Arc 16The Sirius-4 Infestation
Umbrella uncovered Hozette Corporation’s secret Xenomorph research after an outbreak devastated Sirius-4, then brought the infestation under control through evacuation and bombardment. William left Sirius-4 with Hozette’s research data secured, refugees gathered in City Five, and a promise to care for orphaned children.
- Athena convinced Achilles to return to the mortal world and train John and Mylon, and Achilles was resurrected at Minos Island.
- Umbrella’s agents infiltrated Hozette Corporation’s operation on Sirius-4 and discovered a biological spacecraft, Xenomorph eggs, and a laboratory beneath City Seven.
- Xenomorphs escaped into Dome Cities Six and Seven, overwhelming UNSC and Hozette forces and driving the colony toward disaster.
- Hicks and Robert fought to evacuate City Five as William brought Fleet Zero to Sirius-4 and ordered the evacuation of civilians and the destruction of City Six.
- William, Blue Team, and the Shadow Team entered the City Seven hive, retrieved Hozette’s research records, and found captives, Facehugger eggs, and a humanlike Reverse Strain guarded by Alien Praetorians.
- The Endless bombarded City Seven, while Keisha’s Bio-Shield helped Hicks and his team eliminate the Xenomorphs and Facehuggers in City Five.
- William met the refugees in City Five, ordered Serena to erase their memories and recordings of Keisha, and agreed to fund the care of children orphaned by the attack.
- William promoted the colonial agents, and Serena recorded the wounded and sent footage of Hozette’s experiments and the attack’s victims back to the Solar System.