Sac

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	the terran drop pod

Sacs (a.k.a. drop pods)^[1] are zerg aerospace insertion strains.^[2]

Game Unit

StarCraft II

Wings of Liberty

In Wings of Liberty, sacs deploy units onto the map like drop pods. They continue to drop even if the main zerg bases are destroyed,^[2] entire hatcheries and buildings, and creep tumors off of creep.^[3]

Heart of the Swarm

In Heart of the Swarm, Sarah Kerrigan can summon sacs that deliver 40 primal zerglings, 5 primal roaches, and 5 primal hydralisks.

Co-op Missions

In Co-op Missions, Zagara can use sacs to deal area damage and summon roaches with timed life.^[4]

Heroes of the Storm

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

Sacs can be dropped by Zagara in Heroes of the Storm,^[5] dealing damage in an area upon impact and summoning two to three roaches based on her talent choices. They are also summoned by zerg attack waves on Braxis Holdout occasionally when guardians or ultralisks attack.

Notes

The unit plays two sounds, but the animation must be slowed to hear both individually. The distance that eggs are ejected upon landing decreases as the animation speed decreases.

References