Since Lord Garmadon's disappearance from the Underworld, NINJAGO Island has been at peace, but the young ninja have grown lazy. While Garmadon lurks in the shadows, waiting for the right moment to strike, the ninja meet his young son, Lloyd, who carelessly unleashes a fearsome new enemy upon NINJAGO Island - the ancient tribes of the Serpentine. The leader of the Serpentine, Pythor, hatches an evil plan to bring back the legendary, all-consuming snake, the Great Devourer. This book focuses on Kai, his younger sister Nya, Cole, Jay, Zane, Lloyd Garmadon and Sensai Wu as well as 14 year old Avon Agreste, his 10 year old sister Tatum Agreste who are Masters of Reality and Lifeline
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