Allows your troops to gather Gold on the map.

Upgrade Table

Internal clipboard Please note
The research times listed below assume no research bonuses are active, such as those from technologies, alliance technologies, or VIP perks. While we cannot predict your research time, it will likely be less.
Level Requirements Costs Time Power
1 Masonry Level 1
Academy Level 10
Resource icon food 50.0K
Resource icon wood 50.0K
Resource icon stone 37.5K
30m 384

Upgrade Rewards

Advanced Research — Research Metallurgy in the Academy (edit)
Level Reward
Resource icon food Food Resource icon wood Wood Resource icon stone Stone Resource icon gold Gold
1  ?  ?  ?  ?
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