StarCraft® II

These small drones are employed to survey vast wasteland areas or record battles for the Protoss archives. Their complex sensor array can detect cloaked enemies with ease, making the Observer an invaluable auxiliary unit on the battlefield. However, the sensor array also depletes the Observer’s overall energy, which weakens the unit’s defensive capabilities. To compensate for their lack of armor power, Observers are equipped with a micro-cloaking field to hide them from the enemy. The drone’s small sensor signature allows it to maintain this field over long periods with very little drain on its power core.
Heart of the Swarm Wings of Liberty
Unit Statistics

3D Model

Basic information

Race: Protoss
Life: 40
Shield: 20
Armor: 0 (3)
Movement: Slow
Attributes: Light - Mechanical

Production

Producer: Robotics Facility
Hotkey: B
Cost: 25 75
Supply: 1
Build time: 30

Combat

Upgrades:
Ability:

3D Model

Basic information

Race: Protoss
Life: 40
Shield: 20
Armor: 0 (3)
Movement: Slow
Attributes: Light - Mechanical

Production

Producer: Robotics Facility
Hotkey: B
Cost: 25 75
Supply: 1
Build time: 30

Combat

Upgrades:
Ability:

DATA MATRIX

Observers have a micro-cloaking field that renders them invisible to anything not equipped with advanced detection systems. The Observer’s hull is fashioned out of a buoyant material that refracts light and masks its diminutive energy signature, greatly enhancing its stealth capabilities.
Complex arrays of self-focusing lenses, powered by psionic lattices, allow the Observer to analyze the battlefield from its vantage point in the sky. It can easily spot burrowers, as well as defeat all types of camouflage or stealth systems. Nothing can go unseen under the Observer’s watchful gaze.
The Observer’s primary means of locomotion is a discrete thruster that creates a gravity field, while energy-sheathed “fins” manipulate said field to generate lift and propulsion. Without modifications, the Observer can adequately travel from one point to another, but is hard pressed to outrun pursuers—unless outfitted with a set of Gravitic Boosters.
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General Strategy

  • Light unit that provides detection.
  • Permanently cloaked.
  • Fragile; be careful of anti-air defenses that can detect them.
  • Extremely valuable as a scout. Use it to explore the map or track the enemy’s movements.
  • An attentive opponent may notice the shimmering outline of your observer, even if they are cloaked. Try not to move through heavily monitored areas, like going through the middle of the enemy’s base.

Weak Against

  • Missile Turret
  • Spore Crawler
  • Photon Cannon

Upgrades

  • Graviton Booster: Passive increase to the Observer’s movement speed.

Countermeasures

Terran VS
  • Build Missile Turrets around your base to detect them.
  • Build a Raven and some Vikings, and fly around the map to hunt down enemy Observers.
  • If you see the shimmering form of the Observer, use a Ghost to fire an EMP round at it. This will reveal it for a few seconds, giving your Ghost enough time to kill it.
Zerg VS
  • Morph some Overlords into Overseers for their detection capabilities, or build a few Spore Crawlers around your base.
  • Spawn Mutalisks and team them up with an Overseer. Proceed to scour the map in search of Observers.
  • Have an Infestor use Fungal Growth if you spot a shimmering outline. This removes the cloak for a few seconds and allows your anti-air units to kill the Observer.
Protoss VS
  • Place a few Photon Cannons around your base to detect them.
  • Use Phoenixes coupled with an Observer of your own to hunt down enemy Observers.
  • Observers are extremely fragile, so units that can attack air (and can see them) will be able to kill them quickly.

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