Thats a whole can of worms that none of us expected even existed, Ginnifer Goodwin tells EW.

Once you snuff out the light, all there is is darkness, Parrilla says.

What does that mean for everyone?

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Credit: ABC

All the living souls are in danger, especially because we dont know what could happen.

Its a scary fate for them.

He thinks thats the end of it.

Shes obviously saying, Why are you trying to get rid of me?

Hes like, Im not.

I just want you to have the life youve always wanted.

Hook is facing an internal struggle, executive producer Edward Kitsis says.

The real question is: Is he willing to sacrifice everyone else in his life to get revenge?

The roles are reversed because now it is up to Emma to save him.

She feels incredibly guilty that shes responsible for everything going astray, Morrison says.

Now her sons life is threatened.

Thats the big thing that gets Emma every time.

Now, as the Dark One, she made choices to hurt him, which is devastating.

Her family is in danger, including Henry, because of the choices shes made.

Shes in such a deep well of guilt and will do anything she can to make it right.

Once Upon a Times midseason finale airs Sunday at 8 p.m.