An attack on a facility on Uxor destroyed the surrounding structure, which exposed a Red Marker. Moments later, the Red Marker activated and unleashed a surge of electromagnetic energy powerful enough to shut down the flight control system of a ship in orbit, which crashed near the residential district. A Necromorph outbreak ensued following the activation of the Marker and began attacking the survivors.
- The planet has a mass of 5.9736x1024kg and a mean radius of 6,371km making it, oddly enough, a planet of the same size and mass as Earth.
- Uxor means "wife" in Latin.