StarCraft® II

In the years following the Brood War, Kerrigan became obsessed with the genetic codes of species with hyper-regenerative properties. The most impressive example was the unassuming acidic Zantar Slug living in the humid, mountainous depths of Garrxax. This tiny slug was capable of healing itself at rapid rates, and it also excreted mucus that could eat through neosteel. Consequently it was quickly assimilated into the Swarm. Thus the Roach was evolved, a creature that can heal itself rapidly and deliver deadly ranged acid blasts. In a one-on-one battle, not much can stand against this regenerating monstrosity.
Heart of the Swarm Wings of Liberty
Unit Statistics

3D Model

Basic information

Race: Zerg
Life: 145
Armor: 1 (4)
Movement: Normal
Cargo Size: 2
Attributes: Armored - Biological

Production

Producer: Larva
Hotkey: R
Requires: Roach Warren
Cost: 75 25
Supply: 2
Build time: 27

Combat

Upgrades:
Weapon:
Ability:

3D Model

Basic information

Race: Zerg
Life: 145
Armor: 1 (4)
Movement: Normal
Cargo Size: 2
Attributes: Armored - Biological

Production

Producer: Larva
Hotkey: R
Requires: Roach Warren
Cost: 75 25
Supply: 2
Build time: 27

Combat

Upgrades:
Weapon:
Ability:

SPECIMEN ANALYSIS

Zantar Slugs have always been a resilient breed, capable of healing maimed or damaged tissue by absorbing nutrients from the soil. Once these creatures were incorporated into the Swarm—and their metabolism accelerated tenfold—the aptly named Roaches gained the ability to quickly regenerate even the most grievous wounds while burrowed.
The absorption of soil compounds, especially rare earths and metals, has allowed Roaches to develop extremely thick carapaces. These creatures are nearly impervious to small-arms fire, and nigh immune to flame-based weapons. Explosives and artillery support are a must when these monstrosities are on the field.
If pressed into close-quarters combat, Roaches use the scythe-like blades on their backs to dispatch the enemy. The hardness of these appendages allows them to slice through armor and neosteel plating with ease.
The highly-specialized striated ducts present in these glands produce an enzyme that weaponizes the creatures’ already corrosive saliva. The resulting mixture is then expelled with considerable force through the contraction of the surrounding muscles, punching through armor and violently dissolving flesh on multiple entry points.
Some theories indicate that this aberration is not immune to the ravages of its acidic bodily fluids. The Roach’s potent regeneration capabilities ensure tissue integrity in spite of constant corrosion.
0.76 0.6 0.51 0.43 0.11 0.52 0.49 0.87 0.86 0.73

General Strategy

  • Short-ranged anti-ground unit.
  • Can burrow with the Burrow upgrade, and move while burrowed with the Tunneling Claws upgrade.
  • Difficult to kill due to regeneration ability.
  • Regenerates hitpoints faster while burrowed.
  • Can upgrade their above-ground movement speed with the Glial Reconstitution upgrade.
  • Effective at skirmishing and blocking chokepoints due to regeneration.

Evolutions

  • Burrow: Allows the unit to take cover underground, rendering it unable to attack. A burrowed unit is invisible unless revealed by detectors or effects.
  • Glial Reconstitution: Increases Roach speed.
  • Tunneling Claws: The Roach can move while burrowed.

Countermeasures

Terran VS
  • Employ high-damage units such as Siege Tanks and Banshees. Their damage output will allow them to take the Roaches down quickly.
  • Use Ravens to help spot burrowed Roaches and prevent them from sneaking up on Siege Tanks in Siege Mode.
  • Utilize Marauders since they deal bonus damage against the Roach’s armor and also significantly outrange them. It’s possible to kite the Roaches using the Concussive Shells upgrade which slows down targets hit by the Marauder.
Zerg VS
  • Include an Overseer in your attack squadrons to help spot burrowed Roaches.
  • Utilize Mutalisks to attack Roaches from the air, where they won’t be able to fire back.
  • In open areas, upgraded Zerglings beat Roaches.
Protoss VS
  • Immortals take extremely minimal damage from Roach attacks, and kill them fairly quickly.
  • High-damage air units such as Void Rays also do well against Roaches.
  • Observers help spot burrowed Roaches and allow your army to kill them before they can regenerate their hit points.

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