The Primal zerg are a subspecies of the zerg from the Zerus. Unlike the Swarm zerg, they retain their physical and psychological traits of the original zerg who avoided incorporation into the Swarm counterpart.
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The Primal zerg are a subspecies of the zerg from the Zerus. Unlike the Swarm zerg, they retain their physical and psychological traits of the original zerg who avoided incorporation into the Swarm counterpart.