The Silver Chair Jill shows off by approaching the edge, and Eustace, trying to pull her back, falls over the edge. Aslan appears and saves Eustace by blowing him to Narnia. He charges Jill with helping Eustace find King Caspian X's son, Prince Rilian of Narnia, who disappeared some years before. He gives Jill four Signs to guide them on their quest and then blows Jill into Narnia, where Eustace is already waiting by a great castle. They watch as an elderly and frail man takes ship and sails from the harbour. To Eustace's dismay, they learn that the departing King is actually
The Black Magician and failing, to protect the city from the Sachakans. Enlisting the help of the Thieves and slum-dwellers, Akkarin and Sonea defeat the Ichani. In their final battle, however, Akkarin is fatally injured by Kariko and dies by giving all his power to Sonea,while fighting with the Ichani. Sonea is left alone bearing his child. Since Sonea is the only magician who has the knowledge of the black magic, she becomes the Black Magician of the Guild. She also sets up a hospice to help the people living in the slums. Canavan notes that inspiration for her writing comes from "books