Millions of years ago, the world of Ryut found in Space Sector 0666 was home to Atrocitus and his demon-like species. However, at some point approximately 3 billion years ago, the android creations of the Guardians of the Universe known as the Manhunters suffered from some form of glitch in their programming and embarked on a campaign of extermination of the inhabitants within that region of space. This led to the infamous Massacre of Sector 666 leaving only a few survivors of the disaster. After the events of the Sinestro Corps War, the corpse of the Anti-Monitor was thrown into space and crashed onto the surface of Ryut. Weakened, the mighty being was transformed into the Black Lantern Central Power Battery by the will of Nekron in order to serve in the coming prophecy known as the The B