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[e][h]Terran Liberator Fighter Mode
Unit Information
Air Unit
Artillery Ship
Built From:
 150  125  43  3
Attack 1: Lexington Rockets
5 (+1) (x2)
7.75 (+1.55)
Attack 2: Concord Cannon
75 (+5)
65.8 (+4.39)
10 (+3)
Unit stats
180 0 (+1)
Strong against:
Weak against:
[e][h]Terran Liberator Defender Mode
Unit Information
Unit stats
180 0 (+1)


The Liberator is a fast and versatile Terran air unit introduced in Legacy of the Void. It can be built from the Starport and double produced from a Reactor.

"In order to combat clusters of aerial threats, the Dominion created the Liberator; a gunship-class vessel inspired by the old United Earth Directorate Valkyrie." This air-superiority craft has an area of effect on its air-to-air attack in "Fighter Mode". In this mode it is slower than Medivacs & Warp Prisms with their Speed Upgrades, Phoenices, Oracles, and Mutalisks, and has the same speed as Corruptors; it is able to chase down any other target. With its transformation into "Defender Mode" (upon a 2 second delay) this unit turns into a powerful, though immobile, air-to-ground unit with long range and very high damage output.

The Liberator is comparable to the similarly siege-oriented Siege Tank, but importantly, the Liberator attacks in a zone selected upon activating Defender Mode, rather than all around itself. It can have its range upgraded, by researching Advanced Ballistics (requires a Fusion Core). It can also be produced with a Reactor, whereas the Tank requires a Factory with Tech Lab. Siege Tanks need defense from ground units via Bunkers and buildings to block the enemy from simply rushing up to the Tanks, while Liberators may be accompanied by either Widow Mines for combined anti-air and ground or a few Missile Turrets, Vikings or Marines, depending on whether the enemy is trying to overwhelm from the ground or is using air-to air units.


Duration: 2.89 s
Hotkey: E
Deploys into Defender Mode. In this mode, Liberators inflict single target damage to ground units. Liberators in this mode cannot move.
Duration: 1.46 s
Hotkey: D
Reverts to Fighter Mode. In this mode, Liberators can move, but they can only target air units.

To enter Defender Mode (colloquially called sieging), the player must specify a target area, which will remain fixed as long as the Liberator remains in Defender Mode. The target area is a circle of radius 5 and is indicated to all players with vision. The "casting" of this circle has range of 5, resulting in a maximum attack range of 10 (without upgrades). While sieged, the Liberator can only attack ground units within its target area. The player gains vision of the target area.


Advanced Ballistics
 150      150      79 Hotkey: N
Researched from: Fusion Core
Increases the range of Liberators in Defender Mode by 3.

This upgrade allows the Liberator to be an additional 3 units of distance away from its target area. As a result, the maximum range grows to 13. The target area's size and shape remain the same.

Comparison to Viking[edit]

Air-to-Air Compared With Viking
vs. Light vs. Armored
Mode Speed Range Cooldown Damage DPS Damage DPS
Liberator 4.72 5 1.29 10 (+2) 7.8 (+1.4) 10 (+2) 7.8 (+1.4)
Viking 3.85 9 1.43 20 (+2) 14 (+1.4) 28 (+2) 19.6 (+2.8)

Against Light air units, 2 clustered enemies are required for the Liberator's splash to out-DPS the Viking. Against Armored air units, 3 clustered enemies are required.

Competitive Use[edit]

  • As Widow Mines are cheap on Vespene Gas, these two units are a common combination.
  • Can control choke points and air, but is too expensive and fragile to engage anti-air units without assistance.
    • Versus Terran, this problem often comes down to who has more Vikings. In TvT Liberators are mostly used to break lines of Siege Tanks.


  • In combination with Widow Mines, Vikings or Marines for anti-air, it can defend positions and reinforce harassing (Medivacs) or pressuring (Siege Tank) armies on the other side of the map.
  • Can be used in a similar manner to Banshees and the Raven Autoturrets for harassment.

Vs. Protoss[edit]

  • Can outrange Colossus, but Disruptor is the exact opposite.
    • Nevertheless Liberators are needed to force your opponent transit into Carriers or Tempests. Disruptors don't kill aircrafts, after all.
  • Needs +2 Weapon to two-shot Stalkers (one-shot with EMP).

Vs. Terran[edit]

  • Vikings on paper have every advantage over the Liberator, except speed. Do not blindly produce Liberators against Terran.
  • Often used as a reinforcement for Siege Tank (1-2) pushes; keep enemy Viking numbers in mind.

Vs. Zerg[edit]

  • Killed by three Ravagers using Corrosive Bile.
  • With Marines and Marauders the counter-composition usually involves Banelings, so Siege Tanks are normally preferable for the early to mid-game. Production of Liberators is usually to reinforce the other side of the map when the enemy is using more expensive units like Hydralisks or Ultralisks where Liberators can get their full value. This is also entirely a player preference.



Patch Changes[edit]

External Links[edit]


  1. Blizzard Entertainment (17 September 2015). "Legacy of the Void Beta Balance Update -- September 17, 2015".
  2. Blizzard Entertainment (23 October 2015). "Legacy of the Void Beta Balance Update -- October 23, 2015".
  3. Blizzard Entertainment (23 May 2016). "Legacy of the Void Balance Update -- May 23, 2016".
  4. Blizzard Entertainment (22 November 2016). "Legacy of the Void - Patch 3.8.0 -- November 22, 2016".
  5. Blizzard Entertainment (31 January 2017). "Legacy of the Void - Patch 3.10.1 -- January 31, 2017".
  6. Blizzard Entertainment (14 November 2017). "STARCRAFT II 4.0 PATCH NOTES".
  7. Blizzard Entertainment (24 April 2018).
  8. Blizzard Entertainment (26 November 2019). "STARCRAFT II 4.11.0 PATCH NOTES".
  9. Blizzard Entertainment (23 January 2023). "STARCRAFT II 5.0.11 PATCH NOTES".