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Arriving at the Unicron where the Decepticons are, the Autobots launched an full assault and attempt to fight their way into Unicron's core area, activate the Energon shockblast and hopefully destroy Unicron from within. However, Galvatron having full control on the planet, was able to manipulate Unicron's interior, forcing Miranda II to retreat.

Unable to make any significant damage on Unicron, Grand Convoy ordered Miranda II to retreat, activating the wormhole, they raced towards it with Unicron and the Decepticons gaining on them. Galvatron, assured that he can crushed the Autobots now, ordered the Decepticons to attack the ship, while the Autobots, trying to defend the ship as it make the jump, as both "bulks" battle in their alternate form, the ship entered hyperspace, but Unicron and the cons were able followed them into hyperspace.

As both parties come out of hyperspace, thinking the Autobots would flee to Earth, Galvatron was surprised to find that they have arrived on Cybertron. Optimus Prime actually wanted to lure Unicron to Cybertron all along, into the firing range of Cybertron's planetwide Energon towers. Against the combined power of the energon towers, Unicron took alot of damage and in the end Galvatron have no choice but to make an hasty retreat.