The First Spinjitzu Master was a powerful being who was the creator of Spinjitzu, the island of Ninjago, the realm of Imperium, and three other realms. He served as an intermediary between the Source Dragons and the mortals, was the father of Garmadon and Wu, Misako's ex-father-in-law, and Lloyd's paternal grandfather. He was born from the worlds of both the Oni and the dragons. Unwilling to choose a side within the war, abandoning his original realm and creating some of his own. After defeating a dark entity of pure evil, the Overlord, and splitting the land into two halves (Ninjago and the Dark Island), he fathered two sons, Wu and Garmadon, and entrusted them with defending the Golden Weapons. Shortly before his demise, he sealed himself into a tomb deep in the Endless Sea, where the Realm Crystal was also stored away. After the Oni were vanquished by the efforts of the ninja and his sons, the First Spinjitzu Master summoned Lloyd to the Grasslands in order to thank him for saving Ninjago.