Board Thread:Show-Related Questions and Answers/@comment-1413020-20140109235107/@comment-1773585-20140116201756

I like to think the staff she used, combined with her own power, is what protected that part of the land. Maybe the staff is from Wonderland, which is why no other powerful magic user from the Enchanted forest could escape the curse.

Hence, no one in Storybrooke knows abouth the staff and could not stop Pan's curse.