

Such volcanic activity, if present, would have to be artificially induced as the Halo rings, due to their shape, lack the tectonic movement necessary for natural volcanic activity.Ģ7 October 2015 History Forerunner-Flood War īefore the Halo rings were fired, the Librarian hid the Co mposer away from the Ur-Didact on Installation 03 to prevent him from composing the rest of the human race into ancillae for his Promethean warframes.

Very little is known about this installation, and it has yet to be directly observed, though it appears to have a red and cracked surface, indicating vast deserts and what appears to be volcanic activity. All seven rings could be fired at once if need be.

Once one ring is set off all remaining rings would activate. In the event of a Flood outbreak, one of the seven installations could be triggered to annihilate all sentient life within 25,000 light years. The purpose of Installation 03, along with its brethren, was to preclude and thwart the parasite forms known as the Flood from consuming all sentient life in the galaxy.
