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The Struggle for Trost arc

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This article is about the third story arc of the Attack on Titan anime. For the battle of Trost District, see Struggle for Trost (Anime).

The Struggle for Trost arc is the third story arc of the Attack on Titan anime.


Shortly after their graduation, the members of the 104th Cadet Corps are suddenly forced into a fight against the Titans as the Colossal Titan appears at Trost District and breaks through the Wall. During the battle, Eren Jaeger learns of the mysterious power deep inside him.


Picture Number Title Release date
5 First Battle: The Struggle for Trost, Part 1
 (初陣 Uijin?)
May 4, 2013
Injured Eren stands up After 5 years, the Colossal Titan appears once again. Eren, intending to face it on his own, quickly realizes that his opponent is sentient, noticing the cannons on the Wall being purposefully destroyed. Before he can strike a fatal blow, the Colossal Titan disappears in a sudden burst of steam. The soldiers, along with the new recruits then ready themselves to deal with the threat. While they are being assigned to squads, Dot Pyxis hears of the news and quickly decides to head to the front lines, much to the dissatisfaction of Wald. Meanwhile, the recruits despair, having to go face the Titans. Mikasa is forced to leave Eren, being assigned to the rear squad. Once given orders to advance, Eren's squad is attacked by an Abnormal Titan, who then devours Thomas. In a fit of rage, Eren tries to avenge him but is also attacked by a Titan while in mid-air and the rest of his squad quickly falls. Armin is about to be eaten but Eren stands up and manages to get Armin out of the Titan's mouth. Although he swears not to die there, the Titan shuts its mouth with Eren inside, biting off his arm, much to Armin's horror.

Picture Number Title Release date
6 The World the Girl Saw: The Struggle for Trost, Part 2
 (少女が見た世界 Shōjo ga Mita Sekai?)
May 11, 2013
Mikasa Stops a Titan The battle continues in Trost District. Armin has witnessed the deaths of his entire squad, including Eren. This creates a conflict between the cadets, which is augmented by the stress and the horrible things that they have seen and suffered through. Some of them are at their limit, such as Armin and Hanna. In another part of the city, Mikasa saves a crowd of people from an abnormal Titan. She then threatens a local businessman to leave his belongings and let the people go through the gate which he was halting with the demand that his belongings go first. After this, Mikasa begins to remember how she met Eren. She lived peacefully with her mother and father when three human traffickers killed them and tried to kidnap her, but she was saved when Eren killed two of them which gave her the will to fight and kill the third. From this she gained an intuition to right regardless of context. Grisha then decided to raise Mikasa and the children became family.

Picture Number Title Release date
7 Small Blade: The Struggle for Trost, Part 3
 (小さな刃 Chīsana Yaiba?)
May 18, 2013
A mysterious Titan appears The attack of the Titans continues on Trost District. Due to the army's poor manpower, the squad in charge of supplying gas are held back into the HQ by the Titans, but these soldiers are neither allowed to leave to the inner Wall. Mikasa comes along a group of cadets that has not retreated. There she finds that they are scared, for example Jean, who saw a comrade get eaten, but a few of them that are still trying to fight. There Armin tells Mikasa that Eren has been killed. She takes it cool and leaves alone, killing every Titan in her path until the gas of the omni-directional mobility gear runs out, making her fall on a alley.

Mikasa accepts her death when a Titan comes to eat her, but in the last second she remembers how Eren wanted her to fight. Mikasa is finally saved by an unknown Titan and watches how it kills the prior one. Then she is picked up by Armin and taken to a roof. Up there, both of them and Conny sees how the Titan kills another one of his kind. Mikasa, at shock, compares this Titan with the manifestation of mankind's anger.

Picture Number Title Release date
8 I Can Hear His Heartbeat: The Struggle for Trost, Part 4
 (心臓の鼓動が聞こえる Shinzō no Kodō ga Kikoeru?)
May 25, 2013
Eren back to his human form In spite of Armin's protests, Mikasa and Conny take him with them and together run away from the rogue Titan. However, as they are leaving, Armin suddenly realizes that if they lure the Titan into the Trost District HQ, it may defeat all the Titans there. Meanwhile, Jean leads other soldiers to the HQ, albeit with a lot of casualties. There, they are attacked by Titans who are attracted by all the people present in the building. However, the rogue Titan appears and begins crushing the Titans outside. Armin devises a plan to defeat the rest of the Titans with the use of guns and blades and, after being successful, the soldiers resupply their gas and head towards the Walls. However, Mikasa and others stay to watch as the Titan eventually runs out of energy and, critically injured, falls down, with Eren emerging from its neck afterwards.

Picture Number Title Release date
9 Whereabouts of His Left Arm: The Struggle for Trost, Part 5
 (左腕の行方 Hidariude no Yukue?)
June 1, 2013
Eren protects Armin and Mikasa Damage from the Trost District attack is massive due to the Scout Regiment being outside the Walls on an expedition at the time. On that trip, Captain Levi and some members of his squad engage in combat with the Titans, killing them with little effort. Levi saves one of his comrades from being devoured, but his injuries cause him to die shortly after. Then, the scouts are ordered to go back to town by Commander Erwin Smith as he fears an incident similar to the breaching of Shiganshina District may have occurred.

After Eren was eaten alive, he had traumatic experiences inside the Titan's stomach, seeing both corpses and dying people around him. This made Eren reaffirm his promise to kill all the Titans. This surge of motivation triggers his first transformation into a Titan.

In the present, Eren awakens as Mikasa and Armin are being threatened by a Garrison captain, who thinks that Eren is a dangerous Titan. Meanwhile, the rest of the cadets are safe and are trying to make up their minds. Captain Hannes stands atop the Wall with his comrades, worried about the battle.

On the ground below, the three friends try to calm the captain, but he does not listen to them and orders a cannon to shoot them. Eren, who remembers his father's words, triggers, willingly, his Titan transformation, which allows him so stop the cannonball.

Picture Number Title Release date
10 Response: The Struggle for Trost, Part 6
 (応える Kotaeru?)
June 8, 2013
Armin prepares to take action The rest of the Cadet Corps are put on standby. They are pretty confused and worried about their future and Eren's. A loud cannon shot stops their conversation which makes some of the soldiers go investigate the source of the sound.

Eren manages to protect his friends with his power but another shot is being loaded. Eren makes up two plans: escape to Wall Maria with his Titan form, or make Armin tell the Garrison that they are friends of mankind. Armin then realizes that he is not a burden and he does what he can to convince captain Kitz Woerman and the surrounding Garrison soldiers. He even talks about recapturing Trost using Eren's powers. However Kitz does not believe him, and when he is about to order a second shot, Dot Pyxis stops him and saves the kids for one reason: to use Eren's power to seal the Trost District's gate.

Picture Number Title Release date
11 Idol: The Struggle for Trost, Part 7
 (偶像 Gūzō?)
June 15, 2013
Eren introduced to soldiers A top of the Wall, Commander Dot Pyxis elaborates a plan with Eren, Mikasa, and Armin. The three friends do not believe that the plan will be a total success. Pyxis begins explaining the plan to the soldiers, but some of them get mad when they hear about the idea of going back to Trost, like Daz. Others even want to run away. Then, Eren and Pyxis go for a walk on top of the Wall, where they discuss how the unification of mankind against a common enemy is impossible.

From the Wall, Pyxis gives orders to all the soldiers and explains the plan: Eren will transform into a Titan, carry an enormous boulder and seal the gate. The soldiers dislike the idea and a lot of them run away. Pyxis says that they will be pardoned, but that if they run away, their loved ones and all mankind will fall. This brings the soldiers back. Pyxis also creates an elite team whose mission is to protect Eren while the rest of the soldiers lure the Titans. The operation starts and Eren manages to transform. However something goes wrong as he tries to kill Mikasa.

Picture Number Title Release date
12 Wound
 ( Kizu?)
June 22, 2013
Mikasa tries to talk to Eren The battle on Trost District continues. When Eren tries to punch Mikasa, she manages to evade it as she tries to calm him down. This is useless and Eren ends up knocking himself out while attempting to attack Mikasa. The soldiers then think about retreating, which begins to make Mikasa very mad, but Ian Dietrich, the leader, states that they need to take care of Eren because he is a valuable weapon for mankind.

After some dubitative moments on the elite team, the soldiers decide to follow Ian's plan. Elsewhere, Jean, Conny, Marco and Armin are discussing the current situation while soldiers continue to lure the Titans to the corner of the Wall. While doing this, Mikasa and later Armin note that Eren is not regenerating his body. Armin, seeing the negative signal flare makes his way to Eren's Titan and then forms a plan: he stabs Eren's human body so that he can make him react and remember his mission. Useless at first, Eren ends up realizing what he has to do. Finally, the Titan starts producing steam and regenerating his wounds.

Picture Number Title Release date
13 Primordial Desire
 (原初的欲求 Gensho-teki Yokkyū?)
June 29, 2013
Eren carries the boulder While soldiers continue to die as they fend off the Titans in order to protect Eren, Jean attempts to take the omni-directional mobility gear of a dead soldier in order to escape. Marco arrives to assist him by distracting an oncoming Titan, soon followed by Annie and Conny, together they manage to evade the Titans and escape to the top of the Wall. That is when Eren finally picks up the boulder and heads towards the hole, followed by the soldiers determined to sacrifice themselves. Eventually, the hole is plugged up, and Mikasa, Armin and Rico Brzenska find themselves protecting Eren against a horde of Titans, until Levi arrives to slay them. After the operation, soldiers have to gather the corpses and it is revealed that Marco is one of them, much to Jean's shock. Some time later, Eren wakes up in a cell and after expressing his desire to kill Titans, Levi decides to take care of him as Captain of the Scout Regiment.


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