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From Liquipedia StarCraft 2 Wiki


Sight or Vision is an attribute of units and structures that allows players on the same team to see enemy units or structures, or to reveal things through the Fog of War. Every unit or building provides vision of a certain distance, and this vision continues to be provided for a brief time after the unit or structure blinks, is warped, or is destroyed. Areas with sight or vision are shown on the minimap as well as the main window. Units which are provided sight are able to attack units that they could not see on their own.

Ground units cannot see up cliffs. A scan will also reveal highground terrain.

Detection is a separate ability. Although detection is tied to a unit's sight range, it will provide detection within that range when its own line of sight is blocked by terrain or sight blockers as long as vision is provided by another unit. The Radar ability of the Sensor Tower works slightly differently from Sight. It shows the player the position of enemy units as symbols, but not the unit type or allow them to be attacked. The Oracle's Revelation provides the Protoss temporary 1-range vision around its targets. The Observer & Overseer have abilities that increase their sight range by 25% at the cost of immobilizing them.

The Tempest and the Siege Tank (in Siege Mode) are notable for having an attack Range longer than their Sight range. For these units to attack at maximum range, some other unit or ability must be used to grant vision of the target. The range of the Liberator in Defender Mode with Advanced Ballistics is also longer than its sight, but it receives vision of its targeted area.

Sight Ranges[edit]

Unless otherwise noted, buildings have a sight range of 9. Buildings under construction have reduced sight range. Burrowed Zerg units have their sight reduced by 4, except for:

All Zerg Cocoons have a sight range of 5, except the Infested Terran Egg, which has 0.

The Xel'Naga Tower provides a Sight range of 22.










By Sight Range[edit]

Unit Race Sight
Mothership Protoss 14
Carrier Protoss 12
Tempest Protoss 12
Battlecruiser Terran 12
Sensor Tower Terran 12
Brood Lord Zerg 12
Hive Zerg 12
Nexus Protoss 11
Observer (Surveillance) Protoss 11 (13.75)
Photon Cannon Protoss 11
Cyclone Terran 11
Ghost Terran 11
Medivac Terran 11
Command Center Terran 11
Missile Turret Terran 11
Orbital Command Terran 11
Planetary Fortress Terran 11
Raven Terran 11
Siege Tank Terran 11
Thor Terran 11
Lair Zerg 11
Mutalisk Zerg 11
Overlord Zerg 11
Overseer (Oversight) Zerg 11 (13.75)
Spine Crawler Zerg 11
Spore Crawler Zerg 11
Viper Zerg 11
Colossus Protoss 10
High Templar Protoss 10
Oracle Protoss 10
Phoenix Protoss 10
Sentry Protoss 10
Stalker Protoss 10
Void Ray Protoss 10
Warp Prism Protoss 10
Banshee Terran 10
Bunker Terran 10
Hellbat Terran 10
Hellion Terran 10
Liberator Terran 10
Marauder Terran 10
Viking Terran 10
Corruptor Zerg 10
Hatchery Zerg 10
Infestor Zerg 10
Lurker Zerg 10
Nydus Worm Zerg 10
Swarm Host Zerg 10
Other Buildings 9
Adept (Shade) Protoss 9 (4)
Archon Protoss 9
Disruptor Protoss 9
Immortal Protoss 9
Mothership Core Protoss 9
Zealot Protoss 9
Marine Terran 9
Reaper Terran 9
Hydralisk Zerg 9
Infested Terran Zerg 9
Queen Zerg 9
Ravager Zerg 9
Roach Zerg 9
Ultralisk Zerg 9
Dark Templar Protoss 8
Probe Protoss 8
MULE Terran 8
SCV Terran 8
Baneling Zerg 8
Changeling Zerg 8
Drone Zerg 8
Zergling Zerg 8
Interceptor Protoss 7
Auto-Turret Terran 7
Point Defense Drone Terran 7
Widow Mine Terran 7
Broodling Zerg 7
Locust Zerg 6
Cocoon Zerg 5
Larva Zerg 5