The Marines Baleful are a 15th founding Dark Angels successor chapter, one with a dark and shrouded history. Originally known as the Angels of Valiance, a proud and arrogant chapter obsessed with their own superiority. However, after their arrogance nearly became their downfall, the chapter underwent drastic changes to it's structure, livery, and and culture, renaming themselves the Marines Baleful. They have since become a mysterious and potent force against the enemies of the Imperium, striking fear into the hearts of their foes.