Elios Core Mine<br><img src="https://galaxylegion1-1faae.kxcdn.com/images//artifacts/ecoremine.png"/><br><br>Target: Your Planet<br><br>[ Planet Structure - Size:1, Mining:4, Artifact:2 ]<br>Also increases mining production by 10%.<br>Can only be built on planets with an 'Elios Solar Drill'<br>that has been upgraded with a Solar Inverter.<br>Limit 1.<br>Cost:<br>Energy: 500<br><br>How to Obtain:<br><br>Eligible Artifacts:<br><br>