COMIC BOOK BIO:Edit
In the beginning DreamSlayer was believed to be a robotic replicant of a living entity. While being part of the Extremtists he killed more the half of the population of his alternate Earth, Angor. Dreamslayer along with Silver Sorceress, Blue Jay and Mitch Wacky head for Earth. Mitch Wacky was a inventor who was the one that created the robot replicants of his teammates. DreamSlayer kidnapped Maxwell Lord and brought him to the Island of Kooey Kooey Kooey where the inhabitants where mentally controlled by Dreamslayer. Dreamslayer forced Wacky (while in bad health) to work on the robotic extremists. Wacky only managed to fix the Lord Havok robot because he didn't have enough supplies for the others. Dreamslayer realizing now that he didn't need Wacky since Lord Havok was functional, so he broke Wacky's neck. Silver Sorcerecess alongside her Justice League teammates attack Dreamslayer but he mentally controlled the people of the island to attack for him. Silver Sorceress did not want to hurt them so she held back but she died when an arrow hit her in her stomach. But before the Silver Sorceress died she had neutralized DreamSlayer.
During his team's battle with the Justice League, Dreamslayer managed to subdue both Batman and Vixen, but was trapped in a bubble by John Stewart. He used his pyrokinetic abilities to try and overcome the bubble, but all it did was consume the oxygen inside and render him unconscious.