Lego Ninjago: Masters of Spinjitzu Episode 13 - Day of the Great Devourer Episode Title:Day of the Great Devourer.Episode Description:Disaster threatens as the Ninja must fight to defeat the all consuming Great Devourer in a desperate attempt to save Ninjago. In the end, only Lord Garmadon, using the Four Golden Weapons with the elements of fire, ice, lightning, and earth, can destroy the Great Devourer. He manages to kill the snake and Wu is shown to have survived, but Lord Garmadon vanishes with the Weapons and Lloyd must accept the fact that he must face him one day.