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The demonic doomguard of the Burning Legion belong to the ered'ruin species. They serve as shock troops and enforcers. Powerful and deliberate, these winged aberrations are known across the cosmos for their brutality. The doomguard are utterly devoted to their pit lord masters and revel in the destruction of worlds.
As doomlords are part of the doomguard's species (having just a more elite appearance of a doomguard), they are ered'ruin as well.
The fearsome doomguard served as Archimonde's personal escorts. Although they are often called upon to perform a number of duties for the Legion, their loyalty lied with him alone. Though ered'ruin had still served the Burning Legion during the War in Outland, Kanrethad Ebonlocke said the ered'ruin hadn't had a master since Archimonde's death. He intended to become their new master.