You have to at least seen the movie. If you've seen the Harry Potter movies but haven't gotten around to reading them you could still be a part of the fandom in my opinion. But if you haven't even seen the movies then hell no.
CZYTASZ
Random Fandom stuff
RandomThis is just a bunch of random fandom stuff. There will be memes, joke, and anything else I find. I don't own anything in this unless said otherwise.
You Can't Sit With Us
You have to at least seen the movie. If you've seen the Harry Potter movies but haven't gotten around to reading them you could still be a part of the fandom in my opinion. But if you haven't even seen the movies then hell no.