I have a theory that you'll once again take control of the Arbiter after Johnson and Keyes make ends meet with each other. As Master Cheif fights the good fight on the homefront, the Arbiter and the humans, along with a bit of rebellious Covenant head towards Earth. The Covenant literally rips itself to shreds.
On the homefront Cheif fights through ruined cities and wasteland deserts to get to the Ark. As the humans "claim" the last city, they ready their offensive. A huge battle breaks out on the ground while rebel Covenant help earth's forces else where. The Prophet of Truth gets to the Ark and activates it. All Flood infested Halo's (those that had Flood freed) are wiped clean of the alien parasite. Gravemind also expires and takes Cortana with him. Any stray Covenant left in the galaxy is destroyed.
I dunno. I just can't wait to get this game!!
On the homefront Cheif fights through ruined cities and wasteland deserts to get to the Ark. As the humans "claim" the last city, they ready their offensive. A huge battle breaks out on the ground while rebel Covenant help earth's forces else where. The Prophet of Truth gets to the Ark and activates it. All Flood infested Halo's (those that had Flood freed) are wiped clean of the alien parasite. Gravemind also expires and takes Cortana with him. Any stray Covenant left in the galaxy is destroyed.
I dunno. I just can't wait to get this game!!