- Links beneath the planets surface to all Obelisks, granting each of them with a health bonus. - Is able to further improve all Obelisks, by granting a single artifact power normally only attainable by a Necron Lord. - Once this single artifact power is chosen, all Obelisks will have a permanent higher power cost requirement. - If destroyed, Obelisks artifact power will be inaccessible until the Pulse Beacon is restored.