Important question: Rumple’s ability to come and go from the Underworld required both his blood and the DO dagger/magic.
If he gives up his power before they go back to Storybrooke/other realms, are they all stuck?
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Keeper of Belle's Gold magic, sand dollar, cloaks, purple FTL outfit, spell scroll, library key, copy of Romeo and Juliet, and cry-muffling pillow, Rumple's doll, overcoat, and strength, and The Timeline. My spreadsheet: https://drive.google.com/file/d/0B6r8CySCCWd9R0RUNm4xR3RhMEU/view?usp=sharing