Fortress of Solitude: Sunstone Matrix

The Fortress of Solitude: Sunstone Matrix is an area within the Fortress of Solitude where Superman stores the fortress' supply of Kryptonian Sunstone Crystals.

In-Game History

 * Brainiac has been purged from the Fortress, but General Zod has taken control of the Sunstone Crystal Matrix. If left unchecked, Zod's new Kryptonian Army will use the power of the Sunstones and the Fortress to storm the Earth!