The queen struck her in the heart. [ Simple as that, right? Except that's not an adequate explanation of the situation, how it happened, and how Hans is going to help. Communication isn't exactly one of Kristoff's strong suits. Usually, he's okay with that, but it won't do here. He frowns and tries again. ] With her powers, I mean, and... And 'only an act of true love can thaw a frozen heart.'

[ To quote Grand Pabbie. ]

So... Anna's back in Arendelle. You have to be, too.