The Trap Research Upgrade: Sniper Nest unlocks the Sniper Nest defense unit, good vs Demolition Units. Upgrade requires level 22 Research Lab, Level 10 Defense Durability & Level 1 Sentry Turret.
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The Trap Research Upgrade: Sniper Nest unlocks the Sniper Nest defense unit, good vs Demolition Units. Upgrade requires level 22 Research Lab, Level 10 Defense Durability & Level 1 Sentry Turret.