Matthias' wild sparrow friend, Warbeak, attempts to reconnoiter Cluny's camp as he prepares yet another attack on the abbey. She is captured and Matthias has to attempt to rescue her before Cluny feeds her to Asmodeus the snake. Posing as Cluny, Basil helps rescue Warbeak and Matthias sees Asmodeus once more and resolves to find a way to kill him. he stands between Matthias and Martin's sword and battle is inevitable.