The Silver Chair their quest. When the young man is tied to his chair, his "ravings" seem instead to indicate desperation to escape an enchanted captivity. After several threats, the youth finally begs the three to release him in the name of Aslan. Recognizing this as the fourth Sign, they hesitantly do so. The young man immediately destroys the silver chair. Free from enchantment, he thanks them and declares that he is the vanished Prince Rilian, kept underground by the Lady of the Green Kirtle as part of her plot to conquer Narnia. The Green Lady returns and tries to bewitch them all
Magician (fantasy) Sorcerers in "Conan the Barbarian" often gained powers from such books, which are demarcated by their strange bindings. In worlds where magic is not an innate trait, the scarcity of these strange books may be a facet of the story; in Poul Anderson's "A Midsummer Tempest", Prince Rupert seeks out the books of the magician Prospero to learn magic. The same occurs in the "Dungeons and Dragons"-based novel series "Dragonlance Chronicles", wherein Raistlin Majere seeks out the books of the sorcerer Fistandantilus. Some magicians, even after training, continue their education by learning more spells, inventing new ones (and new magical