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"If you've never seen an's bigger than a goddamn tank, and louder, and faster. Tall as four marines in full armor, and long enough that in the jungle you can be fighting the front end before you can even see the back of it coming out of the bush. It's got two pairs of scythes attached where wings might be on a dragon. They're called kaiser blades; I don't know why, but I've seen what they can do. They sweep through marine battle armor like it's tinfoil. You can unload a C-14 at an ultralisk until the barrel melts, and you'll only make it mad. Correction: madder. They're already mad. Ultralisks get out of bed mad and hungry. When they're done slashing you to bits, they stomp on the pieces of you before you're all the way dead."

- Sergeant Norwood Doakes(src)

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Rampaging ultralisk

The ultralisk is a zerg heavy ground unit.


"But by far the biggest zerg baddass of them the aptly named ultralisk."
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An ultralisk during the Great War

The ultralisk is a living battering ram, evolved from the docile brontolith; a creature that the ultralisk now bears little resemblance to.[1] Ultralisks serve as the backbone of the Swarm, possessing an exceptionally thick carapace.[2] Dominion scientists suspect that the larva's highly resistant carapace served as a template for enhancements to the creature.[3]

Ultralisks are the most powerful ground strain the Swarm possesses and their DNA is the "final viable code" utilized by larvae.[4] Ultralisks attack using large, bone-like scythes which protrude from their backs. Known as "kaiser blades", these scythes are nearly indestructible.[1] Possessing monomolecular edges,[5] these scythes are able to tear through most substances with ease.[1] An example of their might: a handful of ultralisks were "responsible for the death of an entire Confederate garrison" on Timul IV.[5]

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An ultralisk

Ultralisks have been submitted to countless genetic experiments.[4] By 2500 at least some ultralisks sported four kaiser blades[6] as opposed to the usual two.[1] By the Brood War, prolonged exposure to vespene gas had resulted in an enhancement to the ultralisks' physical capabilities, among which was the evolution of a more hardened exoskeletal shell and the ability to carry out anabolic synthesis, alterations being made to the glands that produce endorphins and adrenal fluids.[2] Ultralisks have been studied by terrans to a significant extent, Avernus Station[7] and the Castanar space platform[8] serving as examples.

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The following article or section contains lore from the StarCraft RPG, which is not regarded as canon. Elements may be regarded as 'flavor lore' however.

The ultralisk is 20 meters long and 5 meters tall.[9]

Game Unit


For StarCraft gameplay information see: Ultralisk (StarCraft).

StarCraft: Ghost

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The ultralisk in StarCraft: Ghost

Ultralisks appeared in StarCraft: Ghost[10]

StarCraft II

For StarCraft II gameplay information see: Ultralisk (StarCraft II).

Heroes of the Storm

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The following section contains information from Heroes of the Storm and is not canon to StarCraft continuity

Kerrigan can summon an Ultralisk in Heroes of the Storm.[11]

Known Ultralisks

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An ultralisk

Variant Strains


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An ultralisk


The ultralisk is often nicknamed "ultra" in online culture (most notably among Korean players).

An ultralisk skull can be spotted in the background of the first act of Diablo III,[12] in the Ancient Pyre, an area that sometimes appear within the Southern Highlands. [13]


  1. 1.0 1.1 1.2 1.3 Underwood, Peter, Bill Roper, Chris Metzen and Jeffrey Vaughn. StarCraft (Manual). Irvine, Calif.: Blizzard Entertainment, 1998.
  2. 2.0 2.1 Underwood, Peter, Chris Metzen and Bill Roper. StarCraft: Brood War (Manual). Irvine, Calif.: Blizzard Entertainment, 1998.
  3. 2014-07-31, Larva Science. Blizzard Entertainment, accessed on 2014-08-08
  4. 4.0 4.1 Units: Ultralisk. Blizzard Entertainment, accessed on 2010-08-24
  5. 5.0 5.1 Ultralisk (Zerg strategy guide). Blizzard Entertainment. Accessed 2007-10-27.
  6. Giffen, Keith and Simon Furman (w), Federico Dallocchio (p, i), Milen Parvanov (col). "StarCraft: Issue 1" StarCraft 1 (1) (May 27, 2009) DC Comics (Wildstorm).
  7. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, Ghost of a Chance (in English). 2010-07-27.
  8. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Mission: Wings of Liberty, Piercing the Shroud (in English). 2010-07-27.
  9. Bill Slavicsek, David Eckelberry, Shawn F. Carnes. Alternity: StarCraft Edition. Wizards of the Coast, March 1, 2000. ISBN 0-7869-1618-4.
  10. 2007-03-18. StarCraft Ghost Trailer. Blizzard Entertainment/Youtube. Accessed 2007-04-18.
  11. 2014, Kerrigan. Blizzard Entertainment, accessed on 2014-06-22
  12. 2014-05-16, Celebrate Two Years of Diablo III With Undiscovered Easter Eggs. The Escapist, accessed on 2014-05-17
  13. 2014-05-16,Celebrate Two Years of Diablo III With Undiscovered Easter Eggs. The Escapist, acessed on 2014-05-18

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