Well, 'Dragon - Hiccup's New Identity' is a great one too. It shows Hiccup's transformation not just physically but also in terms of his role within the Viking community. He has to deal with the newfound powers and the responsibilities that come with his dragon - like form. It's full of action and some really cool descriptions of Hiccup's dragon - related abilities.
There's also 'Hiccup's Dragon Metamorphosis'. In this fanfiction, the author focuses on the emotional aspect of Hiccup's transformation. It delves into his relationships with Toothless and the other Vikings, and how his new state affects those bonds. It's really interesting as it gives a deep look into Hiccup's internal struggles.
A major theme is power and responsibility. When Hiccup transforms, he gains new powers. In these fanfictions, he usually has to figure out how to use them for good and not let the power corrupt him. Friendship is also a big part. His friends' reactions and how they support or struggle with his new form is often a key element. And there's the theme of identity. Hiccup has to re - define who he is in the context of being part - dragon.
One great fanfiction is 'The Female Hiccup's Adventure'. It follows a female Hiccup as she discovers a new type of dragon and has to learn how to train it while also dealing with the doubts of her tribe. Another is 'A Girl Named Hiccup', which focuses on her relationship with her father and how she tries to earn his respect in a different way than the male Hiccup did in the original story.
One interesting story could be about Hiccup exploring a new, uncharted island with Toothless and encountering a rare, magical dragon species. They have to figure out how to communicate with it and earn its trust.
One possible fanfiction could be about a young girl named Lily who discovers she has the power to transform into a dragon. The hiccup part could come in when she first tries to control her transformation and has some minor setbacks, like hiccups in her magic. She might then go on an adventure to find out more about her new powers and her dragon heritage.
One great 'httyd hiccup x toothless fanfiction' is 'The Bond Beyond Words'. It beautifully explores the deep connection between Hiccup and Toothless. The story shows their adventures in a new light, with vivid descriptions of their flying together and how they communicate without words.
There's also a story called 'Ruffnut's Revelation' which is quite popular. In this fanfiction, Ruffnut has a moment of self - discovery while her relationship with Hiccup is changing. It shows how she realizes new things about herself and how that impacts her interactions with Hiccup. It's a really engaging read with a lot of character development.
One popular 'HTTYD Hiccup is a Dragon Shifter' fanfic could be 'The Dragon Within Hiccup'. It explores how Hiccup's new ability as a dragon shifter changes his relationship with Toothless and the other dragons. Another might be 'Hiccup's Shifting Destiny' which delves into the challenges he faces while hiding his new form from the village at first.
One interesting plot could be Hiccup's struggle to control his new dragon form. He might initially be frightened by the sudden transformation and have to learn how to move, fly, and use his dragon abilities. Another plot could involve how his friends and the village react to his transformation. Some might be scared, while others could be in awe. And a third plot could be Hiccup using his dragon form to protect the village from a greater threat that normal human - dragon cooperation couldn't handle.
Sure. 'The Dragon Racing Chronicles' is a great piece of httyd dragon racing fanfiction. It focuses on a new team in the dragon racing circuit and their journey to the top.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of HTTYD fanfictions. Just search for 'Hiccup dragon master' and you'll get a bunch of results.