An army of ghosts has escaped the Cursed Realm and attacked Ninjago! Their leader, Morro, is determined to become the most powerful ninja ever to walk Ninjago. He'll do whatever it takes to eliminate anyone who stands in his way.
How can the ninja fight an enemy they can't touch? They'll need to figure it out fast if they want to stand a ghost of a chance against their otherworldly opponents! Go, ninja, go!
*** Includes a KAI minifigure with sword! ***