Toothless, of course. As Hiccup's dragon, he is a major part of any httyd - related fanfic. His unique abilities and his relationship with Hiccup are explored in different ways, like how they communicate without words in some fanfics.
A plot might also center around a lost dragon rider from the past. This rider could have a different way of bonding with dragons compared to Hiccup. Their appearance in the present day could cause some friction at first, but eventually, they team up with Hiccup and the gang to face a common enemy, like a powerful dragon - hunting group.
I'm not entirely sure as there could be many different 'the dragon returns fanfic' out there. It might be about a dragon coming back in a fictional story. Maybe it's set in a fantasy world where the dragon's return has a big impact on the characters and the plot.
Well, it could be about a unique fan - created story in the How to Train Your Dragon (HTTYD) universe involving a hybrid dragon. It might explore the characteristics, abilities, and adventures of this special dragon within the context of the HTTYD world.
First, understand the world of HTTYD well. Know the characteristics of different dragons and the relationships between characters. Then, create an interesting plot. Maybe a story about a human turning into a dragon and their adventures in the dragon world. Also, focus on character development. Let the characters grow and change throughout the fanfic.
One idea could be a story about a new dragon species that has unique abilities, like the power to control time. The main character discovers this dragon and they form a bond while trying to protect the dragon from those who would misuse its power.
Popular ideas in HTTYD were dragon fanfic often involve power. For example, a were - dragon might have special powers that others don't. They could use these powers to protect the dragon - human relationship. Also, the concept of a prophecy related to were - dragons can be really interesting. It can drive the plot forward as characters try to figure out if they are part of the prophecy. Friendship between a were - dragon and other characters, whether human or dragon, is also a common theme.
One interesting fanfic could be about a young Viking who discovers a new type of dragon with unique abilities and has to learn how to train it in a completely different way compared to the known dragons. Maybe this dragon can change its form or has powers related to the elements in a way not seen before.
There are fanfics that center around the growth and development of anthro dragons. They might start as outcasts in their own world and gradually find their place. These stories often involve character - building and the exploration of friendship. Some might also include elements of mystery, like uncovering ancient secrets related to the anthro dragons.
There might be a dragon rider as one of the main characters. If the dragon had a rider in the past, perhaps that person or their descendant is involved in the story when the dragon returns. Another possible main character could be a villain who wants to use the dragon's power for evil purposes.