Board Thread:General Discussion/@comment-4962906-20151021085039/@comment-25926288-20151021132105

ChocolatEyes613 wrote: Emma has always been able to use a dreamcatcher, to see into the past. However, it was hinted that only the Dark One can free Merlin, from the tree. What the post is talking about is that in the next episode, Emma will use the Dreamcatcher, but Regina told Emma not to use magic because it's dark. (It was said that only the savior can free Merlin, not the Dark One)

My point  and others, is that if Emma is using Dark  magic for the other thinbgs, why doesn't she just free MErlin so they can get the arkness out of her instead of waiting and using Dark magic along the way.