The Last Battle is the seventh and final novel in the Chronicles of Narnia series by C.S. Lewis. The plot involves the characters endeavoring to defend Narnia from an invasion led by a deceptive ape named Shift and his unwitting pawn Puzzle, a donkey. The book weaves a narrative of the apocalyptic end of the fictional world of Narnia and serves as an allegory of the Christian belief of the Last Judgment.