The Architect.While running away from Providence, Rex encounters a group of engineers under attack by EVOs, and helps them. As thanks, the engineers lead Rex to their village, which is hidden from the world by a cloaking field. One of the engineers, Jacob, explains that the community consists of engineers who lost work after the Nanite Event, and are led by a man named the Architect who is building a tower capable of communicating with nanites on a global scale. While he grows fond of the community and their acceptance of him in contrast to Providence's coldness, Rex becomes suspicious of the Architect and investigates his tower, learning that he is in fact an android controlled by a malevolent artificial intelligence called ZAG-RS. ZAG-RS reveals that she intends to destroy all nanites, and all living things in the process, using the communications tower. Rex exposes the Architect's true nature to the townsfolk, and together, they are able to deactivate the tower and seemingly destroy ZAG-RS. Rex then returns to Providence, on the condition that he, Bobo, Six, and Holiday have meals together every Friday, like Jacob's family.