Board Thread:Spoilers!/@comment-6175354-20141215234519/@comment-5188977-20150227023535

Eskaver wrote:

The only one we saw have a confirmed happy ending was Ingrid, and how did she get it: her sacrifice and death.

To be fair, Ingrid's happy ending was to have her sisters' love back. She realized she never lost them, prompting her to reverse her spell. So we could say that she had her happy ending, even before she sacrificed herself.