Lokhust Heavy Destroyers skim to battle upon repulsor-sled bodies, their upper limbs bound into gauss destructors or enmitic exterminators with which they decimate their foes with devastating blasts from afar.
Crypteks are members of pan-galactic conclaves of technologies whose purpose is to study and maintain the eldritch devices of their race.
Commanding legion upon legion of deathless soldiers whose only purpose is to obey his every order, the Necron Overlord is a cold, calculating demigod.