TheWorld Eatersare one of theTraitor LegionsofChaos Space Marineswho now inhabit theWarp riftknown as theEye of Terrorin theImperium of Man'sSegmentum Obscurus.
The World Eaters, originally known as theWar Hounds, were also once the XIIthLegion of the twentyFirst FoundingSpace Marine Legions, and one of the first to betray theEmperor of Mankindfor the service ofChaosand theWarmaster Horus.