Time 2 expands on this slightly, Even with him seemingly dormant Yet again, as his blood is used to repair the Nemesis, which works but inadvertently can make it sentient (it was once Trypticon) and afterwards applied like a ingredient in forging the Dark Star Saber- which shatters the Star http://bookmarkswing.com/story8766627/helping-the-others-realize-the-advantages-of-transformers-rise-of-unicron