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Sarah Kerrigan is the primary hero unit of the StarCraft II: Heart of the Swarm campaign. She initially appears very human, and is armed with a C-20A rifle.[1] After the first three missions of the campaign are completed, she discards her rifle and instead shoots psionic shockwaves from her hands.[2][3]

In Heart of the Swarm, the campaign operates similarly to an RPG. Kerrigan focuses on increasing her personal power through mutations while the zerg protect her.[4]

Kerrigan leads from the front. She can die and "respawn" endless times in most missions at a hatchery: the exceptions are, obviously, when there is no hatchery available to a player and if the primary hatchery is destroyed. Kerrigan's revival always takes 60 seconds.[5]

Kerrigan is controlled as a hero unit in "The Infinite Cycle" in Legacy of the Void. She is identical to her fully leveled hero unit in Heart of the Swarm, with the abilities Kinetic Blast, Chain Reaction, Spawn Banelings, and Fury. She also appears as an uncontrolled ally hero unit in "Harbinger of Oblivion" and "Into the Void", having the same abilities, plus Apocalypse.

Gaining Levels[]

SarahKerrigan HotS Screen1

Kerrigan at tier 1

In numerous missions, the player will be given optional objectives that will level up Kerrigan. As Kerrigan levels up, her stats increase and she gains access to more abilities. At maximum level, Level 70, Kerrigan has 800 HP, deals 50 damage, has 110 maximum energy, and 3 armor.[6]

After "The Crucible," she becomes the Primal Queen of Blades, resembling her old form. After this transformation, Kerrigan unlocks a third column of abilities for each tier, and her maximum energy decreases to 100, but her energy regeneration rate substantially increases. The transformation also causes her to instantly gain 10 levels.[7]

SarahKerrigan HotS Screen2

Kerrigan at a higher level

Kerrigan's abilities may be altered between missions. Only one ability from each tier may be active at once.[6]

Some light tactical analysis will be given for the abilities of each tier, which may help players in deciding what to use in each tier.

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

Tier 1 (Hotkey: Q)[]

Instantly deals 300 damage to target unit or structure.

Usage
Hotkey Q
Cost 50 Energy
Range 9
Cooldown 10 seconds
Campaign Acquisition
Acquired from Initially unlocked
ve
SC2 KerrHeroicFortitude Icon
Heroic Fortitude

Kerrigan gains +200 HP. HP regeneration rate doubles.

Usage
Passive
Campaign Acquisition
Acquired from Complete Harvest of Screams or Domination.
ve

Kerrigan leaps at target location or enemy. If targeted on an enemy, deals 150 damage to them. Can be used to bypass cliffs and pits.

Passive: Kerrigan's normal attacks do +10 damage and lose 3 range.

Usage
Hotkey Q
Cost 50 Energy
Range 6
Campaign Acquisition
Acquired from Complete The Crucible.
ve
Evaluation

All three of these are useful in different situations. Kinetic Blast is useful for quickly killing or weakening powerful enemy units, Heroic Fortitude greatly increases Kerrigan's durability, and Leaping Strike allows her to deal damage and move to a target location quickly, and can be used to jump up and down cliffs. Beyond the cliff-jumping ability though, Leaping Strike is functionally very similar to Psionic Shift, so the player can choose one or the other based on what is needed - singular damage or area damage.

Tier 2 (Hotkey: W)[]

Stuns enemy units in area of effect and deals 10 damage a second for duration. Does not stun heroic units.

Usage
Hotkey W
Cost 50 Energy
Range 7
Duration 3 seconds
Cooldown 10 seconds
Campaign Acquisition
Acquired from Initially unlocked
ve

Kerrigan's attacks deal normal damage to primary target, then hits up to four adjacent enemy targets, dealing 10 damage to each secondary target.

In Legacy of the Void, Chain Reaction deals 25 damage to each secondary target.

Usage
Passive
Campaign Acquisition
Acquired from Complete Harvest of Screams or Domination.
ve

Kerrigan dashes forward, dealing 50 damage to all enemies in her path.

Passive: Kerrigan's movement speed increases 30%.

Usage
Hotkey W
Cost 50 Energy
Range 6
Campaign Acquisition
Acquired from Complete The Crucible
ve
Evaluation

Crushing Grip is useful when Kerrigan is accompanied by friendly units, and can disable an enemy party for other units to finish off. The other two are more useful when Kerrigan is operating independently. Chain Reaction can be very useful when paired with Infest Broodlings, and Psionic Shift is a good area-of-effect damage skill useful for quickly killing masses of enemies.

Tier 3—Level 10[]

SC2 KerrZerglingReconst Icon
Zergling Reconstitution

Destroyed zerglings respawn at primary hatchery. Can be set to autocast at hatchery.

Primary hatchery tracks how many zerglings have died. When ability is activated, begins 30 second timer and respawns up to 10 killed zerglings at end of timer. Zerglings killed beyond the 10th count toward next usage(s) of ability. If primary hatchery is destroyed, timer continues from another available hatchery.
Zerglings will not respawn if maximum supply has been reached. Zerglings that are morphed into banelings will not respawn.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 10.
ve
SC2 KerrImprovedOverlords Icon
Improved Overlords

Overlords morph instantly and provide 50% more control.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 10.
ve
SC2 KerrAutomatedExtractors Icon
Automated Extractors

Extractors mine vespene gas automatically without drones.

Usage
Passive
Campaign Acquisition
Acquired from Complete Supreme.
ve
Evaluation

Zergling Reconstitution is dependent on player style, namely the proliferation of zerglings in an army.

Automated Extractors are useful for maps where the player is heavily vespene-dependent, as the player can mine geysers without needing a nearby hatchery.

Improved Overlords is useful for maps where the player is reliant on speed, allowing the player to grow their army much more quickly with the ability to rapidly increase supply.

Tier 4—Level 20 (Hotkey: E)[]

Friendly zerg units in target area temporarily gain +200 HP and +100% attack speed. Does not affect heroic units.

Usage
Hotkey E
Cost 50 Energy
Range 9
Duration 10 seconds
Cooldown 25 seconds
Campaign Acquisition
Acquired from Kerrigan reaches Level 20.
ve
SC2 KerrSpawnBanelings Icon
Spawn Banelings

Creates six banelings with timed life at target area. Banelings last 90 seconds and have all mutations and upgrades applicable to normal banelings.

Usage
Hotkey E
Cost 50 Energy
Range 9
Cooldown 30 seconds
Campaign Acquisition
Acquired from Kerrigan reaches Level 20.
ve

Kerrigan instantly heals self for 150 HP and nearby friendly biological units for 50 HP. An additional 50% of the amount initially healed regenerates over 15 seconds.

Usage
Hotkey E
Cost 30 Energy
Range 5
Duration 15 seconds
Cooldown 8 seconds
Campaign Acquisition
Acquired from Complete The Crucible
ve
Evaluation

Wild Mutation has minimal applications on maps where Kerrigan is forced to solo, but can be very powerful on maps where the player has an army. Mutalisks particularly can be stacked so they all received the boost, then make a quick surgical strike before it wears off.

Spawn Banelings is an excellent scouting and harassment ability; from the instant a mission starts spawn them, Attack Move, and keep doing this every chance you get. You'll gain valuable intelligence on enemy positions and they will do damage to enemy encampments no matter how they've been upgraded, making it significantly easier on your forces when you launch a main attack. The spawned banelings also benefit from standard ground troop armor and melee weapon upgrades, the latter of which quite heavily upgrades the damage that this ability can do.

Mend is outperformed by Spawn Banelings (with the Regenerative Acid and Ability Efficiency upgrade); both by being able to grant more healing per use to your forces and still be useful offensively to attack enemy forces. However, Mend is still useful for giving Kerrigan and any surrounding allies an instant and sizeable heal in the midst of combat. Mend also benefits from having a lower energy cost and cooldown.

Tier 5—Level 35[]

SC2 TwinDrones Icon
Twin Drones

Drones hatch two from an egg at no additional resource cost. Drones require less supply.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 35
ve
SC2 KerrMalignantCreep Icon
Malignant Creep

Friendly zerg units and structures gain 30% attack speed and +0.8202 HP regeneration on creep. Creep tumors spread creep twice as fast and 3 units further.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 35
ve
SC2 KerrVespeneEfficiency Icon
Vespene Efficiency

Extractors and automated extractors return 5 vespene gas a trip instead of 4.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 35
ve
Evaluation

Twin Drones is very useful in most missions, rapidly increasing the player's economical strength early.

Malignant Creep is useful if the player is spreading creep rapidly, particularly in missions where creep spread may be needed for some purpose, and on missions where more defensive gameplay is needed.

Vespene Efficiency is best used if the player anticipates a high reliance on vespene for a mission.

Tier 6—Level 50[]

SwarmSeeds SC2 Icon2
Infest Broodlings

Units damaged by Kerrigan spawn two broodlings if killed within 1.6 seconds of being damaged by her. Applies to damage done by both attacks and abilities.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 50
ve

Each time Kerrigan attacks, her attack speed increases by 15%, up to a maximum of 75%. Effect ends when Kerrigan goes 5 seconds without attacking.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 50
ve
SC2 KerrAbilityEfficiency Icon
Ability Efficiency

Kerrigan's energy-based abilities have their cooldown and energy consumption reduced by 20%.

Usage
Passive
Campaign Acquisition
Acquired from Kerrigan reaches Level 50
ve
Evaluation

Infest Broodlings is useful when paired with Apocalypse and Chain Reaction. Apocalypse in particular will likely kill large numbers of enemy units, giving the player an army of broodlings to unleash on any survivors.

Fury is a good choice if Kerrigan is expected to be a mainly solo frontline fighter, almost doubling her damage output.

Ability Efficiency is excellent if Kerrigan is expected to be more of a "mage"-like character supporting an army spamming her abilities.

Tier 7—Level 60 (Hotkey: D)[]

Channel energy and deal 300 damage to enemy units in a radius of 8 from target area. Deals +400 damage to structures.

Usage
Hotkey D
Cost 100 Energy 3 seconds
Range 12
Cooldown 300 seconds
Campaign Acquisition
Acquired from Kerrigan reaches Level 60
ve
SC2 KerrSpawnLeviathan Icon
Spawn Leviathan

Spawns a leviathan with timed life.

Usage
Hotkey D
Cost 100 Energy
Duration 240 seconds
Cooldown 300 seconds
Campaign Acquisition
Acquired from Kerrigan reaches Level 60
ve
SC2 KerrDropPods Icon
Drop Pods

Summon sacs to drop on target area, releasing 40 primal zerglings, 5 primal roaches, and 5 primal hydralisks with timed life.

Usage
Hotkey D
Cost 100 Energy
Range 13
Duration 240 seconds
Cooldown 300 seconds
Campaign Acquisition
Acquired from Kerrigan reaches Level 60
ve
Evaluation

Three ultimate abilities in three different flavors: Nuke, summon one massive hero unit or summon an army. Apocalypse is the ideal choice for crushing enemy bases. Between the other two, the sum total damage output potential of the drop pods army is greater than that of the leviathan, but also note that the drop pod units are much easier to kill to reduce that damage output quickly.

Note that all Tier 7 abilities cost 100 energy and start on a cooldown, meaning a player have to wait 5 minutes to use them (or 4 minutes with Ability Efficiency).

Development[]

See also[]

References[]

  1. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, Back in the Saddle (in English). 2013-03-12.
  2. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, Harvest of Screams (in English). 2013-03-12.
  3. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, Domination (in English). 2013-03-12.
  4. Allen 'Delsyn' Rausch, Dustin Browder. 2008-10-10. StarCraft II: Making the Split (PC) (page 2). Gamespy. Accessed 2008-10-12.
  5. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard) (in English). March 12, 2013.
  6. 6.0 6.1 Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Kerrigan's abilities and status (in English). 2013.
  7. Blizzard Entertainment. StarCraft II: Heart of the Swarm. (Activision Blizzard). PC. Mission: Heart of the Swarm, The Crucible (in English). 2013-03-12.
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