Unidentified Forerunner planet
From Halopedia, the Halo wiki
This unidentified planet is a world that was part of the Forerunner ecumene prior to the Flood invasion, culminating in the Forerunner-Flood war. The surface of the planet was covered in massive Forerunner structures and glyphs.[1]
Trivia
- The Forerunner symbol for the number "0" appears throughout the planet's surface. This is also the symbol for the Iris campaign.