The Mining plot is a plot in a Clan Citadel that allows you to gain the resource Stone. It can be found on tier 2 citadels and higher. At Tier 2, it gains a stone staircase and a carved-out second layer. At Tier 3, it yields metal ores which can be used in a furnace to produce metal bars. At Tier 4, precious ore can be collected, which is used to make precious metal bars.