'How to Train Your Dragon' fanfiction with Astrid lemon, it could mean anything from intense emotional conflicts to bold actions. It all depends on the author's imagination and creativity.
Another one could be 'Astrid's Dragon Bond'. In this fanfiction, Astrid forms a special bond with a powerful dragon. It shows how this bond affects her personality and her role in the overall story.
It's all about imagining their adventures in a contemporary setting. You can have them dealing with modern problems while still retaining their dragon-training skills.
Family is another theme. Some fanfictions explore how Hiccup and Astrid start a family of their own, and the challenges and joys that come with it. This can include raising their children, passing on their dragon - training knowledge, and dealing with family - related conflicts. There are also fanfictions that look at their relationships with their own families, like how Hiccup's relationship with his father affects his actions and decisions in the fan - created stories.
Perhaps an ancient dragon that has been sleeping for centuries and wakes up to find Astrid turning into a dragon. This dragon sees Astrid as an abomination because she was not born a dragon but is becoming one through some unnatural means. So, it decides to hunt her down and destroy her.
One possibility could be that they face challenges in protecting their unborn child from the threats in their dragon - filled world. For example, they might need to find a safer place to raise the baby, away from the more dangerous dragons or villains. Maybe they also struggle with how to balance their duties as dragon riders with the upcoming responsibilities of parenthood.
In such fanfiction, Astrid and Toothless' interactions can be highly imaginative and often involve intense and passionate moments.