Great Upgrade
From MediaWiki
The Great Upgrade, as referenced by Optimus Primal while visiting the ruins of [[Iacon ([polity)|]], was "the great upgrade from Autobot to Maximal". Sparkwar Pt. II: The Search This would likely have also been the point at which certain Decepticons, such as Ravage, were turned into Predacons. The upgrade emphasized fuel efficiency from reduced size, similar to the Micromasters.
