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Watchtower
Perimeter overwatch
Improves local base warning, detection confidence, and defensive readiness along the compound perimeter.
Theatre max level: 20
Unlock requirements
- Perimeter Wall level 3+
Overwatch and perimeter observation.
Upgrade cost & build time (before world speed)
Build times match the balance formulas. World speed accelerates resource production only, not construction calendar time.
- To Lv1: 26m 0s · C141 M1123 F140
- To Lv2: 31m 0s · C172 M1370 F171
- To Lv5: 49m 0s · C311 M2488 F311
- To Lv10: 1h 47m · C840 M6725 F841
- To Lv15: 3h 55m · C2272 M18176 F2272
- To Lv20: 8h 35m · C6140 M49124 F6141