is the ninth episode of the fourth season (Episode 43 overall) of LEGO Ninjago: Masters of Spinjitzu . It serves as the penultimate chapter of the "Tournament of Elements" arc, setting the stage for the massive season finale. Plot Overview
: Chen uses a fleet of trucks as a diversion to lure the Elemental Masters away from Ninjago City, leaving it defenseless. [S4E9] The Greatest Fear of All
: Driven by his desire for ultimate power, he mocks the Ninja's efforts as his army begins its invasion. is the ninth episode of the fourth season
: Though small, he remains a pivotal player as the only source of the ingredient Chen needs to make his power permanent. : Driven by his desire for ultimate power,
: The Ninja, along with Master Wu and Garmadon, travel to Kryptarium Prison to seek information from Pythor. A battle ensues as the Ninja face off against various inmates and old villains.