Board Thread:Spoilers!/@comment-26261400-20150826194347/@comment-6175354-20151020144739

Lautarolynn123 wrote:

My theory is: Emma rips Violet's heart out and is about to crush it but Henry or Regina convince her not to by comparing her to Cora. Only for Emma to crush Violet's heart, in front of Henry, regardless.

The Darkness said, that there would be a price for removing Excalibur.... that price is probably, Emma's relationship with Henry.