Yes, there are likely some popular ones. For instance, some fanfictions that explore the relationship between Hiccup and Astrid during the time leading up to HTTYD 2 are quite popular. They might show how their relationship evolves and how they support each other in anticipation of the new threats in the second movie.
Well, Red Death in the comics is a fusion of Batman and the Speed Force. This makes them a formidable and dark presence with unique abilities and a menacing agenda.
The main theme in 'A Red Death' is likely a combination of themes such as the powerlessness against fate, the impact of death on human behavior, and the idea of trying to escape the inevitable. It's a complex and thought-provoking novel in that regard.
It isn't science fiction. 'The Masque of the Red Death' focuses on themes like death, fear, and the macabre, which are far removed from the scientific and technological concepts that define science fiction.
Red Flute Life and Death Arena was a modern romance novel about the female protagonist Mo Yu, who fell in love with a mysterious man after breaking up with her fiancé Yang Chen due to a misunderstanding. However, Mo Yu's fiancé, Yang Chen, had married another woman without her knowledge, causing the two to fall into a heavy misunderstanding. Mo Yu and Yang Chen chose to support each other at the moment of life and death and finally came together. The novel was full of sincere emotions and ups and downs, which was loved by readers.
One interesting fanfiction could be about Toothless having a unique adventure during the time between the first and second movies that the other characters are unaware of until later in HTTYD 2. Another might focus on Hiccup's internal struggles as he anticipates the new challenges in HTTYD 2, all while still dealing with the aftermath of the first movie's events.
At the start, we learn about the Red Death which is ravaging the land. Prince Prospero, instead of facing the reality of the plague, retreats to his abbey with a thousand friends. He arranges a masquerade ball in seven differently - colored rooms. The ball is in full swing when a mysterious figure appears. This figure, which represents the Red Death, makes its way through the rooms. The prince challenges it, but death cannot be defied. The presence of the Red Death in the abbey results in the death of everyone present, showing that death is an inescapable fate.