Emrys "Luna" Ambrosius, or famously known has Merlin or Chaos, is a Mortal Lord (Ex-Dimensional Lord) and the very first being to exist, and also the Court Wizard, Councilor, and close friend of King Arthur. Emrys is the being that created the Darkness, Death and God before the Omniverse. When he entered Dimension-80 after losing all of his power. He went and conquered the Great Tomb of Nazarick with 40 inhumane entities, and ruled the Great Tomb of Nazarick as the 41 Supreme Knights. Emrys is known as the Overlord of the Great Tomb of Nazarick.