King Naga was from a line of royal peaceful naga that lived inside mata nui. When Naga wanted to explore the world he slithered out of his cave and saw what a beautiful place mata nui was. But it wasn't soon after that makuta found him and corrupted him. Now he seeks revenge of Makuta but fights against the Toas and Matoran. Naga lives with his queen Scalina and they have made many little monsters to conquer the world.