Well, a great mind flayer fanfiction might involve a mind flayer who gets separated from its colony and has to survive in a world full of other races. It has to adapt and learn new ways to communicate without using its usual mind - controlling abilities. Another interesting one could be a love story between a mind flayer and a character from another species, which would be quite unique as mind flayers are often seen as very alien and menacing. And then there are fanfictions that rewrite the entire lore of mind flayers, giving them a different purpose and place in the fictional universe.
One common theme is isolation. Female mind flayers are often depicted as being alone or not fully accepted in their world. Another theme is power. They usually have strong mental powers which they have to learn to control. For example, in many fanfics, they struggle with using their mind - controlling abilities in a moral way.
Well, AO3 is an excellent place to find mind flayer fanfiction. It has a well - organized tagging system, so you can easily filter for the type of mind flayer story you're interested in. Another place is Reddit. There are some subreddits dedicated to fanfiction where people might share or recommend good mind flayer stories. Additionally, some gaming or fantasy - related forums may also have sections for fanfiction, and you might stumble upon some great mind flayer works there.
One great 'female mind flayer fanfic' could be 'The Mind Flayer's Daughter'. It explores the unique perspective of a female mind flayer in a world filled with danger and mystery. The story delves into her struggles to fit in among the other creatures while having her own set of powers and desires.
The theme of fear is often present in Vecna fan fiction. He is a terrifying character, and writers play with that aspect, showing how his presence instills fear in the characters in the story. Additionally, the theme of his connection to other entities in the Upside Down or in the real world is common. For example, how he might interact with other monsters or even with humans who have some sort of link to his power.
Perhaps Vecna told Nancy his story to establish a connection with her or to confuse her. It might have been part of a larger plan to achieve his goals.