The Banished was a Covenant splinter faction led by the Jiralhanae Chieftain Atriox. It encompassed members of several species, including Jiralhanae, Sangheili, Unggoy, and Mgalekgolo.
The Banished existed as its own organization separate from the Covenant, fighting against it before the Great Schism.
At some point during or before the The Reclamation, The Banished arrived at Installation 00.
In 2559, the crew of the UNSC Spirit of Fire encountered them.
The Banished use a variety of ground vehicles. These include the Blisterback, the Reaver, the Marauder, the Type-26 Assault Gun Carriage, the Type-25 Rapid Assault Vehicle and the Type-32 Rapid Assault Vehicle.
The Banished utilised the Shroud and Blisterback as well as their own variants of the Type-26 Ground Support Aircraft and Type-25 Troop Carrier.
Atriox, the Banished Chieftain.