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"I’m not sure if there’s anything more creepy in the galaxy folks, these guys are just plain weird."
Overseer SC2 Game1

The overseer

The overseer is a zerg unit evolved from the overlord.

OverviewEdit

Overseer SC2 Art1

An overseer

Overseers are genetically-altered overlords that have a mass of additional sockets filled with highly evolved optical receptors with hypersensitive retinas.[1] Unlike most other zerg breeds but like overlords, overseers have the ability to act with appropriate judgment, but are severely limited in their mental flexibility.[2]

Primal zerg packs have adapted overseers into their genome, but they are among the rarest breed of the primal zerg.[3]

ObservationEdit

"Evolved from the overlord, the overseer focuses its eyes toward scouting and revealing the presence of hidden enemies, wherever they may lurk."

- Unit description(src)

Overseer SC-FM Art1

An overseer

The zerg are obsessed with detecting subtler motions and more advanced camouflage techniques. The overseer's "eyes" have been through many iterations, each developmental cycle improving upon the preceding one's optical evolution.[1] That said, the first batch of overseers ended up crippled and blind when the arrays of microscopic filaments (relayers of sensory and spatial data) located on their vestigial legs gained sentience and became ravenous to the point of consuming the appendages that housed them. To correct this situation, the legs were excised and the filaments were transformed into long, fleshy tendrils grown from the overseer's carapace. Now, when the overlord is subjected to the overseer strain mutation, its eyes melt into a luminescent substance that floats inside a semi-transparent skull. Sensory tentacles and twin photoreceptors, capable of sight in any environment, sprout from said substance, in between the openings of their thick, armored "faceplate". To further enhance the creature's capabilities, the main body expands and grows six new hypersensitive optical receptors in strategic positions.[4] This latest evolution allows the overseer to detect any hidden enemy units, including those that are burrowed underground or cloaked.[1] Overseers are capable of hearing, processing and understanding terran speech.[5]

The fins and tendrils of the Leviathan Brood overseers are bred to specialize in reconnaissance, allowing them to cut through both air and water with minimal effort.

Overseers enslaved by the Cerberus Program were enhanced with void sensor technology designed by Dr. Rudolfo Subsourian, which allowed them to triangulate the exact position of a cloaking effect within 20 kilometers.[6]

Other FunctionsEdit

By incorporating terran DNA into the overseer's genetic makeup (particularly during its later stages of pupation), the creature displays a peculiar evolution pattern. Its creep glands expand and turn into stores of sentient, unfertilized bio-matter, and its organs no longer liquefy into creep, but instead a nourishing paste. At the overseer's will, this paste bonds with the bio-matter in the sacs and quickly becomes an insidious infiltrator known as the changeling. Additionally, the bio-matter grows and solidifies at exponential rates when exposed to foreign atmospheres. The Swarm has capitalized on this trait, using its overseers to disable critical facilities in the midst of an invasion.[4]

Game UnitEdit

The overseer loses the ability to excrete creep or transport units, but gains the ability to create changelings. It continues to provide control and has faster movement.

VersusEdit

Upgrades and AbilitiesEdit

Increases armor of zerg air units.

Acquisition
Purchased from
Level 1
Cost 150 Minerals Terran SC1 150 ZergVespene SC2 Game1 160Time SC2 Game1
Effect +1 armor
Level 2
Cost 225 Minerals Terran SC1 225 ZergVespene SC2 Game1 190Time SC2 Game1
Required Lair
Effect +1 armor
Level 3
Cost 300 Minerals Terran SC1 300 ZergVespene SC2 Game1 220Time SC2 Game1
Required Hive
Effect +1 armor
ve
PneumutizedCarapace SC2 Game1
Pneumatized Carapace

Increase speed of the overlord from 0.82 to 2.63 and the overseer 2.62 to 4.72.

Acquisition
Purchased from Hatchery (with at least 1 other lair or hive)/Lair/Hive
Hotkey P
Cost 75 Minerals Terran SC1 75 Gas Terran SC1 43Time SC2 Game1
Required Lair
ve

This unit or structure can detect cloaked, burrowed, duplicated and hallucination enemies.

ve
Contaminate SC2 Icon1
Contaminate

The overseer disables a building, which becomes covered in slime. It cannot produce units, larva or research upgrades while contaminated.

Usage
Hotkey E
Cost 125 Energy Terran SC1
Duration 30Time SC2 Game1
ve

The overseer can create a changeling, which can spy on enemy forces.

Usage
Hotkey C
Cost 50 Energy Terran SC1 Almost immediateTime SC2 Game1
Range HotS only: siege range[7]
Duration 150Time SC2 Game1
ve
MorphOversight Coop Game1
Oversight Mode

The overseer can switch to Oversight Mode. In Oversight Mode the overseer is immobile and gains 50% increased sight radius. Can switch back to Overseer Mode to move again.

Usage
Hotkey E (Oversight Mode)
T (Overseer Mode)
Cost 3Time SC2 Game1
ve

Heart of the SwarmEdit

Sarah Kerrigan's forces never create overseers. Detection was never required in the campaign.

Co-op MissionsEdit

Kerrigan, Zagara, Abathur and Alexei Stukov can mutate overseers. Stukov's overseers have an infested factory as a prerequisite. Zagara's overseers use the Leviathan's Brood skin.

Stetmann is able to build mecha overlords, which are identical to Swarm overseers other than being mechanical rather than biological.

Kerrigan Upgrades and AbilitiesEdit

This unit or structure can detect cloaked, burrowed, duplicated and hallucination enemies.

ve
MorphOversight Coop Game1
Oversight Mode

The overseer can switch to Oversight Mode. In Oversight Mode the overseer is immobile and gains 50% increased sight radius. Can switch back to Overseer Mode to move again.

Usage
Hotkey E (Oversight Mode)
T (Overseer Mode)
Cost 3Time SC2 Game1
ve
PneumutizedCarapace SC2 Game1
Pneumatized Carapace

Increase speed of the overlord from 0.59 to 1.88 and the overseer from 1.88 to 3.38.

Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Hatchery/Lair/Hive
Hotkey P
Cost 50 (basic) Minerals Terran SC1
20 (with full Mastery) Minerals Terran SC1
50 (basic) ZergVespene SC2 Game1
20 (with full Mastery) ZergVespene SC2 Game1
60 (basic)Time SC2 Game1
24 (with full Mastery)Time SC2 Game1
ve
SC2 ZergAirCara
Zerg Flyer Carapace

Increases the armor of zerg air units.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Spire/Greater spire
Hotkey M
Level 1
Cost 100 (basic) Minerals Terran SC1
40 (with full Mastery) Minerals Terran SC1
100 (basic) ZergVespene SC2 Game1
40 (with full Mastery) ZergVespene SC2 Game1
160 (basic)Time SC2 Game1
64 (with full Mastery)Time SC2 Game1
Effect Armor: 2
Level 2
Cost 175 (basic) Minerals Terran SC1
70 (with full Mastery) Minerals Terran SC1
175 (basic) ZergVespene SC2 Game1
70 (with full Mastery) ZergVespene SC2 Game1
190 (basic)Time SC2 Game1
76 (with full Mastery)Time SC2 Game1
Required Lair/Hive
Effect Armor: 3
Level 3
Cost 250 (basic) Minerals Terran SC1
100 (with full Mastery) Minerals Terran SC1
250 (basic) ZergVespene SC2 Game1
100 (with full Mastery) ZergVespene SC2 Game1
220 (basic)Time SC2 Game1
88 (with full Mastery)Time SC2 Game1
Required Hive
Effect Armor: 4
ve

Zagara Upgrades and AbilitiesEdit

This unit or structure can detect cloaked, burrowed, duplicated and hallucination enemies.

ve
MorphOversight Coop Game1
Oversight Mode

The overseer can switch to Oversight Mode. In Oversight Mode the overseer is immobile and gains 50% increased sight radius. Can switch back to Overseer Mode to move again.

Usage
Hotkey E (Oversight Mode)
T (Overseer Mode)
Cost 3Time SC2 Game1
ve
SC2 Zagara AC - RelentlessSwarmer
Relentless Swarmer

Zagara has a 100 control maximum, but her combat units cost less resources and morph faster.

  • Drones morph in pairs and requires 0.5 control each.
  • Larvaes spawns 60% faster.
  • Queens supply cost reduced from 2 to 1.
Campaign Acquisition
Unlock Initially available.
ve
PneumutizedCarapace SC2 Game1
Pneumatized Carapace

Increase speed of the overlord from 0.59 to 1.88 and the overseer from 1.88 to 3.38.

Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Hatchery/Lair/Hive
Hotkey P
Cost 50 Minerals Terran SC1 50 ZergVespene SC2 Game1 60Time SC2 Game1
ve
SC2 ZergAirCara
Zerg Flyer Carapace

Increases the armor of zerg air units.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Scourge nest
Hotkey M
Level 1
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 160Time SC2 Game1
Effect Armor: 2
Level 2
Cost 175 Minerals Terran SC1 175 ZergVespene SC2 Game1 190Time SC2 Game1
Required Lair/Hive
Effect Armor: 3
Level 3
Cost 250 Minerals Terran SC1 250 ZergVespene SC2 Game1 220Time SC2 Game1
Required Hive
Effect Armor: 4
ve

Abathur Upgrades and AbilitiesEdit

This unit or structure can detect cloaked, burrowed, duplicated and hallucination enemies.

ve
MorphOversight Coop Game1
Oversight Mode

The overseer can switch to Oversight Mode. In Oversight Mode the overseer is immobile and gains 50% increased sight radius. Can switch back to Overseer Mode to move again.

Usage
Hotkey E (Oversight Mode)
T (Overseer Mode)
Cost 3Time SC2 Game1
ve
PneumutizedCarapace SC2 Game1
Pneumatized Carapace

Increase speed of the overlord from 0.59 to 1.88 and the overseer from 1.88 to 3.38.

Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Hatchery/Lair/Hive
Hotkey P
Cost 50 Minerals Terran SC1
50 ZergVespene SC2 Game1
60 (basic)Time SC2 Game1
24 (with full Mastery)Time SC2 Game1
ve
SC2 ZergAirCara
Zerg Flyer Carapace

Increases the armor of zerg air units.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Spire/Greater spire
Hotkey M
Level 1
Cost 100 Minerals Terran SC1
100 ZergVespene SC2 Game1
160 (basic)Time SC2 Game1
64 (with full Mastery)Time SC2 Game1
Effect Armor: 2
Level 2
Cost 175 Minerals Terran SC1
175 ZergVespene SC2 Game1
190 (basic)Time SC2 Game1
76 (with full Mastery)Time SC2 Game1
Required Lair/Hive
Effect Armor: 3
Level 3
Cost 250 Minerals Terran SC1
250 ZergVespene SC2 Game1
220 (basic)Time SC2 Game1
88 (with full Mastery)Time SC2 Game1
Required Hive
Effect Armor: 4
ve

Stukov Upgrades and AbilitiesEdit

This unit or structure can detect cloaked, burrowed, duplicated and hallucination enemies.

ve
MorphOversight Coop Game1
Oversight Mode

The overseer can switch to Oversight Mode. In Oversight Mode the overseer is immobile and gains 50% increased sight radius. Can switch back to Overseer Mode to move again.

Usage
Hotkey E (Oversight Mode)
T (Overseer Mode)
Cost 3Time SC2 Game1
ve
PneumutizedCarapace SC2 Game1
Pneumatized Carapace

Increase speed of the overlord from 0.59 to 1.88 and the overseer 1.88 to 3.38.

Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Infested command center
Hotkey P
Cost 50 Minerals Terran SC1 50 ZergVespene SC2 Game1 60Time SC2 Game1
ve
SC2 TerrVehArm
Infested Terran Vehicle and Ship Plating

Increases the armor of infested terran vehicles, spacecraft and zerg large ground and air units.

Usage
Passive
Campaign Acquisition
Unlock Initially available.
Acquisition
Purchased from Infested armory
Hotkey V
Level 1
Cost 100 Minerals Terran SC1 100 ZergVespene SC2 Game1 160Time SC2 Game1
Effect Armor: 2
Level 2
Cost 175 Minerals Terran SC1 175 ZergVespene SC2 Game1 190Time SC2 Game1
Effect Armor: 3
Level 3
Cost 250 Minerals Terran SC1 250 ZergVespene SC2 Game1 220Time SC2 Game1
Effect Armor: 4
ve

DevelopmentEdit

Main article: Overseer/Development

The overseer will gain the oversight ability in an upcoming patch, which roots it to the spot, but gives it 25% extra vision. This will ensure that overseers aren't unintentionally clumped with "F2" army commands.[8]

AchievementsEdit

Meet the spy Meet the Spy
Points

10 Achievement SC2 Game1

Criteria

Kill 5 Changelings in a single Unranked or Ranked game.

Notes

This achievement is a reference to Team Fortress 2's Meet the Spy video as an introduction to the class 'Spy', who could disguise as enemy players, but also instant kill via backstab and disable buildings (which aren't things the changeling is capable of)

Special Overseer StrainsEdit

Overseer SC2 Head1

The overseer

ImagesEdit

ReferencesEdit

  1. 1.0 1.1 1.2 Overseer, Blizzard Entertainment. Accessed on 2014-12-06
  2. Blizzard Entertainment. 2012-11-26. StarCraft II Creative Development Q&A - Part 6. Blizzard Entertainment. Accessed 2012-11-26.
  3. Blizzard Entertainment. StarCraft II: Legacy of the Void. Collections Tab: Skins. October 17, 2016
  4. 4.0 4.1 2014-12-04, Overseer Science. Blizzard Entertainment, accessed on 2014-12-06
  5. Zahn, Timothy (November 8, 2016). StarCraft: Evolution. Del Rey Books. ISBN 0425284735.
  6. Blizzard Entertainment. StarCraft II: Legacy of the Void. Collections Tab: Skins. July 19, 2017
  7. Blizzard Entertainment, Teamliquid. 2012-06-09. Heart of the Swarm Update. Blizzard Entertainment. Accessed 2012-06-09.
  8. 2017-08-17, StarCraft II Multiplayer - Major Design Changes. Blizzard Entertainment, accessed on 2017-08-20
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