I ninety percent sure its the blue fairy because it looks like her, as well as the knowledge that Cora isn’t going to just jump out in the open like that.
[adrotate group="5"]
Keeper of Swanfire's dream catcher, the Blue Fairy Plot Device, the contact name "Her", the lanyards, the trigger, the Netherworld room and necklace, Charming's quote on Thanksgiving, and PP's pic of Henry