Arc 13From Outbreak to Water Sprite
The Ancestor virus outbreak was contained with help from Elizabeth Green and 049, while William organized a new Containment Task Force and launched the Astartes program. After spending time with his family, William reviewed a new case involving a Water Sprite, whom Kolax rescued from ISIS terrorists.
- Carter and Noble Team joined other Spartan teams to attack the rebel camp, then fought through a zombie horde after the Underground Facility released an ancient bioweapon.
- As the virus spread through Iraq, William told Andre that Elizabeth Green could find asymptomatic carriers and 049 could help contain the outbreak, and both arrived to assist.
- Ryan Klozer rescued a girl from zombies before Limit Team saved them, while 049 began developing a vaccine and Green identified infected patients.
- Green helped the UNSC and Umbrella clear infected settlements, and 049 developed a vaccine as Umbrella began mass production and the outbreak came under control.
- William formed the Damocles Task Force with Carter's Noble Team and the Containment Objects 049, Elizabeth Green, and the Nine-Tailed White Fox, while Andre stayed to oversee Middle East security.
- William and Halsey devised the Astarte program using Spartan genetic primarchs, and researchers tested modified subjects before developing Ceramite Armor and Bolter Weapons for the planned unit.
- William spent Children's Day with Halsey, Yelena, and Ivan at a school gathering and mall event, where Andre also joined them with Xiya.
- Kolax infiltrated an ISIS manor, killed the terrorists holding a Water Sprite, and secured the anomaly for Umbrella technicians to transport.