Board Thread:Spoilers!/@comment-26443838-20160203031256/@comment-25926288-20160216013839

8Rob wrote: JMXD96 wrote: Eskaver wrote: We'll learn the rules of the Underworld, but I'm certain you can't kill the dead. I think Emma will need to throw Cruella off of another cliff to test that out. xD Emma will be like "Hi there. Its been a while since I killed you" Nah, Emma will totally do it while in md-conversation and act like nothing happened.

To use Ursula's words, Emma will totally use "those hands" on Cruella. I mean she's been the Dark One and Cruella missed it. I'm sure she'd use Cruella above even Zelena.