The Martyrs of Mount Ber'ain provides important evidence for enduring concerns of Christian self-definition in the framework of the Sasanian Empire, especially as represented by the Zoroastrian priesthood. The three children, Adarparwa, Mihrnarse, and Mahdukht, work to forget their education by the Magi, with whom they soon find themselves engaged in battle; and yet some key features of the narrative, especially Mihrnarse's vision, reflect shared...