The Lamenters are an unfortunate Loyalist Chapter of Space Marines who, perhaps more than any other Chapter of the present era, seem to have been cursed by a dark shadow that has long determined their fate. The Lamenters' accursed and haunted legacy seems to have tainted much of what they have achieved and their victories often become bitter ashes in their hands. They found themselves on the wrong side during the Badab War and were thereafter devastated by the Tyranids. The Lamenters are a Successor Chapter of the Blood Angels created during the 21st "Cursed" Founding, and seem to have eliminated the gene-seed flaws known as the Black Rage and the Red Thirst through unknown means, but this secret cure may have been lost along with the Chapter.