Lol, get an army of shield batterys healing your protoss army that is halfway across the map killing enemies
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Actually, you can make a unit do the above, but only one of the shield batterys will actually be restoring the unit's shields.
Yes, I tested it in ffa games and I made my own map to see if it works in UMS... My next step is to test to see if I can expliot this bug even if the unit is 40 sqaures away from the shield battery.