He nods at first, looking a bit confused as to where the other is going with this, but then..then his expression changes into a rather shocked one.

"Pulling..Cybertron to Earth?" he repeated, unsure whether to be terrified of the idea of such a thing or disgusted that Decepticons would go that far. He can't even fathom attempting something like that and to think that the connection was broken and the planet was--was...

"That's horrible..."