Board Thread:Spoilers!/@comment-24674051-20150915144108/@comment-6175354-20151105025420

Eskaver wrote: Yes, and so far, Twu Luv is the most powerful. So, Merlin feels that that's the best. Plus, he can see parts of the future....and clearly they did something that made Emma mad.

Or Merlin lied to everyone, and that is what caused Emma to go off the deep end. Her loved one put their faith in strangers, instead of one another.