The old Shemsu-Heru called Ra-Hekau the supreme art of Hekau, the mastery of the world by using the True Names of everything to bend it to one's will. According to egyptian legend, Ra-Hekau was first revealed when the Sun-God Re gave Isis his True Name so that she could heal him from a deadly poisoning. It allowed Isis to become the Goddess of magic and allowed her to construct the Spell of Life.