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This article concerns unit lore. You may be looking for:
The ultralisk is a zerg heavy ground unit.
Ultralisks are the most powerful ground strain the Swarm possesses and their DNA is the "final viable code" utilized by larvae. Living battering rams, ultralisks serve as the backbone of the Swarm, and serve as its siegebreaker.
Ultralisks attack using large, bone-like scythes which protrude from their backs. Known as "kaiser blades", these scythes are nearly indestructible. Possessing monomolecular edges, these scythes are able to tear through most substances with ease. The density, bevel, and edges of these organic weapons are honed at the genetic level. By 2500 at least some ultralisks sported four kaiser blades as opposed to the usual two. By the Second Great War, four blades were the standard.
Ultralisks possess an exceptionally thick carapace. Dominion scientists suspect that the larva's highly resistant carapace served as a template for enhancements to the creature. Preliminary tests on the carapace itself proved that the diamond-shaped, chitinous scales of the creature were combined with foreign compounds and organic tissue multiple times, resulting in very light plates with an unmatched level of hardness. A gene also exists within the ultralisk's genetic code that exists with the sole purpose of growing heavily armored copies of the beast’s primary organs in random locations of its body. The brontolith's immune system was improved on for the ultralisk, allowing it to thrive in the most toxic and inhospitable environments the galaxy has to offer.
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. By the Second Great War, the strain had received substantial additions to its internal structure—a complex sensory system, an auxiliary nervous system, and specialized muscle fibers that expand or contract in reaction to stimuli. Through this, an ultralisk can maintain speed even with its hind legs severed.
Ultralisks evolved from the docile brontolith; a creature that the ultralisk now bears little resemblance to. The brontoliths' genetic code was dissected, rebuilt and repurposed multiple times. Each phase of the process served to eliminate less desirable traits, as well as augment the creature’s ability to withstand severe punishment. This included the creature's supurb immune system. As a finishing touch to the ultralisk, the Swarm added the gene that would replace the creature's organs.
When terrans first encountered ultralisks on the battlefield, they observed that the creatures seemed to suffer balanace issues, and were easily toppled by artillery fire or loss of limbs. By the Second Great War, "unstoppable" ultralisks had been observed. The additions to their internal structure were revealed, but the data offerred very little in the way of finding a counter to the creature. Second Great War ultralisks were also noted to have a greater amount of Kaiser blades, as well as a higher amount of carapace armor.
Ultralisks have been submitted to countless genetic experiments. Ultralisks have been studied by terrans to a significant extent, Avernus Station and the Castanar space platform serving as examples. During the final stages of the Second Great War, Sarah Kerrigan was able to reconstitute the Ultralisk strain from test subjects at the Skygeirr Platform laboratory. Research stations in Korhal allowed Kerrigan to also assimilate the Noxious strain of ultralisk, as well as reconstitute the Torrasque strain.
The ultralisk is 20 meters long and 5 meters tall.
- For StarCraft gameplay information see: Ultralisk (StarCraft).
- For StarCraft II gameplay information see: Ultralisk (StarCraft II).
Heroes of the Storm
- Blade Guardian
- Gigalisk (cut content)
- Magnathar (cut content)
- Primal ultralisk
- Zergrinch Juggernaut
The ultralisk is often nicknamed "ultra" in online culture (most notably among Korean players).
A kaiser blade is a hooked steel blade at the end of a (usually wooden) handle.