Halo: Escalation Issue 23

Halo: Escalation Issue 23 was released on October 28, 2015 and is the twenty-third comic in the Halo: Escalation series.

Plot summary
On September 18, 2558 at 0317 MST, Dr. Catherine Halsey is about to enter into the Absolute Record while four Phantoms protect the entrance. She receives an holographic projection of the Librarian, who tells her that the answers she seeks are inside the chamber and it also contains everything Halsey needs "to begin their work". In another area of the Absolute Record, Spartans Sarah Palmer and Holly Tanaka are fighting against several Ibie'shan Kig-Yar. During the fight, they are ambushed by a Lich, and the Spartans and Dr. Glassman take cover but two Sangheili Zealots find them. An Aggressor Sentinel kill both Zealots and the Contender AI contacts them through the Sentinel, advising them to follow him to a secure location.