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"Our forces are protected by their shields. They will regenerate quickly unless they take further damage."

- An executor(src)

Khastiana WhyWeFight Comic1

A plasma shield in action

The plasma shield (a.k.a. phase shield)[1] is a protoss defense method created by a blend of psionic power and technology. The technological aspect renders them vulnerable to EMP effects.[2]


Scout SC1 CineFuryXelNaga1

A scout protected by a plasma shield

During the Aeon of Strife, protoss warriors created personal shields by focusing psionic energy. The protoss later reproduced the effect using psi-field generators. These generators could be installed in machines giving protoss vehicles shields as well.[3] Psionically powerful protoss such as Khastiana can still enhance the power of their shields.[4] Shields must be dropped to make use of some physical contact-based psionic abilities.[4] Shields regenerate quickly after absorbing damage.[5] Shields are charged via a device named the shield capacitor, also referred to as a shield battery. These devices can be drained by extended use.[6]

Against terran weapons, plasma shields can resist infantry-based weapons, including fragmentation grenades,[7] laser pistols,[8] and even the C-14 rifle at point blank range. Terran Dominion tactics state that plasma shields are best overcome by mass fire.[4]

The Prisoner SC-Survivors Comic3

A Nerazim's plasma shield

After the Brood War, vast advancements were made to shield regeneration technology, which led to the phasing out of the shield battery as a means to recharge shields. However, improvements to the shield battery's ability to recharge plasma shields led to some factions reintegrating them.[9]

Game EffectEdit


PlasmaShield SC1 Upgrd1
Plasma Shields
  • +1 armor bonus to shields per level for all units and structures.
Purchased from Forge
Hotkey S
Level 1
Cost 200 Minerals Terran SC1 200 Gas Terran SC1 266Time SC2 Game1
Level 2
Cost 300 Minerals Terran SC1 300 Gas Terran SC1 298Time SC2 Game1
Required Cybernetics core
Level 3
Cost 400 Minerals Terran SC1 400 Gas Terran SC1 330Time SC2 Game1
Required Cybernetics core

Shields points act as another form of hit points and are usually lost first. Unlike regular HP, plasma shields always suffer full damage regardless of the type of attack used against them or the size of the shielded object. For example, a large-sized dragoon's shields will take full damage from concussive damage attacks such as from a vulture.

Shield points have a separate "armor" rating from regular hit points. The base "armor" is 0 and may be upgraded. This applies to both units and buildings. If an attack both depletes shields and damages HP, both shield armor and regular armor are subtracted from the attack's damage. Shield points regenerate slowly but a shield battery may be used to restore them faster. They regenerate at a rate of approximately ~1.5 points per second.[10]

Shields caught within the terran science vessel's EMP Shockwave are reduced to 0 points.

StarCraft IIEdit

SC2 ProShields
Plasma Shields
  • +1 armor to shields per level.
Purchased from Forge
Hotkey S
Level 1
Cost 150 Minerals Terran SC1 150 Gas Terran SC1 129Time SC2 Game1
Level 2
Cost 225 Minerals Terran SC1 225 Gas Terran SC1 154Time SC2 Game1
Required Twilight council
Level 3
Cost 300 Minerals Terran SC1 300 Gas Terran SC1 179Time SC2 Game1
Required Twilight council

Shields regenerate very quickly after 10 seconds out of combat,[11] but do not regenerate when taking damage. They regenerate at 2 points per second.

Shields take the same bonus damage as the unit they are protecting.

The widow mine deals extra damage to shields.[12]

The ghost's EMP Shot drains 100 shield points per shot.


Hybrid destroyers, dominators, and nemesis are protected by shields.[13]

Esoteric UsesEdit

Shields protect the protoss from rip-field generators if they have at least 1 or more shield points.[14]


  1. Barba, Rick. StarCraft Field Manual (hardcover). Insight Editions, November 17, 2015.
  2. Karune. 2007-01-22. StarCraft II Q&A - Batch 26. StarCraft II General Discussion Forum. Accessed 2008-01-22.
  3. Underwood, Peter, Bill Roper, Chris Metzen and Jeffrey Vaughn. StarCraft (Manual). Irvine, Calif.: Blizzard Entertainment, 1998.
  4. 4.0 4.1 4.2 Elder, Josh and Ramanda Kamarga. "Why We Fight." In StarCraft: Frontline: Volume 1, pp. 6–47. Tokyopop, August 1, 2008. ISBN 1427-80721-3.
  5. Blizzard Entertainment. StarCraft II. (Activision Blizzard). PC. Mission: Retaliation (in English). 2016-06-20.
  6. Dayton, Cameron. "Cold Symmetry." (March 7, 2013). Blizzard Entertainment. StarCraft Lore: Cold Symmetry Accessed 2013-03-07.
  7. Houser, Jody (w), Guzmán,Gabriel (p, i). "StarCraft: Survivors: Issue 3" StarCraft: Survivors 3 (24) (September 18, 2019) Dark Horse Comics.
  8. Houser, Jody (w), Guzmán,Gabriel (p, i). "StarCraft: Survivors: Issue 4" StarCraft: Survivors 4 (24) (October 23rd, 2019) Dark Horse Comics.
  9. Blizzard Entertainment. StarCraft II: Legacy of the Void. Collections Tab: Skins. October 17, 2016
  10. Page about regeneration in wiki about StarEdit Accessed 2019-08-05.
  11. Blizzard Entertainment. StarCraft II Map Editor. (Activision Blizzard) (in English). July 27, 2010
  12. Blizzard Entertainment. 2014-02-28. Heart of the Swarm Balance Update -- February 28, 2014. Blizzard Entertainment. Accessed 2014-03-01.
  13. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, A Sinister Turn (in English). 2010-07-27.
  14. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, Maw of the Void (in English). 2010-07-27.
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