Ergosphere Filter<br><img src="https://galaxylegion1-1faae.kxcdn.com/images//artifacts/ergofilter.png"/><br><br>Target: Your Planet<br><br>[ Planet Structure - Size:1, Cloak:150, Cloak Bonus: +20% ]<br>A critical energy-filtering component of Ergosphere Extractors.<br>Installs an Ergosphere Filter on your planet.<br>(limit 1 per planet)<br>How to Obtain:<br><br>