Space Marine 2, which is set in Warhammer 40,000’s current and ongoing Indomitus Era, features Primaris (bigger, stronger, better) marines and thus focuses on the latest armor sets in the tabletop.
“This dormant organ connects to both hearts. In times of extreme stress or trauma, it expels self-manufactured chemicals ...
Games Workshop could've never predicted the chaos that the addition of Primaries Marines would bring to Warhammer 40k.
throwing hordes of Majoris and Extremis-class forces your way with limited ammo reserves and a restrictive armor mechanic.