The Baneling (bottom right in image) is an evolved Zergling, which rolls along the ground until it arrives at a target. It specializes in attacking buildings en masse, a kind of land-based version of the flying Scourge.

Click on through for the new Baneling unit details.

Now

• 190 damage per Baneling (40+150 to building)
• Increased splash range (100% damage taken throughout range)
• Can be well positioned to hit multiple buildings
• Larger & Movement Speed Slower (possible to defend with focus fire)
• Counters Zealots, Zerglings, base Marines (not upgraded) -More Narrow window of use

Before

• Fast and small- Unable to defend against (focus fire)
• Countered virtually all ground units