“Both high explosive shells and shrapnel were used as ammunition in anti-aircraft guns.”
Air Defense is a Level 7 Technology which increases the effectiveness of Air Defense buildings.
General InformationEdit Edit
|Chapter||Requirements||Cost Gold||Time||XP Gain||Description|
|1||Library Level 7||1,100,000||4h||520||Increases Air Defense attack by 10%|
|2||2,200,000||1d12h||760||Increases Air Defense health by 10%|
|3||3,300,000||3d||1,115||Increases Air Defense limit by 1|
|4||4,400,000||4d||3.947||Increases Air Defense health by 10%|
|5||6,600,000||6d||Increases Air Defense attack by 10%|
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