The Royal Scorpions are a Loyalist Space Marine Chapter whose Founding is unknown and is descended from the noble lineage of the angelic Primarch Sanguinius. The Royal Scorpions are a Chapter tasked with defending the Kuravan Sector which is a prime target for renegades and mutants. Although their Founding is unknown they have proven themselves time and time again, almost sacrificing the Chapter to stop a chaos invasion of their homeworld.