6Chapter 6: Amelia's Sanctuary
16Chapter 16: The Logic of Zero
7Chapter 7: Rules of a Mad World
17Chapter 17: A Dialogue with God
8Chapter 8: The Echo in the Tombs
18Chapter 18: The Sentinel Code
9Chapter 9: The Other God
19Chapter 19: Echoes in the Machine
10Chapter 10: Fractured Alliance
20Chapter 20: The Unplugged World