Prince Caspian (character) on Ramandu's Island. Prince Caspian (character) Prince Caspian (also known as Caspian X, King of Narnia, Lord of Cair Paravel and Emperor of The Lone Islands, Caspian the Seafarer, and Caspian the Navigator) is a fictional character in "The Chronicles of Narnia" by C. S. Lewis. He is featured in three books in the series: "Prince Caspian", "The Voyage of the Dawn Treader", and "The Silver Chair". He also appears at the end of "The Last Battle". Caspian is described as noble, handsome, brave and merry; he strives for fairness and justice at all times and is a devoted King.
The Silver Chair earthmen, who take them aboard a boat across the subterranean Sunless Sea to the city ruled by the Lady of the Green Kirtle. She herself is away, but her protégé, a young man, greets the travellers pleasantly. He explains that he suffers from nightly psychotic episodes, and during these episodes he must, by the Lady's orders, be bound to a silver chair; for if he is released, he will turn into a deadly green serpent and kill everyone in sight. The three travellers determine to witness the youth in his torment, as they sense it could be the key to