Protoss Observer

Description Edit

The Observer is a cloaked, flying support unit that detects invisible units. Observers start quite slow but can be upgraded with Gravitic Boosters, which brings their movement speed to an average value. Observers can also be upgraded to use Phase Shift, which prevents them from being automatically targeted by enemy units. Phase Shift upgrade also increases the Observers' sight range.

Unit Information Edit

Type: Light - Mechanical
Cost: Minerals 25 Gas 75 Psi 1
Build time: 33 seconds
Shields: 20
Life: 40
Armor: 0
Movement Speed: 1.87 (Can be upgraded to 2.8 by researching Gravitic Boosters)
Sight Range: 9 (Can be upgraded to 11 by researching Phase Shift)
Built from: Robotics Facility
Requires: Observatory

Abilities Edit

Permanently Cloaked

Observers are permanently cloaked.


This unit can detect cloaked, burrowed and hallucinated units.

Phase Shift
Phase Shift (Observer)
Cooldown: 65 seconds
Duration: 5 seconds

Briefly covers the Observer in a shield that prevents it from being automatically targeted by enemy units that are idle or attack-moving.

Researched from Observatory.

Upgrades Edit

Gravitic Boosters
Observer - Gravitic Boosters
Cost: Minerals 100 Gas 100
Research Time: 138 seconds

Increases the movement speed of Observers.

Researched from Observatory.
Phase Shift
Phase Shift (Observer)
Cost: Minerals 100 Gas 100
Research Time: 100 seconds

Allows Observers to use the Phase Shield ability. Grants them +2 sight range.

Researched from Observatory.

Related Links Edit

Units and Buildings
Protoss Overview
Units Probe · Zealot · Dragoon · High Templar · Dark Templar · Archon · Dark Archon · Observer · Warp Prism · Reaver · Corsair · Scout · Sentinel · Arbiter · Carrier
Buildings Nexus · Assimilator · Pylon · Gateway (Warp Gate) · Cybernetics Core · Forge · Photon Cannon · Twilight Council · Templar Archives · Robotics Facility · Robotics Bay · Observatory · Stargate · Fleet Beacon · Arbiter Tribunal
Terran Overview
Units SCV · Marine · Medic · Firebat · Enforcer · Ghost · Vulture (Spider Mine) · Siege Tank · Goliath · Dropship · Wraith · Viking · Science Vessel · Battlecruiser
Buildings Command Center (Orbital Command · Planetary Fortress) · Refinery · Supply Depot · Barracks · Engineering Bay · Bunker · Missile Turret · Covert Ops · Academy · Factory · Armory · Starport · Fusion Core · Tech Lab
Zerg Overview
Units Drone · Overlord · Swarm Queen · Zergling · Hydralisk (Lurker) · Mutalisk (Guardian · Devourer) · Scourge · Eruptor · Viper · Ultralisk · Defiler
Buildings Hatchery (Lair · Hive) · Extractor · Spawning Pool · Evolution Chamber · Hydralisk Den · Spine Crawler · Spore Crawler · Spire (Greater Spire) · Viper Nest · Ultralisk Cavern · Defiler Mound · Greater Nydus Network

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