The final season ofAttack on Titanhas been full of political conspiracies, ideological conflicts, and jaw-dropping twists. Just when you think you know where the story is headed, creatorHajime Isayamadrops a twist that fractures the world of Titans once more.
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From the truth about humanity beyond the walls to sudden deaths that rock the show to its core, Attack on Titan has unleashed revelations at a breakneck pace. It’s marching towards a conclusion that’s both brutal and inspiring. Thus, ranked here are some of the best plot twists of the final season.

Updated by Omar Faruque on August 12, 2025:The highly anticipated finale of Attack on Titan recently aired, wrapping up the epic saga. While the ending was divisive among some fans, one thing is clear – the revealing finale also served as a masterclass in looping back plot twists from the beginning to recontextualize the entire story.
Attack On Titan
WARNING: The following list contains spoilers for Attack on Titan Final Season!!!
12The Walls Of Paradis Are Titans
The Colossal Secret
Why The Twist Is Shocking?
The revelation that the Walls of Paradis Island are composed of Colossal Titans is one of the most shocking plot twists in Attack On Titan. This twist is eventually tied into the series' finale through the history of the Titans and the secret plans of the Marley government. It’s revealed that the Titans within the walls were created by the Founding Titan, the king of Eldia at the time, who moved his people to Paradis Island and erected the walls to keep out the Marleyans.
These Colossal Titans, when mobilized, are referred to as the Rumbling, possessing the potential to flatten the entire world. In the final season, Eren Jaeger eventually gains the power of the Founding Titan and initiates the Rumbling, intending to destroy the rest of the world outside Paradis Island to protect his home.

11Reiner & Bertholdt’s True Colors
From Comrades to Enemies: The Dual Identities
Reiner Braun and Bertholdt Hoover, initially introduced as members of the 104th Training Corps, are later revealed to be the Armored Titan and Colossal Titan, respectively. The dichotomy between their initial roles as trusted comrades and their real identities as enemies introduces a moral gray area in the narrative. They are not presented as purely evil characters but as victims of their circumstances.
I wanted to become a hero…!! That’s why I always acted like everyone’s big brother, too. I wanted people to respect me…. That…that wasn’t just history or my environment…it was my fault. Your mother was eaten by a Titan because of me!! I…can’t stand this anymore…. Just…kill me, I beg of you…. I want…to vanish…. — Reiner

Both were brought up in a society that indoctrinated them with hatred towards Eldians and sent them on a mission when they were just children. In the final arc, Reiner’s guilt over his past actions and his struggle for redemption become a significant subplot. He tries to make up for his past mistakes, and his character arc provides a perspective on the possibility of atonement in the midst of war. Meanwhile, Bertholdt’s death also impacts significantly and shapes Armin’s character arc in the finale.
10Beyond The Walls
The Thriving Civilizations
This revelation is more than just a surprise, it shifts the entire perspective of the series. Initially, the narrative leads us to believe that humans within the walls are the last remnants of humanity, struggling for survival against the Titans. However, it’s revealed in the later arcs that the world beyond the walls is thriving.
And the Titans are not mindless monsters but human beings transformed by a power controlled by the Marleyan government. As we see in Episode 1, Part 3, the Final season, the people outside the walls live in various nations, the most prominent of which is Marley. The Marleyans are at a technological level comparable to the early 20th century, using firearms, artillery, airships, and even train networks.

9Annie’s Reveal
Betrayal & Redemption
Annie Leonhart’s reveal as the Female Titan is one of Attack on Titan’s first major plot twists. The revelation of her true identity as an enemy agent from Marley sent to retrieve the Founding Titan adds a layer of deceit and betrayal to the story. But more twists come in the finale with her character arc.
It All Stopped Mattering To Me. Who People Were, Where They Came From, Whether They Lived Or Died. I Couldn’t Find Any Value In Life, Including My Own – Annie

Annie’s re-emergence is a surprise, as it occurs just when the series' climactic events are unfolding. In the finale, Annie decides to aid the very people she once fought against. Despite her past actions, Annie becomes an unlikely ally to the remnants of the Scout Regiment in their mission to stop the Rumbling initiated by Eren. Her change of heart is partially influenced by her desire to see her father again and to end the cycle of hatred and violence that has dominated her life.
8Marley Didn’t Defeat Eldia
Hidden Alliances
The Great Titan War ended because Eldia turned against Eldia. Before Season 4, fans believed that Marley retaliated and exiled Karl Fritz to Paradis Island. In truth, Karl actually partnered with Tyburs to bring down the Eldian empire from within and end the war.
They gave Marley a fictional hero to inspire pride in their victory and rally their people after decades of war. Later, Karl secluded himself in Paradis as he believed that Eldians wereterrifying monsterswho deserved to suffer and disappear.
7Eren Can’t Change The Future
A Puppet of Fate
The quest to be free is a tragic paradox in Attack on Titan; gaining freedom so often requires denying it to others. This contradiction manifests itself in Eren. As much as he yearns for true freedom – the freedom to choose one’s own path in life – he is denied that at every turn by the future that has already been written for him.
I wanted to wipe it all away…I’m Sorry…I’m Sorry…I’m Sorry – Eren To Ramzi
A particularly moving moment in Episode 1, Part 3, the Final season, sees Eren mourning Ramzi’s death, but he’s aware that the predetermined timeline can’t be changed. Earlier in Liberio, Eren asked Mikasa how she felt about him. As expected, she gave the same reply he foresaw in his future memories. At that point, Eren realized it was pointless to fight his fate.
6The Surprising Source Of Mikasa’s Headaches
Eren Lied To Her
In one of thebest episodesof Part 2, Final Season, Eren told Mikasa that her Ackerman bloodline compelled her to protect him against her will. However, he later revealed to Zeke that it was merely a lie. Mikasa’s devotion to him was by her own choice, not due to any inherent instinct.
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The real reason for Mikasa’s headaches was Ymir constantly looking into her mind. Her relationship with King Fritz paralleled Mikasa’s with Eren, but Ymir could never let go of her love. Perhaps, Ymir wished to see what choices Mikasa would make if she were in her place.
5A New Titan!
Falco Can Fly
Thoughnot adapted into the animeyet, Falco unwittingly unlocks a unique ability within the Jaw Titan. It now has wide feathered wings with aerial capabilities never seen in any of its brethren. Soaring high above, the airborne Jaw Titan was able to securely drop Mikasa, Jean, Annie, and the others directly over the Founding Titan.
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Falco received this unique trait from Zeke’s spinal fluid, which the Paradis leaders had also consumed. It’s said that one of the past Beast Titan holders had wings. The flying titan, therefore, is a fusion of the Beast and Jaw. This surprising development could be better treated as a plot convenience. Nonetheless, Falco’s evolution highlights that many things about Titans are still a mystery.
4Ymir Chose Eren Over Zeke
Not Loyal To Royals Anymore
For centuries, only royal blood could control the Founding Titan. Even with the Founder in his grip, Eren still needed Zeke to actually use it through the mysterious Path. However, after thousands of years as a slave, Ymir had no desire to take orders from any royal anymore.
You’re no slave. You’re no god. You’re just a person. You don’t need to serve anyone. You can be the one to choose – Eren To Ymir
She came over to Team Eren, breaking that chain for good. Fans had been certain for years that Eren couldn’t fully control the Founder on his own. This was one of theplot twistsno one saw coming!
The Unseen Hand Behind Eren
Eren was merely a pawn in a greater game. Trapped in paths for eons, Ymir pulled fate’s strings to craft her escape. She bound Eren to her will and raised him up as savior and demon, all to finally break free of her endless dream.
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The future memories he received showed him only one path: to genocide humanity in order to save Paradis. Though he hated what he saw, he had no other choice. His entire future was already written. And things took place exactly the way he saw in his memories.