 Emma convinces Elsa that it is too risky to blast through.After making it back to the library, at the constant urging of Regina, and eventually Mary Margaret, Emma explains to Elsa that she needs to think about saving more lives than just Anna's.Elsa finally hands over the bag containing the necklace, but when Mother Superior opens it, it is revealed that Elsa has swapped out the necklace for rocks and has gone to find Anna on her own.