Even though their technology is incredibly advanced when compared to that of other species, the Protoss constantly strive to enhance and refine their weapons and armor. Work at the great Forge rarely ceases, as this edifice is where much of this research takes place.

• Upgrade Ground Weapons: This upgrade enhances the weapons employed by the Probe, Zealot, High Templar and Dragoon.

• Upgrade Shields: This updage intensifies the shields of Protoss units.

• Upgrade Ground Armor: This upgrade strengthens the armor worn by the Probe, Zealot, High Templar, Dragoon and Reaver.