Primal roaches are primal zerg creatures based off the Zerg Swarm's roach strain. They are one of the many strains whose essences, according to Abathur, were stolen by the primals shortly after the Swarm landed on Zerus.[1][2]
Appearance
Primal roaches are similar in basic appearance to normal roaches, though they have different colors, have a slightly more bulbous carapace, and possess larger claws. They also have more health than normal roaches in the campaign.
History
Primal roaches appear as enemies on Zerus.[3] They later appear as part of Dehaka's pack after Kerrigan's rebirth and also during her attack on Korhal.[4]
Kerrigan, in her Primal Queen of Blades form, can summon sacs containing a group of primal zerg consisting of primal zerglings, primal hydralisks, and primal roaches. These units have a timed life and do not have any of the benefits normal roaches gain from the evolution pit.[5]
Abilities
Roaches regenerate at 5 hit points/second when burrowed.[6]
The rate of healing increases with the Tunneling Claws upgrade to a rate of 10 hit points per second.[6]
The regeneration doesn't stack with the medivac dropship's healing ability.[7]
Many zerg ground units may burrow, becoming invisible and revealed primarily by detectors, and may not move or attack while burrowed.
Exceptions include:
- Roach, which may move while burrowed
- Lurker, which may attack while burrowed
- Infestor, which may move while burrowed
- Baneling, which can detonate while burrowed.
Some units can unburrow via autocast, causing them to emerge and attack when an enemy moves into range.
The ability is not smartcast.
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References
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