In the 'invisible dragon novel', the invisible dragon may possess a unique connection to the spiritual or magical realm. Given its invisibility, it could be a bridge between the mortal world and a more ethereal plane. It might be able to communicate with other magical creatures that are also not fully part of the visible world. This connection could drive the plot as the characters might need to access this spiritual realm through the dragon for some important purpose, like finding a lost artifact or solving a mystery.
Well, without having read 'invisible dragon web novel', it might be a story where the invisible dragon is a symbol of mystery. Maybe it has special powers that only certain characters can perceive, and the plot could revolve around those who try to uncover the secrets of this dragon in a complex web - like setting of the story.
It could be that the story follows a protagonist who discovers the invisible dragon. This discovery might set off a chain of events. Maybe there are conflicts with those who want to use the dragon for evil purposes, and the protagonist has to protect the dragon. The dragon's invisibility could add an element of mystery and intrigue to the plot, making it difficult for enemies to track or attack it directly.
I recommend to you "Ten Thousand Immortals of Martial Suppression". The main character in this Xianxia novel can obtain the Indestructible Diamond Divine Art and the Innate Invisible Sword Aura through the martial arts cultivation system brought by the visitors from another world. The super strong sword aura attack is the Invisible Sword Aura. I hope you like this fairy's recommendation. Muah ~😗
There may be some 'invisible dragon novel' in the sub - genre of magical realism. Magical realism often combines the ordinary world with magical elements like an invisible dragon. Look for books by authors who are known for this genre. For example, some Latin American authors are famous for their magical realism works, and you might find a story with an invisible dragon in their oeuvre or something inspired by their style.