A prevalent theme is family. Sometimes, it's about her creating a new family unit with other characters or her longing for a family she may have lost. Additionally, the theme of nature and its connection to Fem Toothless is often explored, as she is a dragon after all and has a deep link to the natural world.
Empowerment is also a theme. Fem Toothless is usually depicted as a strong and independent character, capable of taking on challenges on her own. And there's also the theme of discovery, whether it's about her own abilities or about new things in the world around her.
One common theme might be a romantic or sexual relationship between Fem Hiccup and Toothless. Since it's lemon fanfiction, there could be elements of physical attraction and desire explored in the stories.
One common theme could be friendship. Fem Harry, coming from a world of magic and challenges, and Toothless, a powerful and unique dragon, could form a deep bond of friendship. It might explore how they understand each other despite their different origins.
One common theme is friendship. Since Hiccup and Toothless have a strong bond in the original, this is often explored in a different way when Hiccup is female and Toothless is human. Another theme could be adventure. They might go on quests together, just like in the original but with a different dynamic.
One common theme is the exploration of a unique bond. Since Toothless is usually a dragon and now being a female in these fanfictions, the relationship with Hiccup can be seen in a new light, often involving a deeper emotional connection.
One common theme is adventure. Since they are based on the How to Train Your Dragon world, they often go on quests together.
A common theme is the exploration of an unusual bond. Since it's a cross - species relationship, there's often a focus on how they overcome the differences. Another theme is mutual understanding. Hiccup and fem Toothless have to understand each other's needs and wants. For example, in many fanfics, Hiccup learns to communicate with fem Toothless in new ways.
Another common theme is adventure. Fans like to take Toothless on new quests and adventures, often in uncharted territories. For example, some fanfictions might have Toothless exploring a hidden dragon realm. It makes for exciting reading as we get to see Toothless use his skills in new and different situations.
Self - discovery is another theme. Through their relationship with Toothless, the human often discovers new things about themselves, like hidden courage or a new perspective on the world. And for Toothless, his interactions with the human can also lead to self - discovery, perhaps learning about the value of a different kind of relationship compared to those with other dragons.
Friendship is a very common theme. The relationship between the girl and Toothless is often based on mutual understanding and support.
Adventure is a very common theme. Since Toothless is a dragon, he often goes on exciting journeys in different crossover worlds. Another common theme is friendship. For example, when he crosses over to a world like the Avengers, he forms new friendships. Also, discovery is common. He discovers new things about different worlds and cultures in the crossovers.