Barrier Nexus<br><img src="https://galaxylegion1-1faae.kxcdn.com/images//artifacts/shieldnexus.png"/><br><br>Target: Your Planet<br><br>[ Planet Structure - Size:1, Artifact:1, Defense:300, Defense Bonus:+20% ]<br>Constructs a Barrier Nexus on your planet.<br>(limit 2 per planet)<br>How to Obtain:<br><br>