What building should I upgrade for the defense of my city?
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What building should I upgrade for the defense of my city? How does it work?
The Garrison. It has a function for City Defense. You have to add it 80 units every 30 minutes till you get to 8,300 for maximum protection. And yes, also the Towers, but the drawback there is needing the diamonds to purchase Alloy Barrels.
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