Board Thread:Character Discussion/@comment-4877635-20140428175429/@comment-8345449-20140430095139

I think it was Zelena who banished her to the Dark Forest and trapped her there. The snow-covered space and the magical door-to-nowhere was something she created to protect herself and to keep out unwanted visitors. Rumple's rhyme does imply that she hides from those who are not pure of heart.