Megatron frowns, feeling like that isn't the whole answer, but he doesn't press it, just nods and moves on to the explanation he promised. He likes Ultra Magnus, as much as he likes anyone on the Lost Light, and he'd prefer not to get off on the wrong foot here – which is kind of a joke, really, because he's been getting off on the wrong foot with Ultra Magnus for four million years, or for however long Minimus Ambus has been Ultra Magnus, but all the same...

"In exchange for my agreement to publicly dissolve the Decepticons, Optimus agreed to let me join the quest for the Knights of Cybertron," he explains. "I was convinced I could do a better job of it than had been done so far... which was, perhaps, overoptimistic of me. As for how I defected... I saw the error of my ways; do you find that at all plausible?"