I believe world building is very important, before i begin any Fantasy Story, I build the world from scratch, details are everything. But there could be such a thing as to much. Just depends on how you're doing it and what exactly you're trying to create.
I'm new around here, I found this website/forum after doing a search on Google. I'm a writer, I write mostly Fantasy/Fiction, I've written a 300+ page Novel that's unpublished that i did in High School, I'm attempting to re-write to make longer and fix up(My current project among others). I also...