Board Thread:Spoilers!/@comment-25624943-20141211075940/@comment-5925413-20141211220021

It's Ursula. I'm even more sure now that I've just read the wiki article about The Tempest (thanks ROSSELLA1 for the idea). An air spirit is called Ariel. And the Little Mermaid becomes an air spirit at the end of Andersen's tale.

Haha, it's not many X'D, but enough for me *^*