Covenant Campaign.
Maybe it can be from the perspective of the Supreme Commander (Who later becomes the Arbiter in Halo 2) and how he got to where he is now.
"May mother Sanghelios Watch over you."-
Srax Zolak[img]http://www.gruntsrus.com/tools/h3sg2/stored/cbc1bca88d57029109ab811bbe8c2547a77b8729.png[/img]