If you are looking to build an army or learn the lore, these are the primary "Warriors" that defend Holy Terra:
The "Hammer of the Emperor." A massive force of ordinary humans using tanks, artillery, and sheer numbers to hold the line. Warhammer 40k - Warriors of the God Emperor
The Emperor's personal bodyguards. They are elite, gold-armored superhumans who are even more powerful than Space Marines. If you are looking to build an army
The "Angels of Death." Genetically enhanced warriors organized into Chapters like the Ultramarines and Blood Angels. Warhammer 40k - Warriors of the God Emperor
