 | Overseers are genetically altered Overlords who that have a mass of additional sockets filled with highly evolved optical receptors with hypersensitive retinas. These “eyes” have been through much iteration, each developmental cycle improving upon the preceding one’s optical evolution. The Zerg are obsessed with detecting subtler motions and more advanced camouflage techniques, and this latest evolution allows the Overseer to detect any hidden enemy units, including those that are burrowed underground or cloaked. Perhaps most disturbing are reports that Overseers can either carry or give birth to Changelings, infiltrator organisms that can convincingly mimic enemy Zerg, Terrans, or Protoss. |
Stats
| Basic Information | Production | ||
| Race: | Zerg | Producer: | Overlord |
| Life: | 200 | Hotkey: | V |
| Energy: | 200 | Requires: | Lair |
| Armor: | 1 (4) | Cost: | 50 Minerals and 50 Gas |
| Movement: | Slow | Supply: | - |
| Attributes: | Armored - Biological | Build Time: | 17 |
Upgrades
| Name | Hotkey | Cost | Build Time |
| Zerg Flyer Carapace Level 1 | C | 150 Minerals + 150 Gas | 160 |
| Upgrades the armor of all Zerg air units. | |||
| Zerg Flyer Carapace Level 2 | C | 225 Minerals + 225 Gas | 190 |
| Further upgrades the armor of all Zerg air units. | |||
| Zerg Flyer Carapace Level 3 | C | 300 Minerals + 300 Gas | 220 |
| Maximizes the armor of all Zerg air units. | |||
| Pneumatized Carapace | P | 100 Minerals + 100 Gas | 60 |
| Increases the movement speed of Overlords and Overseers. | |||
Abilities
| Spawn Changeling | Creates a Changeling. Changelings cannot attack and die after 150 seconds. When a Changeling first encounters an enemy unit, it will match that unit’s color and change into a Zealot, Marine, or Zergling, depending on the enemy race. |
| Contaminate | The target structure will be unable to train units or research upgrades for 30 seconds. |
| Detector | This unit can detect cloaked, burrowed, and hallucinated units. |
General Strategy
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Provides the same supply as the Overlord.
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Mobile detection unit.
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Can detect cloaked and burrowed units.
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Very fast movement speed compared to Overlords; ideal for scouting.
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Can spawn the ’Changeling’ unit in order to infiltrate enemy bases or troop movements.
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Can contaminate enemy structures, temporarily preventing them from training new units or researching upgrades.
Countermeasures
VS Terran
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Strong anti-air units like Vikings can tear through Overseers extremely quickly.
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Static air defenses like Missile Turrets (particularly turrets with the Hi-Sec Auto Tracking upgrade) can be an effective deterrent against Overseers.
VS Zerg
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Queens at your base can take down Overseers, while patrolling groups of Hydralisks deal enough damage to eliminate them before they can learn about your base defenses or production.
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Because of their speed, Mutalisks can also serve as effective pursuers for groups of Overseers.
VS Protoss
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Stalkers represent some of your earliest defenses against Overseers. Their Blink ability ensures that they’ll be able to intercept and chase down Overseers quickly.
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Void Rays do extra damage to Overseers, so if you have them, use them to make short work of Overseers.
