You can build mines on the kingdom map to get more resources and then send troops to harvest them. You can build mines to collect iron, stone, wood, silver, food, and gold. Unlike all other mines, gold can be built on any map tile. You cannot build mines on the territory of a clan you are not part of.The level of your mines depends on your city’s Capitol level. You can view more details by clicking “Building parameters” in your Capitol’s interface.
You would need a sufficient amount of Great Architect’s Blueprints to build a mine. The amount of Blueprints required increases with the mine’s level.Note that you can only have a maximum of two mines built on the kingdom map simultaneously.
Apart from building your own mines, you can also capture the ones generated by the game. Such mines have fewer resources and a significantly shorter life cycle on the map. Note that apart from mines available for construction, the game generates other unique mines, such as Dragon Mounds, Mountains of Gold, and Wellspring Ruins, that allow you to collect gold and tar, respectively. Mountains of Gold are only available in the kingdom that won in the Clash of Kingdoms tournament.
The base harvesting speed varies depending on the resource — the more precious the resource, the slower the harvesting. The total amount of resources harvested depends on the total carrying capacity of the troops sent to the mine.