Miner's Efficiency is the level 3 research technology in the category Artifact Mastery. It increases the mining rate of Iron, Crystal and Gold by 25%.
Research Cost : 200
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.