Decepticon Morality Part 1: Starscream

Cybertron has been plunged into a civil war, with the fate of many other worlds as well as Cybertron itself at stake. Within this backdrop, near the head of the Decepticons, was Starscream. His cunning and ambitious characteristics could give him a great place in the tales of Cybertron's history, but at what cost? (This is not part of any preexisting universe.)