I began the spell, speaking the Divine Words, and my body rose into the air, hovering a few centimeters above the pyramid. I chanted the story of creation: the first mountain rising above the waters of chaos, the birth of the gods Ra, Geb, and Nut, the rise of Ma'at, and the first great empire of men, Egypt. (40.28)
The spell to defeat Set brings together a lot of the religious and magical ideas of ancient Egypt: it shows how important the creation myth and the gods are to the working of magic, and it shows how words and language are integral to both magic and religion. Too bad Sadie mucks up the spell.