Board Thread:Spoilers!/@comment-25733960-20150223011533/@comment-1894786-20150313173628

Even in-universe in the Disney canon, Chernabog is the most evil of villains, with Hades being the oldest and Maleficent being the darkest. And on the show, it's Rumple, then Regina. So... Mal isn't really the darkest by any means.