SC2 blog Exclusive : Terran Harvesting Machines spotted. During the very first seconds of the initially released StarCraft 2 gameplay video the flying Protoss formation of multiple Phase Prisms and Phoenixes grab the attention, but it’s what lies beneath the Protoss armada you should be looking at. Beneath the units, there are several very awkwardly [...]

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I really hope it's a new harvesting unit, capable of deploying near a mineral patch.

Sounds cool to me.