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The swarm queen is a type of queen found in the StarCraft II: Heart of the Swarm single-player campaign and Co-op Missions.

Game Unit[]

Compared to regular queens, they move more quickly when off the creep (although being on creep still gives them a movement advantage). They do not possess the Spawn Larvae ability[2]. The swarm queen also has the Rapid Transfusion ability instead of Transfusion, which heals a small amount of HP over time, but can be set to autocast.

In combat, swarm queens are somewhat more vulnerable than regular queens since they count as armored units, causing them to take bonus damage from units such as marauders and immortals. Their ground attack deals slight bonus damage against armored units, but they will tend to be ineffective in combat on their own against ground units, and should instead accompany other units such as roaches.

Heart of the Swarm[]

Upgrades and Abilities[]

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.

Usage
Hotkey R
Cost 2 seconds to burrow, 1 second to unburrow seconds
Acquisition
Purchased from Hatchery/Lair/Hive
Hotkey B
Cost 100 Minerals 100 Vespene gas 71seconds
Required Lair (WoL)
Hatchery (HotS/LotV)
ve
CreepTumor SC2 Icon1
Create Creep Tumor

The queen forces a creep tumor out of her bowels.[3]
Alternatively, each creep tumor may create a single additional creep tumor, using the same build time but no energy cost. This changes the tumor's appearance.

Creep tumors can only be created upon the creep, and within a range.

Usage
Hotkey C
Cost 25 Energy 11 seconds seconds
Cooldown 13.57 seconds (can only be used once by a creep tumor) seconds
ve
Transfusion SC2 Icon1
Rapid Transfusion

The swarm queen instantly restores 25 hit points to target biological unit or structure over a short period of time. It may be autocast.

Usage
Hotkey T
Cost 10 Energy
Cooldown 3 seconds
ve

Co-op Missions[]

Swarm queens are mutated by Abathur in Co-op Missions as an alternative to normal queens. Upgrades for swarm queens are unlocked at the evolution chamber when Abathur reaches Level 6.

Upgrades and Abilities[]

SC2ZergBurrow
Burrow

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

Usage
Hotkey R
Cost 2 (burrow)seconds
1 (unburrow) seconds
Campaign Acquisition
Unlock Initially available.
ve
CreepTumor SC2 Icon1
Spawn Creep Tumor

A burrowed creep generator. Creep feeds nearby Zerg structures. A Creep Tumor can spawn additional Creep Tumors. Queens place Creep Tumors only on creep.

Bonus: Zerg move faster on creep.

Usage
Hotkey C
Cost 15 (Creep Tumor morph) seconds
Range 1
Cooldown 3 seconds
Notes

A Creep Tumor can create another Creep Tumor within a range of 9

ve
Transfusion SC2 Icon1
Rapid Transfusion

The Swarm Queen heals a friendly biological unit or building for 25 health over 3 seconds. Can be set to autocast.

Usage
Hotkey T
Cost 10 Energy
Range 4
Duration 3 seconds
Cooldown 3 seconds
ve
SC2 Abathur AC - Biomass
Biomass Gatherer

Swarm queens gain +3% hit points, +1% attack speed, +5% energy regeneration and +1% Biotic Leech per stack of Biomass. Can stack up to 100 Biomass.
Passive: Heal 1% hit points per Biomass.

Essence Hoarder: Swarm queens can collect an additional 25 Biomass (summary 125).

The Limitless: Swarm queens can collect an additional 100 Biomass (summary 200), but gain +1.5% hit points, +0.5% attack speed, +2.5% energy regeneration and +0.5% Biotic Leech per stack.

Usage
Range 4
Notes

The amount of collected biomass changes based on difficulty and the amount of supply used by the killed enemy unit:
Collect 5 biomass per supply (Casual and Normal)
Collect 4 biomass per supply (Hard)
Collect 2.5 biomass per supply (Brutal)

Campaign Acquisition
Unlock Basic: Initially available.
Biotic Leech: Reach Abathur level 15.
Acquisition
Basic
Effect Hit Points: +4.5 per Biomass. Up to a maximum 600
Attack Speed: +1% per Biomass. Up to a maximum 0.5
Energy Regen/Second: +0.028125 per Biomass. Up to a maximum 3.375
Biotic Leech: +1% per Biomass. Up to a maximum 100%
With Essence Hoarder
Effect Hit Points: +4.5 per Biomass. Up to a maximum 712.5
Attack Speed: +1% per Biomass. Up to a maximum 0.44
Energy Regen/Second: +0.028125 per Biomass. Up to a maximum 4.078125
Biotic Leech: +1% per Biomass. Up to a maximum 125%
With The Limitless
Effect Hit Points: +2.25 per Biomass. Up to a maximum 600
Attack Speed: +0.5% per Biomass. Up to a maximum 0.5
Energy Regen/Second: +0.0140625 per Biomass. Up to a maximum 3.375
Biotic Leech: +0.5% per Biomass. Up to a maximum 100%
ve
Icon Zerg Brutalisk
Evolve to Brutalisk

The Swarm queen evolves into a Brutalisk. Can be set to autocast.

Essence Hoarder: Evolve to Brutalisk is unavailable.

The Limitless: Evolve to Brutalisk is no longer limited to 3, but requires 200 stacks of Biomass.

Campaign Acquisition
Unlock Reach Abathur Level 2.
Acquisition
Basic
Cost 5seconds
Required Collect 100 Biomass
Cannot have more than 3 at the same time.
With The Limitless
Cost 5seconds
Required Collect 200 Biomass
ve
SC2 Abathur AC - BiomassRecovery
Biomass Recovery

When killed, your units have a 50% chance to drop all their Biomass.

Essence Hoarder: Increases the Biomass Recovery chance from 50% to 100%.

Campaign Acquisition
Unlock Reach Abathur level 7.
ve
BioMechTransfuse SC2 Icon1
Bio-Mechanical Transfusion

Increases the HP healed by swarm queens Rapid Transfusion by 10. Swarm queens can use Rapid Transfusion on mechanical units.

Campaign Acquisition
Unlock Reach Abathur Level 6
Acquisition
Purchased from Evolution chamber
Hotkey T
Cost 100 Minerals 100 Vespene gas 60seconds
Mastery: -1.2seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 24seconds
ve
IncubationChamber SC2 Icon1
Incubation Chamber

Allows hatcheries, lairs, and hives to mutate two swarm queens at once.

Campaign Acquisition
Unlock Reach Abathur Level 6
Acquisition
Purchased from Evolution chamber
Hotkey I
Cost 100 Minerals 100 Vespene gas 60seconds
Mastery: -1.2seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 24seconds
Required Lair/Hive
ve
SC2 ZergMissileWeap
Zerg Missile Attacks

Increases the attack damage of zerg ground ranged units.

(Also affects Broodlings)

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Evolution chamber
Hotkey M
Level 1
Cost 100 Minerals 100 Vespene gas 160seconds
Mastery: -3.2seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 64seconds
Effect Damage vs Ground: 5 (+2 vs Armored)
Damage vs Air: 10
Level 2
Cost 150 Minerals 150 Vespene gas 190seconds
Mastery: -3.8seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 76seconds
Required Lair/Hive
Effect Damage vs Ground: 6 (+2 vs Armored)
Damage vs Air: 11
Level 3
Cost 200 Minerals 200 Vespene gas 220seconds
Mastery: -4.4seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 88seconds
Required Hive
Effect Damage vs Ground: 7 (+2 vs Armored)
Damage vs Air: 12
ve
SC2 ZergGrndCara
Zerg Ground 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 100 Vespene gas 160seconds
Mastery: -3.2seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 64seconds
Effect Armor: 2
Level 2
Cost 175 Minerals 175 Vespene gas 190seconds
Mastery: -3.8seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 76seconds
Required Lair/Hive
Effect Armor: 3
Level 3
Cost 250 Minerals 250 Vespene gas 220seconds
Mastery: -4.4seconds per Structure Morph and Evolution Rate mastery point. Down to a maximum 88seconds
Required Hive
Effect Armor: 4
ve

References[]

  1. Blizzard News. 2018-08-07. StarCraft II 4.5.0 Patch Notes. Accessed 2021-09-08.
  2. 2.0 2.1 2.2 Shindigs and GHOSTCLAW. 2013-01-22. Heart of the Swarm Preview - (22.01.13). Teamliquid. Accessed 2013-01-23.
  3. Karune. 2009-02-18. StarCraft II Q&A - Batch 49. Battle.net StarCraft II General Discussion Forum. Accessed 2009-02-18.
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