- Heavy Infantry comprised of newly promoted aspirants. Superior aiming accuracy Unit.
- Heavy weapon support unit, very strong at ranged combat but with less experience than other marine units.
- Their Bolters fire Quake Bolts that shock enemy Infantry, causing increased morale damage.
- Enjoys a broad range of weapon upgrades, thus is weak in melee owing to encumbrance.
- Effective against Infantry and Morale; can be upgraded to be strong against most unit types.
- Geneseed Imperfection: Due to Red Thirst genetic flaw, becomes temporarily berserk with bloodlust in melee.