Without their Golden Weapons, the Ninja are stripped of their elemental powers but when they start training with Llyod, they discover he has all four of their natural elemental abilities while lord Garmadon focuses on successfully forging the Golden Weapons into a Mega Weapon with unspeakable powers. Garmadon uses the weapon to resurrect the original powers of Destinys Bounty; Captain Soto and his pirates, as well as evil replicas of the ninjas, hoping he will be able to use his new creations to defeat the Ninjas.