Sunaion

Sunaion is a Sangheili city located on Sanghelios.

History
Sometime in 2558, there was a engagement between the joint forces of the Swords of Sanghelios, the United Nations Space Command and Jul 'Mdama's Covenant faction. Fireteam Osiris, led by Jameson Locke, took part in the operation and aided the Swords of Sanghelios against Jul 'Mdama's forces.

List of appearances

 * Halo 5: Guardians