The Anti-Monitor is a supremely powerful being who devoured the entire Antimatter Universe. Eons ago on planet Maltus, the Anti-Monitor was created by the power obsessed renegade Guardian, Krona. However the Anti-Monitor conceived its superiority and broke free of his creator's control. He began insatiable conquest to quench his hunger. Though unknown means, Krona was able to banish the Anti-Monitor into another universe where he would roam freely, absorbing matter for years to come. During his conquest in the Antimatter Universe, nearly devouring the entire universe. Duke Nigel made a deal with the Anti-Monitor to spare his planet in trade to make a device that could transport the Anti-Monitor to another universe. After the Duke finished the device, the Anti-Monitor arrived at this planet