Board Thread:Show-Related Questions and Answers/@comment-24892981-20140709103725/@comment-4975807-20140824015502

Angel7090695001 wrote: But wasn't that only because she specifically blood locked it? The spell to protect her heart isn't blood magic isn't it? Regina didn't cast a spell to protect her own heart. She only took it out and gave it to Robin Hood to guard. If she did cast a spell to protect her own heart, sealing it with blood magic is the last thing Regina would do since Zelena could break it due to their blood connection.

Zelena could enter the castle crypt in the Enchanted Forest because Regina specifically locked it using blood magic. I do not recall Regina, in Storybrooke, ever using a spell to lock her office. Or I could be remembering wrong.