Over the span of the last few megacycles, the Decepticons had "accidently" created a disease of tainted energon, which was going to be meant as a weapon to sabotage the Autobots...

That was until it started to spread and almostly completely envelope the entire planet's air and atmosphere with a yellow fog, which left the planet under a total lockdown and many resources almost unusable and extremely limited...

Not much is known about the infection at the moment. Not even any kind of cure or available vaccine. However, so far, there are known to be multiple stages of infection, although it is unknown to exactly how many stages there are. For all we know, there could possibly be hundreds...

(Please start with a prompt containing the name of a character or your own OC to begin...)