Board Thread:Show-Related Questions and Answers/@comment-34924658-20151201003822/@comment-25926288-20151201020413

Lol, besides the writers (which are always the big bads...or just the bads XD), but I'm kidding as some of them writer wonderful episodes.

The Big Bad is Nimue aka the Darkness aka the Dark One

Major Antahonist is Emma

Minor is Hook, Arthur, Zelena