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Evolution pit/Development

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The following section contains information from a previous version of StarCraft II: Heart of the Swarm which is no longer valid.

The evolution pit underwent considerable change during the development of StarCraft II: Heart of the Swarm.

EvolutionChamber HotS Game1

The evolution pit

Formerly called the evolution chamber,[1] the structure enabled changes to units.

Each unit featured three upgrades and a final, irreversible choice. For instance, the zergling can get the Metabolic Boost, Posthumous Mitosis, and Rapid Genesis upgrades. Afterward it could become a raptor (which gains combat bonuses) or a swarmling (which spawn 3:1).[2]

As zerg units were unlocked/developed, they would fill up the evolution pit—similar to the armory from Wings of Liberty.[3] These mutations were made "on the fly" during gameplay.[4]

UpgradesEdit

ZerglingsEdit

MetabolicBoost SC2 Zergling Metabolic Boost
  • Increases zergling movement speed. The zerglings "grow wings".
Campaign Acquisition
Acquired from Evolution pit
Acquisition
Purchased from Spawning pool
Hotkey M
Cost 100 Minerals Terran SC1 100 Gas Terran SC1 110Time SC2 Game1
ve
Posthumous Mitosis[2]

Zergling has a 20% chance to spawn 2 broodlings on death.[2]

ve
Rapid Genesis[2]

Zerglings train instantly.[2]

ve
Evolve Zergling[2]

Zerglings can transform into either raptors or swarmlings; once made, the choice is irreversible.[2]

ve

BanelingsEdit

Viscous Discharge[2]

Baneling acid slows move speed of all units hit for a short period of time.[2]

ve
CentrifugalHooks SC2 Game1 Centrifugal Hooks
  • Increases the speed of banelings.
  • Causes banelings to roll instead of walk.
Acquisition
Purchased from Baneling nest
Hotkey C
Cost 150 Minerals Terran SC1 150 Gas Terran SC1 110Time SC2 Game1
Required Lair
ve
Rupture[2]

Baneling splash radius increased by 25%.[2]

ve
Evolve Baneling[2]

Banelings can evolve into either gorgelings or splitterlings; once the choice is made, it cannot be reversed.[2]

ve

RoachesEdit

Chitinous Plating[2]

Roaches gain a +1 bonus to armor.[2]

ve
Bile Ducts[2]

Roaches gain a +2 bonus to damage.[2]

ve
Organic Carapace[2]

Roach regeneration increases by 2 hp/second.[2]

ve
Evolve Roach[2]

Roaches transform into leeches or prowlers; once the choice is made, it cannot be reversed.[2]

ve

ReferencesEdit

  1. SoMuchMass. 2011-10-22. BlizzCon 2011 - Starcraft 2: Heart of the Swarm - Campaign and Lore Panel (Full). Youtube. Accessed 2011-10-22.
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 2.18 2.19 2.20 StarCraft Legacy staff. 2011-05-30. May 2011 HoTS Gameplay Info. StarCraft Legacy. Accessed 2011-05-31.
  3. Heart of the Swarm Screenshots, Kotaku. Accessed on 2011-07-08
  4. 2011-21-10, Interview: Starcraft 2: Heart of the Swarm - Campaign and Lore Facts You Need To Know. G4TV, accessed on 2011-21-10

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