Well, fanfiction allows for creativity. You could write about what happens after the events of the movies, exploring their friendship in different scenarios. Or maybe focus on their inner thoughts and feelings that weren't fully explored on screen.
In many fanfictions, Toothless and Hiccup's relationship is explored through adventure and deepening emotional bonds. Sometimes, they face new challenges together that strengthen their connection.
The fanfic often explores their deep bond and adventures. You'll see them facing new challenges together and growing even closer.
In this fanfiction, Hiccup and female Toothless usually have adventures and develop a deep bond through facing challenges together.
Typically, these fanfictions might focus on the emotional connection and mutual growth of Fem Hiccup and Toothless. There could be challenges they face together and how they overcome them.
There are many ways this fanfiction can explore their relationship. It could focus on their adventures together, their emotional bonds, or how they overcome challenges as a team.
You could focus on developing their relationship further. Maybe explore how they deal with growing up and the challenges that come with it. Also, think about adding some unique elements to the world they live in.
To write such a fanfiction, focus on building the chemistry between Hiccup and Toothless. Come up with unexpected situations that challenge their relationship and force them to grow closer. And don't forget to sprinkle in some emotional moments to make it really touching.
Toothless might use his firepower and speed to fend off enemies threatening Hiccup. He could also use his intelligence to anticipate danger and keep Hiccup safe.
Just start by imagining unique adventures and interactions for them. Focus on their bond and the challenges they face together.
Toothless might use his speed and agility to rescue Hiccup from a dangerous situation, like a sudden attack by another dragon.