The climactic battle for the Halo begins. John makes a fateful choice. Soren and Kwan undertake a rescue mission. Halsey and Miranda unleash an ancient horror.
Episode rating
Cast of episode
- Master Chief
- Dr. Catherine Halsey
- James Ackerson
- Admiral Margaret Parangosky
- Cortana
- Riz-028
- Dr. Miranda Keyes
- Kwan Ha
- Vannak-134
- Kai-125
- Makee
- Laera
- Talia Perez
- Captain Jacob Keyes
- Cortana
- The Arbiter
- Kessler
- The Monitor
- Soren-066
- Janine
- Lead Scientist
- Scientist
- Lt. Mullins
- Tech Jones
- The Mother
- Tech Smith