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The following section contains information from a previous version of StarCraft II which is no longer valid.

Early render of the tech lab

In early builds, the tech lab researched upgrades and special abilities for some units, but these upgrades were transferred to the merc compound, armory and fusion core. Currently the tech lab is responsible to research armor and weapon upgrades for the units.

The tech lab was mocked up as a science facility add-on but later repurposed when Blizzard decided that buildings didn't get specific add-ons, rather they could either get a reactor or tech lab.[1]

StarCraft II beta patch 2 decreased the tech lab's build time from 30 seconds to 25, and Patch 6 decreased the cost from 50 minerals and gas to 50 minerals and 25 gas.

Barracks[]

In 2007:

  • Combat Shields provided +15 HP, when marines still had 40 HP.
  • U-238 Shells[2] used to increase marine attack range like in StarCraft I.[2] Eventually their attack range was simply increased to 5.[3]
  • Caduceus Reactor[2] and a new Flare ability were researchable when the medic was still in multiplayer. The former increased the medic's energy by 50,[2] and the latter revealed an area for 10 seconds.
SC2NitroPacks.jpg
Nitro Boost

Increases movement speed of reapers.

Acquisition
Purchased from Tech lab attached to barracks
Cost 50 Minerals 50 Vespene gas 100seconds
Required Factory
ve

The Nitro Packs upgrade was removed in January 2013.[4]

Combat Drugs originally needed to be researched.

  • Combat Drugs[4]
    • Researched at tech lab[4]
    • Cost: 50 min/50 gas/80 sec[4]
    • Increases Reaper health regeneration out of battle.[4]

Factory[]

  • Fighter Tech[5]

In earlier builds the viking was built at the factory in ground mode, but needed the Fighter Tech upgrade to enable it to transform to air mode.[5] In Heart of the Swarm, Siege Tech and 250mm Cannons were removed from the tech lab. In Legacy of the Void, Transformation Servos were removed, and with Patch 3.8 Mag-Field Accelerators was removed, and in the next balance patch its replacement Mag-Field Launchers were also removed.

During development of Legacy of the Void, the tech lab was used to research an upgrade for cyclones that allowed them to gain the ability to attack air units. This upgrade required the presence of the fusion core.[6]

Patch 4.0 added the Smart Servos upgrade, reducing the transformation times of the hellion, hellbat, thor, and viking. The change was chosen to "get more micro" out of terran transformation mechanics.[7]

JotunBoosters SC2 Game1.png
Jotun Boosters[8]

Increases the range of Viking anti-air attacks by +2.[8]

Acquisition
Purchased from Tech lab attached to factory[9]
Cost 100[8] Minerals 100[8] Vespene gas 110[8]seconds
ve
SC2SiegeMode.jpg
Siege Tech

The siege tank transforms, becoming stationary and using a different weapon.

The ability is not smartcast.

In Heart of the Swarm and Legacy of the Void, Siege Tech does not need to be researched.

Usage
Hotkey Siege mode: E
Tank mode: D
Cost 3.5 seconds
Acquisition
Purchased from

Tech lab attached to factory (WoL)

Already researched (HotS/LotV)
Cost 100 Minerals 100 Vespene gas 80seconds
ve
SC2ParticleCannon.jpg
250mm Cannons

The thor attacks an enemy ground unit or structure using the cannons on its back. The target unit is stunned for the duration and takes 500 damage. The thor cannot move or attack when using the ability.

This ability was removed in Heart of The Swarm.

Usage
Hotkey C
Cost 100 Energy 6 seconds
Duration 6 seconds
Acquisition
Purchased from Tech lab attached to factory
Hotkey C
Cost 150 Minerals 150 Vespene gas 110seconds
ve
TransformationServos SC2-HotS Icon.jpg
Transformation Servos

Allows the hellion and hellbat to transform between modes freely.
Heart of the Swarm only.

Acquisition
Purchased from Tech lab attached to factory
Hotkey T
Cost 150 Minerals 150 Vespene gas 110seconds
Required Armory
ve
MagFieldLaunchers LotVGame 1.png
Mag-field Launchers

Increases Cyclone's attack range by +2.

Removed with Patch 3.8.0.

Acquisition
Purchased from Tech lab attached to Factory
Hotkey R
Cost 100 Minerals 100 Vespene gas 79seconds
ve
RipwaveMissiles SC2-LotV Icon1.jpg
Rapid Fire Launchers

Increases the attack speed of the first 12 shots of the Cyclone's Lock On ability.

Acquisition
Purchased from Tech lab attached to factory
Hotkey A
Cost 75 Minerals 75 Vespene gas 79seconds
ve

Starport[]

Alpha Development

  • Defensive Matrix Field[10]
    • Cost: 150 Minerals 150 Gas Terran SC1.png 110 seconds
    • Hotkey: D
    • "Allows the TF-620 Nomad to use the Defensive Matrix Field ability. Defensive Matrix Field creates a damage suppression field at target location which reduces all incoming damage by 50%."

The Nomad was replaced by the Raven; it had the "Defense Matrix" ability along with another unknown ability[10] at BlizzCon 2007. The ability is no longer in the game.

In December 2012, the ability to research Seeker Missiles for the Raven was removed; the ability is now an automatic one for the Raven.[11] In Legacy of the Void, Caduceus Reactor and Durable Materials were removed, and with Patch 3.8 Explosive Shrapnel Shells was also removed.

Caduceus Reactor would have reduced healing cost.[12][13] The enhanced healing beam will change color.[14] A fusion core is required for the upgrade.[15] The upgrade was later reverted to the Wings of Liberty version via the January 9, 2013 balance update.[12]

HuntSeekMiss SC2 UseAble1.jpg
Seeker Missile

Missile comes out and stays immobile in front of the Raven for 4 seconds while charging up, then rapidly moves (it’s not dodgeable at this point) and explodes at the target, causing 100 damage to target plus splash damage. Targeted unit lights up red when targeted. If the unit moves 13 range out of where the Seeker Missile is, the missile fizzles.

The missile cannot target buildings.

Usage
Hotkey R
Cost 125 Energy
Range 10
Duration 14 (increased to 20 with Durable Materials upgrade) (WoL) 4 (HotS/LotV) seconds
ve
CaduceusReactor SC2 Game1.png
Caduceus Reactor

Increases the starting energy of the medivac dropship by 25.

This upgrade is removed in Legacy of the Void.[16]

Acquisition
Purchased from Tech lab attached to starport
Hotkey A
Cost 100 Minerals 100 Vespene gas 80seconds
ve
DurableMaterials SC2 Game1.png
Durable Materials

Not available in Legacy of the Void

Acquisition
Purchased from Tech lab attached to starport
Hotkey D
Cost 150 Minerals 150 Vespene gas 110seconds
ve
DefenderMode LotV Game1.jpg
Defender Mode

Deploys into Defender mode. In this mode, liberators have a long-ranged narrow attack that can inflict high single target damage. Bonus vision is gained in this mode. Liberators cannot move in this mode.

This attack only targets units, not buildings.[17]

Usage
Hotkey E
Duration 2.88 seconds
ve
ExplosiveShrapnel LotV Game1.JPG
Explosive Shrapnel Shells

Increases the damage of auto-turrets and seeker missiles by 30%.
Removed in Patch 3.8.

Acquisition
Purchased from Tech lab attached to starport
Hotkey E
Cost 150 Minerals 150 Vespene gas 110seconds
ve
RecalibratedExplosives LotVGame 1.png
Recalibrated Explosives

Increases the Seeker Missile's unit tracking range by 50% (13 to 19.5) and the damage by 30%.

Acquisition
Purchased from Tech lab attached to starport
Hotkey E
Cost 150 Minerals 150 Vespene gas 79seconds
ve
EnhancedMunitions LotV Game1.JPG
Enhanced Munitions

Increaes the Raven's Anti-Armor Missile explosion radius by 20% and its tracking range by 50%.

Acquisition
Purchased from Tech lab attached to starport
Hotkey E
Cost 150 Minerals 150 Vespene gas 79seconds
ve

Building Abilities[]

SC2 Salvage icon.jpg
Salvage

Removes the structure and returns 75% of the structure's mineral and vespene gas cost. The process may not be aborted once started. A bunker cannot be salvaged while units are still in it.

Usage
Hotkey V
Cost 5 seconds
ve

References[]

  1. 2011, SC2: Terran Add Ons. Deviantart, accessed on 2011-03-19
  2. 2.0 2.1 2.2 2.3 2007-09-13. Gameplay Video - Terran. Blizzard Entertainment. Accessed 2007-09-14.
  3. StarCraft Legacy staff. 2009-04-04. Terran Unit Information. StarCraft Legacy. Accessed 2009-05-10.
  4. 4.0 4.1 4.2 4.3 4.4 KDraconis. 2012-06-08. Heart of the Swarm Unit Stats . StarCraft Legacy. Accessed 2012-06-09.
  5. 5.0 5.1 BlizzCon Statistics 1 Shacknews
  6. 2015-04-27, Legacy of the Void Beta: Balance Update Preview - April 27. Blizzard Entertainment, accessed on 2015-04-28
  7. 2017-08-17, StarCraft II Multiplayer - Major Design Changes. Blizzard Entertainment, accessed on 2017-08-20
  8. 8.0 8.1 8.2 8.3 8.4 Terran Viking. StarCraft II Armory. Accessed 2009-09-12.
  9. Terran Tech Lab. StarCraft II Armory. Accessed 2009-10-04.
  10. 10.0 10.1 BlizzCon Statistics 1 Shacknews
  11. David Kim. 2012-12-04. Wings of Liberty Balance Update -- December 4, 2012. Blizzard Entertainment. Accessed 2012-12-04.
  12. 12.0 12.1 Spyrian. 2013-01-09. Beta Balance Update #11 – January 9, 2013. Heart of the Swarm Beta Discussion Accessed 2013-01-10.
  13. Kaivax. 2012-12-05. Beta Balance Update #8 – December 5, 2012. Heart of the Swarm Beta Discussion Accessed 2012-12-05.
  14. Spyrian. 2012-12-12. Beta Balance Update #9 – December 12, 2012. Heart of the Swarm Beta Discussion Accessed 2012-12-12.
  15. Spyrian. 2012-12-18. Beta Balance Update #10 – December 18, 2012. Heart of the Swarm Beta Discussion Accessed 2012-12-19.
  16. 2015-06-18, Legacy of the Void Beta Balance Update -- June 17, 2015. Blizzard Entertainment, accessed on 2015-06-26
  17. Blizzard Entertainment. 2015-05-27. Introducing the Liberator. Blizzard Entertainment. Accessed 2015-05-27.