Warhammer 40000: Space Marine 95%

: The foundation of their transformation is gene-seed , genetic material derived from the Primarchs —the 20 "sons" of the Emperor.

The Space Marines, or , are elite, genetically modified super-soldiers engineered by the Emperor of Mankind . Standing roughly seven to eight feet tall, they are encased in Power Armor and possess superhuman strength, speed, and resilience. Warhammer 40000: Space Marine

: Space Marines are sterile and psychologically conditioned for eternal war, often lacking human emotions beyond a sense of duty and martial pride. : The foundation of their transformation is gene-seed

: A recruit (aspirant) undergoes a grueling transformation involving the implantation of 19 or more specialized organs, such as a second heart and a third lung. Warhammer 40000: Space Marine