The "Hammer of the Emperor." A massive force of ordinary humans using tanks, artillery, and sheer numbers to hold the line.

To start your journey as a loyalist commander, follow these steps: 1. Choose Your Playstyle Emperor of Mankind - Warhammer 40k - Lexicanum

If you are looking to build an army or learn the lore, these are the primary "Warriors" that defend Holy Terra:

The "Angels of Death." Genetically enhanced warriors organized into Chapters like the Ultramarines and Blood Angels.

The Emperor's personal bodyguards. They are elite, gold-armored superhumans who are even more powerful than Space Marines.