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Strength of the Vault
Strength of the Vault.png
Faction VaultersIcon.png Vaulters
Obtained ResearchIcon.png Research Era III
Type Improvement.png City Improvement
Focus MilitaryIcon.png Military
+100 Fortification FortificationSmall.png on City
+5 (+15 with ELCP) Fortification Recovery FortificationSmall.png per turn on City
The VaultersIcon.png cost indicates that the Holy Resource has to be chosen
IndustrySmall.png Production 250 IndustrySmall.png
StrategicIcon.png Resource 10 VaultersIcon.png
DustSmall.png Upkeep 1 DustSmall.png per turn

A city improvement exclusive to the Vaulters obtained from the Strength of the Vault tech in Research Era III.


The coming together of the Vaulter clans has led to unprecedented cooperation. Bringing together all their knowledge of defensive hexes, spells, tactics, and weapons, city defenses greatly improve.