Sure is! Wings of Fire consists of multiple books that tell an engaging story. It has captured the hearts of many with its imaginative plot and characters.
Well, without having read 'burn your wings bnha fanfic', it could be about a character in the My Hero Academia world who has to make a difficult choice that's like burning their wings. Maybe it's a hero who has to give up a part of their power or reputation ('burn their wings') in order to save others or uphold justice. It could also be a story about a villain who once had noble intentions but had to sacrifice something important ('burn their wings') in their descent into villainy.
Without reading the 'burn your wings bnha fanfic', it's hard to say for sure. However, in many BNHA fanfics, Deku is often a central character. So there's a good chance he could be one of the main characters in this fanfic. Another possibility could be Todoroki, given his complex backstory and character development in the original series. But it could also be about some minor characters from the show who get a more in - depth story in this fanfic.