Tirian, was the last King of Narnia. In those last days, Shift the Ape created a false "Aslan" to deceive the Narnians. Tirian was captured by the Calormenes, who conspired with the Ape against Narnia.
"Children! Children! Friends of Narnia! Quick. Come to me. Across the worlds I call you; I, Tirian, King of Narnia, Lord of Cair Paravel, and Emperor of the Lone Islands!"
And immediately he was plunged into a dream (if it was a dream) more vivid than any he had had in his life.
- The Last Battle