As has been pointed out, she’s the savior, so it’s what she does. Since she actually is TL incarnate, it’s still not clear to me whether it was Emma’s true love for Hook that let her pass so much as it was her heart being made of her parents’ true love that let her pass.
Alas, even though one of these explanations actually makes sense, I do believe they intended the other one.
I didn’t even watch the CS scenes properly because I knew they’d make me wanna puke. Played a game on my phone during every one of their scenes to distract me.
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