A lab and workshop that reduces incoming damage by the respective percentage. The Defense % cap is 98%.
You unlock this lab in Milestones by reaching Tier 5 wave 30.
Consists of 99 levels, each increasing with 0.5% for a total of 49.5%.
The Extra Defense Card adds additional % to the base workshop amount.
The Defense % Perk adds additional % to the base workshop amount.
The Defense % sub-module effect adds additional % to the base workshop amount.