The Necrons are a deathless species of The Necrons are a deathless species of alien androids who dominated the galaxy in ages past. After millions of years in self-imposed slumber, they are rising from their hidden tomb complexes to march in conquest once more. Clad in self-repairing bodies of living metal, armed with weapons that harness the devastating energies of the cosmos, the Necrons are a terrifying enemy. They are without fear or mercy, soulless mechanoids who advance in eerie lockstep to lay down an annihilating storm.