chunk: Anna and Elsa reunite, but Elsa still fears hurting her sister. When Anna insists that Elsa return, she becomes agitated and her powers lash out, accidentally striking Anna in the heart ("For the First Time In Forever (Reprise)"). Horrified, Elsa forces Anna, Kristoff and Olaf to leave by creating a giant snow creature named Marshmallow that chases them away from her palace. As they flee, Kristoff becomes concerned when he sees Anna's hair turning white. He seeks help from the trolls, his adoptive family, who explain that Anna's heart has been frozen by Elsa ("Fixer Upper"), and that unless it can be thawed by an "act of true love", she will become frozen solid forever. Believing that only Hans can save her with a true love's kiss, Kristoff races back with her to Arendelle.