Otherworldly and unique

On February 9, 2014, Michelle Dyck wrote, I've been working on a fantasy series for several years now. (And book one has undergone massive changes and rewrites, which means that the following books will need the same once I get back to them!) The majority of the series takes place in another world. Anyway, I've been wondering about whether my main "good guy" nation is unique enough... vivid enough... real enough. This would be an easier problem to fix if I was in the beginning stages of writi...