Dead Citizens and Warriors who received the Curse of the Damned by Dark Order Leader, Hein. Under the leadership of Skeletor, the Undead were able to break free of the Will of Hein and isolated themselves from civilization. During the War of Eden, they were forced to work alongside the other species to fight against the Dark Order. When ransacked by the Dark Order certain species across Eden refused to help the Undead. After the War of Eden, the population of Undead was split into two groups. One’s who believed they should join Eternal Eden alliance pact and those who thought they had no right in the living affairs. Those who wished to join Eternal Eden became known as the Defilers.