Get ready for an epic battle as Jay in his most powerful-ever mech and his fellow ninja warrior Nya take on 3 dangerous green bone warriors. Look out! Bone King, Bone Knight and Bone Hunter are ready to take them both down with a fast-firing double crossbow loaded with 4 darts and mounted on a wagon. Fight back with the mech’s large dragon blade, 2 katanas and 2 shooters. You must save NINJAGO® City from attack!