Confederation of Independants Colonies of Mankind

The Guardians of the Mantle of responsibility, mostly know as Guardians of the Mantle or the simply as the Guardians are a splitting group from the former Forerunner empire devoted to keep the mantle responsibility equaly divided to each races.

Firing the Halos Array
Upon the Halos activation, the Guardians of the Mantle were already out of range of the halos effect allowing them to survive the holocaust. On the Arks, they regrouped and prepare for a 100,000 years long exile in on of the other galaxy orbiting the Milky Way. Setting foot halfway between the Milky Way and the Andromeda Galaxy on the Triangulum Galaxy. This strategic area was used by The Cabal as an rendez-vous point before Jumping toward the Milky Way Galaxy.

Return
Understanding the capabilities of The Cabal and fearing a destabilization of the Mantle of Responsibility, The Guardian launch themselves in a pursuit operation to stop the Cabal. Fortunately for them their advance knowledge in slipspace allowed the Guardians to arrive first in the Milky Way in the edge of the UNSC newly established territory. There, they hided from theGalactic Alliance of Free Species and didn't took contact with the alliance util the end of the 12 Systems Campaign.