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"Vile strain: Acid saliva coats enemy. Slows movement, slows attacks."

The vile is a variant strain of the roach that appears in Heart of the Swarm. It is the alternate to the corpser roach.

OverviewEdit

During Kerrigan's resurgence, Abathur discovered the vile strain by forcing roaches on the world of Mehlus IV to drink microbe-infested water on the planet's surface. The roaches that survived the toxic ingestion adapted to produce acidic saliva which were altered by the byproducts of the microbes. When the vile attacks a target, their acidic saliva will act as a constrictive agent. As newer layers are added with each attack, the old layers harden and tighten thus debilitating the target.[1]

Viles appear as enemies in the Legacy of the Void prologue campaign mission "Dark Whispers."[2] They appear as allies in the main campaign mission "Harbinger of Oblivion," and again as allies in the epilogue campaign mission "Into the Void."[3][4]

In Co-op Missions, Abathur is able to produce vile roaches.

Game UnitEdit

Its attacks slow normal enemy units' movement speed and attack speed by 75%. Heroic units instead suffer a penalty of 20% to both movement speed and attack speed.

The slowing attacks of the vile roach make it very effective against larger enemy units such as the colossus, thors, siege tanks and archons by making their already slow attacks even slower. With proper micro, vile roaches can also kite zealots easily. However, the slowing effect is somewhat wasted on masses of smaller units, such as marines.

When compared with the corpser, the vile is more effective against larger, heavier hitting units such as colossi and thors, while the corpser is more effective against smaller closely grouped enemies.

Co-op MissionsEdit

Abathur's roaches automatically upgrade to the vile strain when he reaches Level 14.

SC2ZergBurrow
Burrow

Buries the unit undeground. Burrowed unit are unable to move or attack, but they cannot be seen without detection.

Usage
Hotkey R
Cost 2 seconds to burrow, 1 second to unburrowTime SC2 Game1
Notes

This ability is available initially.

Campaign Acquisition
Unlock Initially available.
ve
RapidRegeneration
Roach Regeneration

The vile roach regenerates life very quickly while burrowed.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
ve
Icon Zerg Ravager
Ravager Morph

The vile roach can morph into a ravager, the large creature with a use Corrosive Bile ability.

Campaign Acquisition
Unlock Initially available
Acquisition
Hotkey T
Cost 13 Minerals Terran SC1 38 ZergVespene SC2 Game1 5Time SC2 Game1
ve
GlialReconstitution SC2 Icon1
Glial Reconstitution

Increases the movement speed of roaches.

Campaign Acquisition
Unlock Initially available
Acquisition
Purchased from Roach warren
Hotkey G
Cost 150 Minerals Terran SC1 150 ZergVespene SC2 Game1 110Time SC2 Game1
ve
TunnelingClaws SC2 Game1
Tunneling Claws

Allows roaches to move while burrowed. Increases HP regen rate of burrowed roaches.

Campaign Acquisition
Unlock Initially available
Acquisition
Purchased from Roach warren
Hotkey T
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 110Time SC2 Game1
Required Lair
ve
SC2 AdaptivePlating Icon
Adaptive Plating

Roaches gain +6 armor when below 50% health.

Campaign Acquisition
Unlock Reach Abathur Level 4
Acquisition
Purchased from Roach warren
Hotkey D
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 110Time SC2 Game1
Required Hive
ve
HydriodicBile LotV Game1
Hydriodic Bile

Roaches gain +8 damage vs light units.

Campaign Acquisition
Unlock Initially available
Acquisition
Purchased from Roach warren
Hotkey G
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 110Time SC2 Game1
ve
SC2 ZergMissileWeap
Zerg Missile Attacks

Increases the attack damage of zerg ground ranged units.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Evolution chamber
Hotkey M
Level 1
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 160Time SC2 Game1
Level 2
Cost 150 Minerals Terran SC1 150 ZergVespene SC2 Game1 190Time SC2 Game1
Required Lair
Level 3
Cost 200 Minerals Terran SC1 200 ZergVespene SC2 Game1 220Time SC2 Game1
Required Hive
ve
SC2 ZergGrndCara
Zerg Carapace

Increases the armor of zerg ground units.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Evolution chamber
Hotkey M
Level 1
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 160Time SC2 Game1
Level 2
Cost 175 Minerals Terran SC1 175 ZergVespene SC2 Game1 190Time SC2 Game1
Required Lair
Level 3
Cost 250 Minerals Terran SC1 250 ZergVespene SC2 Game1 220Time SC2 Game1
Required Hive
ve

NotesEdit

In early builds of Heart of the Swarm, vile roaches were replaced with prowlers, which were able to move while burrowing. This was added as a regular mutation option to roaches.[5]

ReferencesEdit

  1. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, Roach Evolution (in English). 2013-03-12.
  2. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Mission: Whispers of Oblivion, Dark Whispers (in English). 2015-07-15.
  3. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Mission: Legacy of the Void, Harbinger of Oblivion (in English). 2015-11-10.
  4. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Mission: Into the Void, Into the Void (in English). 2015-11-10.
  5. Blizzard Entertainment. StarCraft II: Heart of the Swarm Map Editor. (Activision Blizzard) (in English). March 12, 2013