But Galvatron chafed in Unicron's service and instead awoke Primus, who possessed Emirate Xaaron and teleported every Transformer back to Cybertron in order to unite them, as Unicron attacked the planet.

At some undefined point in Cybertron's ancient past, it was attacked by Unicron, who was fended off by the planet's guardian, Omega Supreme.

However, the sudden escalation in the Autobot / Decepticon war caused by the Mini-Cons ' reawakening had resulted in a vast increase of the hatred and " negative energy " that powered Unicron, who soon shed his moon disguise and attacked the planet in his re-energized gargantuan robot form.

Guided by Unicron, Megatron gathered the remnants of his army and attacked Cybertron once more, using the destruction as a cover for his true motive-to acquire the power of the Super Energon, which transformed into Galvatron.

In the Earth year 2020, when Megatron attacked Cybertron with Unicron, he instructed some Decepticon agents on the planet to liberate Shockblast.

He is among the Mini-Cons assisting the Autobots and Decepticons evacuating from Cybertron when it was attacked by Unicron.

They took a Quintesson ship to the planet of Junk and were with the Autobots when they attacked Unicron.

This led to the fears and doubts which eventually resulted in his alliance with Optimus Prime, and, in his attempt at redemption, he attacked Unicron with his bare hands and was melted by the chaos-bringer's fire breath.

They took a ship to the planet of Junk and accompanied the Autobots when they attacked Unicron.

They took a ship to the planet of Junk and were with the Autobots when they attacked Unicron.

During this visit, however, they were attacked by Ramjet and Nemesis Prime, heralds of Unicron who sought to orchestrate their master ’ s rebirth by destroying Primus.

Exposed to the reformatting powers of Unicron, the team were upgraded with new, more powerful Hyper Modes, and attacked the AlterEnergy facility in Australia on Earth-during which Battle Ravage pursued the human, Kicker — only to be stopped by the Autobots.

However, when Unicron attacked Cybertron once again, Perceptor was one of those who battled Soundwave, forcing him to flee.

* The giant black hole known as the Unicron singularity in Transformers: Cybertron.

In Crossing Over, when Skyfall and Landquake were presumed killed in the midst of a bloody Mini-Con civil war and attack by Unicron ( set concurrently with the events of Transformers: Cybertron ), they were, in actuality, transported across universes, from the world of the Unicron Trilogy into the Marvel Comics timeline.

Galvatron then attempted to use the Matrix against Unicron, provoking him into attacking Cybertron.

The Dinobots returned to Cybertron with the nucleon, and arrived in time for the battle with Unicron.

At that point, Cybertron was believed to be dying as a result of the battle with Unicron, and the Autobots and Decepticons were co-operating to evacuate.

In the U. S. comics, Starscream went on from his rebirth as a Pretender to join up with Shockwave in instigating the Decepticon Civil War, and was transported to Cybertron along with all the other Transformers in preparation for the battle against Unicron.

These two sides would unite to fight the Chaos Bringer, Unicron, when he threatened to devour Cybertron.

The true nature of the Creation Matrix then became apparent as the threat of Unicron bore down upon Cybertron.

That darkest hour soon came upon Cybertron in the form of the world-eater, Unicron, who knew that the Matrix's power was the one thing that could destroy him.

Accompanied by Ramjet, Nemesis Prime infiltrated the Spark Chamber of Primus on Cybertron, the Champion of Unicron planning to drain Primus ' Spark with the Dead Matrix and use it to resurrect Unicron.

However, in later depictions the art suggests Cybertron is much smaller, particularly during the attack by Unicron ( detailed in On the Edge of Extinction in UK # 319 to # 322, US # 75 ), where the scale differences between humans, individual Transformers and the ‘ planet-sized ’ Unicron suggest Cybertron to be closer in size to the earth's moon, as depicted in the cartoon continuity.

Cybertron has a metallic surface, although whether this extends to the core is debatable: in The Legacy of Unicron ( UK # 146 to # 151 ) and later in Primal Scream ( UK # 259 to 261, US # 61 ) it is revealed to have originally been ‘ space junk ’, the composition of which is unknown.

Although Optimus Prime was able to use the Creation Matrix to destroy Unicron, it seemed that Cybertron was to meet its end by other means-tremors and storms began to pervade the planet, which seemed to be tearing itself apart, forcing the remaining Autobots and Decepticons to flee.

It also depicted Cybertron in a fully realized ' robot mode ' as Primus, something never even hinted as a possibility before in the original toyline or comics by Marvel, but which became a reality in Transformers: Cybertron, which was the first television series to not only depict Cybertron as having the same transforming capability as Unicron, but also showing it occurring within the show.

The Decepticons have conquered the planet by 2005, and Cybertron is seen to have at least three moons, two of which are consumed by Unicron.

In the miniseries, Cybertron, Primus ' material body, is inhabited by Mini-Cons as well as Autobots and Decepticons, who are unaware the Mini-Cons were weapons forged by Unicron.

The presence of a sentient energy core named " Primus " at the heart of Cybertron in the Armada / Energon universe suggests its history is some variation of the Primus / Unicron legend.

In the Unicron Trilogy continuity, the early history of the war is not expounded upon.

Believed to be the children of an old god by early humans, the creatures found themselves confronted by another creature believed to be a god ; Unicron, the Chaos-Bringer, had come to Earth to devour it to feed his own hunger.

The Autobots deflect two attempts and the victims end up on a frozen planetoid instead of with Unicron.

To show Galvatron the error of his ways, he challenged him to a duel in which he allowed Galvatron to run him through with the Star Saber, and then turned his firepower on Unicron, right after he demands Galvatron to join forces with Optimus Prime to stop Unicron.

The city then received messages from the bases on Cybertron's moons being devoured by the transformer demi-god Unicron.

The reactivation of the Mini-Cons on Earth gave the Autobots an opportunity to gain Mini-Con power of their own, but eventually the Decepticons were beaten not by them, but due to the attack of Unicron.

Unicron was created by the insane genius, Primacron, but turned on him.

In a final gamble, Primus returned to the physical universe, with Unicron following on his heels, eager for the kill-unaware that Primus was luring him into a trap.

The Keeper was then struck down by the Mayhems, and the battle that followed briefly awakened Primus, who unleashed a single scream that was heard on the fringes of known space ... by Unicron.

As Unicron bore down on the planet, he sent an agent, Galvatron, ahead to sow terror in his name.

The second ( told by the Primus Chamber's Keeper ) had the two as the last of their respective pantheons and Primus needing to stop Unicron before he could pass on from this realm.

An American-written trading card suggests a story similar to that of the Dreamwave universe-Primus and Unicron are twin heralds, but Unicron turns on Primus and fells him, casting his body into the orbit of a nearby star ( alpha Centauri ).

After a series of attacks on the planet, during which Primus's chamber was penetrated by Terrorcons, a reaction between the negatively charged Energon within Unicron's body, and the positive Energon used by the Autobots caused a rupture in space, leading to a new sector of the universe where the planets consumed by Unicron had been recreated.

The second ( told by the Primus Chamber's Keeper ) had the two as the last of their respective pantheons and Primus needing to stop Unicron before he could pass on from this realm.

When the Transformers: Armada series came to feature a new incarnation of Unicron, the Fleer series of trading cards included on this Unicron's card a biography that mentioned Primus and told an entirely new story for this universe.

Unicron was a flawed being, and he eventually turned on his brother when they discovered a region of space rich in Energon.

Primus guided Kicker's father, Doctor Brian Jones, to a subterranean temple on Cybertron, where they awoke the legendary Omega Supreme, who Powerlinked with Optimus Prime into " Optimus Supreme " to aid in fighting Unicron.

After performing a " test run " on the moon of Protos, where he successfully created twelve transforming robotic beings, he birthed from his own body a group of thirteen robots that possessed the ability to change shape, like Unicron.

It was also at this point that it was established that Primus could transform from Cybertron into a robot mode like Unicron, but preferred not to, choosing to remain connected to the universe on a planetary level.

After the destruction of Unicron, the Quintessons launched an all-out assault on the Transformers, in an attempt to reclaim Cybertron.

Taking the form of Unicron and rendering judgement, they turned their " planetbuster " on the Earth, which began detonating the massive deposits of energon on the planet, only to have the planetbuster destroyed by Optimus Primal in a transwarp explosion.