Absolute Record

The Absolute Record is a Forerunner location associated with the Janus Key. In 2558, the Librarian's stored personality on Requiem instructed Dr. Catherine Halsey to take the Janus Key to the Absolute Record. After the events on Aktis IV, Dr. Halsey and Jul 'Mdama managed to acquire both halves of the Janus Key, revealing the location of the Absolute Record.

List of appearances

 * Halo 4
 * Spartan Ops
 * Halo: Escalation