chapter 16- The night she finds out her father has been chosen, Fayge finally speakes to the girls. what is her story about

That night Fayge tells them a story about the great Ba'al Shem Tov. In the story he is just a boy named Israel. His father warns him that the enemy will always be with him because the enemy is part of him. The father assures Israel that the enemy cannot ever enter Israel's soul, because his soul is part of God. In the story Israel leads a small band of boys against a werewolf, whose heart is Satan's. Israel walks straight into the werewolf's body and retrieves the heart, an awful heart filled with immeasurable pain. Israel pities the heart and wishes to give it freedom. He places it on the ground and the earth opens to claim the black heart into itself.