A Loyalist Space Marines Chapter of unknown origin created during the 21st Founding (the so-called "Cursed Founding"), the Sons of Antaeus have long led a mysterious existence. It is unknown what exactly went wrong, if anything, during the creation of these mysterious Space Marines and what mutant flaws they may possess within their gene-seed. Like Antaeus, the Astartes of the Sons of Antaeus Chapter are unusually large and robust physical specimens, even among their kind, and they are capable of surviving wounds and physical injuries that would kill even other Space Marines. The obvious links between the Chapter's name and Herculean mythology could hint at a link between the Sons of Antaeus and the Ultramarines Chapter, but there is no official evidence to back this assumption. The Sons o