The Arachnalisk is a towering, powerful strain of Zerg, developed years after the events of Brood War. Believed to be evolved from the Ultralisk, it moves on eight legs (as its name suggests) with surprising speed for its size. Although it is ground-based, it is large enough to scale cliffs. It attacks with massive claws at the ends of its legs, and it remains to be seen whether it can attack air units.

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