Eren Jaeger is an obvious example of someone who has PTSD; considering he has seen his mother being eaten by a Titan in front of his very eyes at a young age, there's no doubt anyone would also develop PTSD from an event like that.
Eren had clearly been suffering from depression for years, his friends noticed this but simply decided to ignore it. i feel really bad for him...
In the end, he becomes inhuman and set on burning the world down. He is quite literally a classic textbook psychopath with suicidal tendencies.
Eren is horribly depressed and horribly desperate. Everything he once believed so fiercely has been dashed against the wall - Titans are humans, he's not special, the battle still isn't over, and on top of that, different personalities are fighting for control inside his head and he will inevitably die in a few years.
Armin Arlert is one of the main character in A Slap on Titan, andssion with death and is known for being really creepy. He ranks #1 in being in existence, surpassing Commander Vermin. Armin also apparently suffers from schizophrenia, as he has an imaginary cat he calls "Mr. Whiskers".
Levi has PTSD. Severe PTSD. Post-traumatic stress disorder (PTSD) is a type of anxiety disorder. It can occur after you have gone through extreme emotional trauma that involved the threat of injury or death.
Levi: PTSD and Depression as well as OCD.
If that were indeed the case, Sasha's death would have confirmed the reality of everything he could have seen in the Paths. With this in mind, Eren's laughter becomes something much more ominous. It becomes a sign of not only despair at losing Sasha but his resignation to the future.
Eren, despite how he is now is fundamentally a child who is unable to cry or process his emotions. He feels as though he has no right to feel the way he does, and he pushes his emotions aside in an attempt to be strong and fight back at the world that never served him.
As Eren screams, a newfound power comes forth and a Titan tackles the smiling Titan. The other Titans nearby redirect their attention from the Scouts to the smiling Titan, charging and swarming it before tearing its body to pieces. As Eren carries Mikasa away from the scene, the other Scouts continue their retreat.
Psychological Manipulation: After the time-skip, Eren has become quite adept at manipulating people to accomplish his goals, evidenced at when he easily manipulated Falco into sending letters for him to plan an attack on Liberio and lead Reiner into a trap.
Which personality type was Eren Yeager? Eren Yeager was an ISFP personality type. He was passionate by nature and had a desire to express himself. As an ISFP, he had strong values and cared about what was morally right and wrong.
He serves as Reiner Braun's archenemy and is the half-brother of Zeke Yeager. While initially presented as a heroic protagonist, Eren gradually becomes more of a morally ambiguous anti-villain by committing several violent acts and global genocide, for what he claims to be for the sake of Eldia.
Eren is shown to believe in freedom and have some sort of obsession with it. One of his biggest dreams is to be free and to free humanity.
His Mom Was Eaten By A Titan
Eren's seemingly peaceful life is met with chaos almost immediately when the Titans get through the wall and his mom, Carla, is crushed in rubble and he cannot pull her out. His mom then gets eaten by a Titan right in front of him shortly after he has to run to avoid getting eaten as well.
This led to him realizing that there was nothing inherently bad or good about either the Marleyans or Eldians. Both groups had been pushed to the brink because of acts carried out in the past, even though they were essentially the same people. It's this realization that led to Eren calming down...
Having to record lines on his own, he says he couldn't stop shedding tears while having to perform Eren's role. He talks about the deep connection he feels to the character and all the suffering Eren endured and how that impacted his performance.
Short Answer: Eren saw the memories of his future self. If you want a detailed answer, read on: So if my memory serves right, the opening scene has Eren and Mikasa are picking up firewood and Eren wakes up from a nap with tears in his eyes.
He was mainly disappointed because the world he sought wasn't only for him & his friends where nobody else existed. That's what he thought was the truth. If you think It's not true, then don't worry, Eren himself affirms that later on when he says that him and Reiner are the same.
"I don't know what happens after I die, but I know... you can make it to the other side of the walls. Humanity will be saved by you, Armin." Eren's last words to Armin, before he wipes their memories and leads them to his death.
In the eyes of Eren Yeager, he had to ensure Bertholt survived to later pass on the Colossal Titan to Armin, and thus manipulated the movements of the Smiling Titan towards his home -- which subsequently lead to his mother's death.
Why Eren Says He Hates Mikasa in Attack on Titan. Eren hates Mikasa's supposed lack of free will and claims he always hated her for having no freedom. Eren points to Mikasa's headaches as proof her Ackerman bloodline is all that's keeping them together.
While there are many characters that he respects, Erwin Smith is perhaps the only character that Captain Levi has truly loved, which puts Erwin at the very top of the list. Levi's loyalty and devotion to Erwin also indicate that the two were meant to be together.
Yeah, Reiner seems to suffer from a case of Dissociative Identity Disorder (DID) which he creates an alternate personality, maybe to save himself.
His injuries leave him permanently wheelchair-bound and he is attended to by Gabi and Falco." You can change it for example to "Three years later, we see Levi in a wheelchair (possibly due to severe injuries), with Falco helping him and Gabi, and Onyankopon walking in front of them."