Board Thread:Spoilers!/@comment-24304025-20150202171011/@comment-25602483-20150304182457

Imagine Zelena while "frozen" in regina's vault, stole her pendant back giving her magic back. The reason why Zelena might have magic outside Storybrooke is that her pendant. Its a magical item, so instead of zelena having the magic within her, the pendant took it all out from her and harness and grow its power within itself. This make sense considering Rumple was able to use his scarf and enchant it to keep his memories intact while outside the vicinity of storybrooke. his magic basically reformed into an enchantment spell within that scarf. Another example is hook's ship, it managed to stay invisible with cora's cloaking spell. I think once an item is enchanted or a source of magic item itself, it retains its power whether inside storybrooke or out. Another example is Ingrid's magical stone she used to take out memories. During her time in SB with no magic, it still does what it suppose to do. So Very likely that Zelena's pendant has this ability to retain its magical property, hence, giving Zelena magic while outside SB.