- Decreases in price the more Obelisks you build.
- Emplaced turret equipped with a Gauss Flayer.
- Effective against infantry units.
- Detects infiltrated units.
- Permanently upgrade the weapon on this turret to a Heavy Gauss Cannon.
- The Heavy Gauss Cannon is more effective at penetrating vehicle armor.
- Effective against Aircraft and Vehicles.