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
The Silver Chair life. The cast of characters introduced by later editors seems to promote this, but it is not supported by Lewis's text. The Lady of the Green Kirtle is a were-snake, and it is never implied in any of the books that Jadis "or" the White Witch possess this attribute.(See the Lady of the Green Kirtle for more discussion.) The manner of Rilian's confinement to a chair recalls the imprisonment of Theseus and Pirithous in the Underworld when discovered there by Heracles on his twelfth and final labour, the abduction of Cerberus. The BBC produced a TV series, which aired in