Morro is the leader of the ghost army. Once, he was Sensei Wu's first pupil, a master of wind training to become the Green Ninja. But a darkness lived within Morro and the Golden Weapons of Spinjitzu rejected him. Unwilling to give up on his quest for power, Morro journeyed to the Tomb of the First Spinjitzu Master and was never seen again. What no one knew is that his actions had caused him to be banished to the Cursed Realm. Now he has escaped and is out to conquer Ninjago.