Why are shields always the last upgrade researched by the pros?
I've been watching a lot of pro replays ever since the SC2 beta came out, and I've noticed that almost always, when Protoss research upgrades, the shields are the last research chosen. Why is that? Seems to me that if anything, shields should be the most important upgrade, as they affect all Protoss units and buildings.
Best Answer
There is a great post by aimless at teamliquid. Some summary from it:
- shields are expensive and long upgrade
- because almost all units have initial armor it's better to have 2/0 than 1/1 armor
- there are cases when it's good to have shields upgrade: when you committed to stalkers harassment or heavily use archons
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