To begin the first phase of its plan of conquest, Morg does appear disguised as a human to Grim, Billy and Mandy to inform the latter that the agreement that the three came in the game of limbo that took place long ago would only be valid on Earth, so giving your card to Grim, proposes to leave the Earth to be free. Grim accepts heading towards Mars spacecraft Morg, where he reveals his identity and posing as the death of Emperor Mars, beginning a friendship between the two deaths. Later, Morg encourage Grim decides to join him in his plan to rule the Earth, using as support the fact that Billy and Mandy make fun of him for not dominate anything, thus convincing Grim. That's when Morg and Grim prepare to conquer Earth with his ejécito, goal finally achieved.