"The difference between the old Covenant and the new Reconciled becomes abundantly clear (which is a phrase that cannot be said without doing your best Halo 2 Truth impression) when you cross a creek running through the forest and start to notice the details of their actual encampment.
The former glory the Covenant held in the great war is gone, replaced by a mere fraction of its old power. Their armor is battered and broken, their vehicles scratched, rugged, and patched, the standard Covie crates are dented and losing color, and power conduits lay free, sparking from garbled radio terminals. Even the cruiser itself looks heavily repaired from this far down..."
This is a sketch from the latest Shield and Sword update that has been posted, imagining through art and text what the fifth level of an imaginary Halo 4 might be like. See and read a bunch more about it here:[link]
This post also includes artwork by other artists found at Halo.Bungie.Org and DeviantArt, like the awesome TDSpiral!