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The defiler

The defiler was a zerg breed that used toxic substances to support other zerg forces.


Defiler SC1 Art1

A defiler during the Great War

The defiler was a relatively rare zerg breed, resembling a silverfish in appearance and acting akin to a 'cancer factory' in function.[1] Its core genus, if it had one, is unknown, as the defiler contained the DNA of all other zerg breeds.[2] It was created from festering, carcinogenic pathogens that were, in essence, leftover genetic chains from other zerg strains.[3] It used this genetic material to synthesize virus-like biochemicals.[1] These biochemicals were extremely hazardous, resistant to the most effective anti-toxins, and, paradoxically, dangerous even to the zerg.[1] A large amount of energy was expended in the production of these chemicals,[4] and defilers were known to cannibalize other zerg to fuel the metasynaptic processes that generated the compounds,[2] often accompanied by zergling escorts for this very reason.[1] They could also recharge the metasynaptic processes through burrowing.[4]

The defiler's body was host to countless small organisms that lived on the carapace, constantly feeding on each other.[2] The defiler could spontaneously launch a number of these creatures to swarm a location that make it difficult to target anything under the ensuing cloud. In addition, defilers could produce corrosive spores and hurl them at a target area, the spores exploding in a dense cloud. The highly toxic mist that resulted corroded anything it touched.[2] The spores were also prone to igniting due to a flammable accelerant contained in them.[5]

Defiler SC1 Art2

A defiler

Moving with a slow, intelligent slither, defilers were highly vulnerable to any form of counterattack (especially long-range or air assaults) and as such, usually stayed at the rear of zerg formations.[4] The defiler evolved into obselescence after the Brood War. However, with the need for a specialized support strain, the zerg revisited the defiler template and perfected it with genetic data from an unknown species, preserving its core functions while excising its unnecessary lethality.[3] The result was the viper.[6]

Game UnitEdit


For StarCraft gameplay information see: Defiler (StarCraft).

StarCraft IIEdit

Defiler SC2 Game1

Defiler bones

In StarCraft II, the defiler has been replaced by the Infestor.[7] The viper also has similar traits.

Wings of LibertyEdit

The bones of defilers appear in Wings of Liberty as zerg research subjects on the level The Great Train Robbery.[8]

Heart of the SwarmEdit

An untextured defiler model is included in the Galaxy Map Editor for StarCraft II: Heart of the Swarm.[9]

Known DefilersEdit

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A defiler

Variant StrainsEdit


References Edit

  1. 1.0 1.1 1.2 1.3 Defiler. StarCraft Compendium. Accessed on 2008-02-07
  2. 2.0 2.1 2.2 2.3 Underwood, Peter, Bill Roper, Chris Metzen and Jeffrey Vaughn. StarCraft (Manual). Irvine, Calif.: Blizzard Entertainment, 1998.
  3. 3.0 3.1 2015-01-16, Viper Science. Blizzard Entertainment, accessed on 2014-01-20
  4. 4.0 4.1 4.2 2015-09-18, NYCC 2015 – James Waugh’s StarCraft Field Manual Signing Schedule. Blizzplanet, accessed on 2015-09-23
  5. Gerrold, David (w), Fernando Heinz Furukawa (p, i). StarCraft: Ghost Academy: Volume 2 (paperback binding). Tokyopop, August 10, 2010. ISBN 978-1427-81613-9.
  6. Unit Guide: Viper, Blizzard Entertainment. Accessed on 2014-05-12
  7. Medievaldragon. 2008-03-10, StarCraft II-Zerg Unveiled. Blizzplanet. Accessed on 2008-03-10
  8. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, The Great Train Robbery (in English). 2010-07-27.
  9. Blizzard Entertainment. StarCraft II Map Editor. (Activision Blizzard) (in English). July 27, 2010

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