Go on a daring quest to rescue the dragon Heatwave from the evil Lord Ras and his Hunter from the Claw of the Empire. Join forces with Kai and Wyldfyre, turn Heatwave into battle mode and fight back by firing your purple dragon power element at the dragon slayers. Watch out as Lord Ras wields the golden hammer and soars into the sky in his hovercraft! Can you save Heatwave and protect the new NINJAGO world?