Board Thread:Spoilers!/@comment-9241531-20150811165057/@comment-6175354-20151014135015

Eskaver wrote: Just have Emma wave her hand and free Merlin. I mean if Emma uses magic (which makes her dark) then at least Merlin is free to help her.

Emma probably will be the one to free Merlin, but it will be a catch-22. Also, I think, Arthur knew from the start that Emma is the Dark One.... her family is really bad at lying.