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Colossus Titan

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The Colossal Titan (超大型巨人 Chō ōgata Kyojin?) is an evidently intelligent Titan and humanity's greatest threat. It first appeared five years ago during the fall of Wall Maria and returned five years later at Trost.

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Quote1 You're facing humanity's greatest enemy! All troops, attack! Quote2
— Hange Zoë leads an attack on the Colossus[1]

The Colossus Titan (超大型巨人 Chō ōgata Kyojin?) is one of the Nine Titans noted for its incredible size and significant control over the steam emitted by the Titan form. It is currently in the possession of Armin Arlert.


Steam emission

The unique ability possessed by the Colossus Titan appears to be significant control over the amounts of steam emitted by the Titan form. In normal circumstances, Titans emit steam from wounds, and their bodies evaporate completely into steam after receiving a killing blow. The Colossus Titan is capable of emitting great amounts of steam at will. This power can be used for a variety of purposes. By emitting great amounts of steam at once, the pressure and force of the steam will burn and repel any individuals in close proximity to the Colossus Titan that are not fixed in place.

However, prolonged use of this ability takes a toll on the Titan, decreasing muscle mass gradually until only the skeletal structure remains. In some cases when it is necessary, the Colossus Titan is capable of evaporating its entire body at once, disappearing instantly. This puts the user in a position of great vulnerability, with no way of preventing a fall from a great height where the Titan form once was. However, this disadvantage can be alleviated if the user is wearing vertical maneuvering equipment.

Bertolt Hoover

Bertolt Hoover's Colossus Titan was infamous for its incredible size, standing at a previously unseen 60 meters, high enough to peer over the top of the Walls. Despite the "Colossus Titan" name being used by both Eldia and Marley in reference to Bertolt's Titan, it cannot be said for certain whether the size of Bertolt's Colossus Titan was a trait possessed by all inheritors of his Titan or if it was exclusive to his own form. The mindless Titans which form the foundations of the Walls also possess incredible height and a lack of skin similar to Bertolt's Titan despite the former not possessing the power of the Titans.


The Colossus Titan, like all the Nine Titans, was brought into the world after the death of Ymir Fritz. In the 1,700 years following her death, the Colossus Titan was held in the possession of one of the eight warring Eldian houses subservient to the Founding Titan. After these seventeen centuries when the 145th King of the Fritz family abandoned the conflicts of Eldia and relocated to Paradis, the Colossus Titan was taken by the nation of Marley during the Great Titan War.[2][3]

The Colossal Titan Appears

The Colossus Titan appears over Shiganshina

At some point before the year 845, Bertolt Hoover was chosen to inherit the power of the Colossus Titan. Some time later, the nation of Marley sent out Bertolt, Reiner Braun, Annie Leonhart, and Marcel across the ocean to the island of Paradis as the start of the plan to regain the Founder. After arriving on the island and venturing northwards to the Walls, Bertolt transformed into the Colossus Titan outside the southern gate of Shiganshina District, the southernmost territory of Eldia. Using his immense size, Bertolt's Colossus Titan breached Wall Maria in one kick, allowing for the many Titans awaiting outside to enter into Eldia's territory. Bertolt joined his fellow surviving warriors in entering the walled territory during the chaos, and he would not use the Colossus Titan for another five years.


Battle of Trost District arc

Eren faces the Colossal Titan

Eren faces the Colossus Titan

Five years after the fall of Wall Maria, Bertolt and his allies graduate from the 104th Training Corps. The next day, Bertolt transforms into the Colossus Titan outside the south gate of Trost District, breaching the Wall as he did five years before. Before he can escape, his Colossus Titan is confronted by Eren Yeager seeking vengeance. Eren attempts to strike at the Colossus, but Bertolt makes use of his steam emission control and prevents Eren from getting close. As Eren fights against Bertolt's steam and comes in for the killing blow, the Colossus Titan evaporates instantaneously. As Eren attempts to comprehend the situation, Bertolt escapes under the cover of his Titan's steam using his vertical maneuvering equipment.

Clash of the Titans arc

Reiner and Bertolt transformation

The Colossus and Armored Titans transform

Due to the discovery of Eren's possession of the Attack Titan, the warriors postpone their plan to destroy the Walls and instead focus on capturing Eren, whom they believe possesses the Founding Titan as well. Bertolt does not make use of the Colossus Titan until a month after the battle of Trost District, when Reiner in a moment of exhaustion and desperation reveals himself to be the Armored Titan and exposes Bertolt as the Colossus Titan. With nowhere to run, the two transform into their Titan forms and battle against the Survey Corps.

Bertolt steam release

The Colossus Titan's steam ability

As Reiner's Armored Titan battles Eren's Attack Titan, Bertolt fights against the soldiers of the Survey Corps with a partially transformed Colossus Titan. When the soldiers are ready to land a killing blow, Bertolt once more uses his steam emission control to keep them all at a distance, and their vertical maneuvering equipment is unable to reach him in the continuous gusts of wind. Bertolt's Colossus remains in this state of emission for a short time until Reiner faces imminent defeat in his struggle against Eren and calls for help. Hearing Reiner's signal, Bertolt falls to the ground below and evaporates his Titan in an explosive gust of steam. In the chaos, Reiner steals Eren from his Titan, and Bertolt joins him after leaving his Colossus.

Return to Shiganshina arc

Bertolt ravages Shiganshina

The Colossus Titan sends burning homes raining down upon Shiganshina

The warriors fail in capturing Eren and later flee to the ruins of Shiganshina District. For two months, Bertolt presumably does not use his Colossus Titan until the battle of Shiganshina District, where he prepares to transform into his Titan above the district in order to destroy the city. However, his plan is stopped short after seeing Reiner alive and in peril, and he transforms at a later time after speaking with his former fellow recruits. As the Colossus Titan, Bertolt begins setting fire to the houses of Shiganshina with his Titan's heat and sends the structures soaring through the air, bringing great devastation to the town. Eren attempts to attack the Colossus, but his attempt is short-lived when he is kicked to the top of Wall Maria. The recruits of the Survey Corps attempt to attack Bertolt with their Thunder Spears, but the Colossus' steam emission keeps them away. However, at this time Armin Arlert notices the loss of muscle mass brought on by each steam blast and formulates a plan to defeat Bertolt.

Colossus Titan falls

The Colossus Titan falls

Armin brings Eren back into consciousness and informs him of his plan to defeat Bertolt. Knowing his maneuvering equipment will not stay attached to the Colossus' evaporating flesh, Armin grapples to the teeth of the Titan as Eren collapses to the ground below. Wanting to kill Armin quickly, Bertolt emits a huge amount of burning steam at Armin, roasting him alive until he can no longer remain grappled to his Titan. Armin collapses to the ground below, and Bertolt turns his attention to Eren. He notices too late that Eren's Attack Titan on the ground below is in fact merely its hardened shell, and in the moment of vulnerability Eren strikes at the Colossus Titan from his human form, pulling Bertolt from the nape as the Colossus Titan collapses in defeat.

On the rooftops of Shiganshina, the surviving members of the Survey Corps are left with the choice of using a Titan serum in their possession to save either Armin or Commander Erwin Smith from the brink of death. The choice is left to Captain Levi, and after some hesitation he chooses to save Armin's life. As a mindless Titan, Armin grabs Bertolt as he comes back into consciousness and begs for his life. His cries go unheard, and Bertolt is eaten alive by Armin's Titan.

Armin has yet to make use of the power of the Colossus Titan.

Colossus Titans


Armin in the manga
Armin Arlert


Bertolt fears for Reiner
Bertolt Hoover 



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