Attack on Titan

This dark fantasy anime is set in a world where titans, enormous humanoids, pose a perpetual danger to civilization. Eren Yeager, Mikasa Ackerman, and Armin Arlert are followed in the narrative as they enlist in the military to battle the Titans and learn the truth about their origins.

Season 1 opens with Eren, Mikasa, and Armin seeing a Colossal Titan breach Wall Maria, humanity's furthest defence line. The trio, along with many other survivors, flees to Wall Rose. Eren makes a pledge to kill all Titans and joins the military, where he meets new friends including Jean, Sasha, and Connie. They fight the Titans in countless fights with the competent Levi and his squad. Nevertheless, a government-Titans plot is slowly being discovered.

Season 2: The military finds that Titans may emerge within the walls, leading them to suspect that one of them is a traitor. Eren discovers that he can transform into a Titan, making him a great asset to the military. But, his hold on this authority is shaky. The Survey Corps, a military branch entrusted with researching outside the walls, finds the presence of sentient Titans, including the Beast Titan, who commands a Titan army. They also discover that the key to unlocking the Titans' secrets is hidden in Eren's basement of his boyhood home.

Season 3: 

The Survey Corps learn the truth about the Titans and their origins, including the revelation that Titans were originally humans who were injected with a serum by a tribe of Eldians, a race of individuals who can transform into Titans. Marley, another country that utilised Titans as weapons of war, tormented and oppressed the Eldians. Eren and his comrades stumble into a scheme to reclaim Eldia's authority by capturing control of the Founding Titan, a strong Titan capable of controlling other Titans and manipulating memories. The gang is forced to battle their own people, including their erstwhile buddy Reiner and his colleagues, who turn out to be Eldian soldiers ordered to penetrate the walls.

Season 4:

The final season features two key storylines. The first recounts Eren's effort to carry out his plan to wipe out all life outside of Paradis Island, the Eldians' last bastion. He gets more cruel and estranged from his pals. The second plot revolves around the country of Marley and its battles with other countries, particularly Eldia. It features new characters such as Gabi and Falco, two Eldian youngsters who want to join Marley's warriors. As the conflict between Paradis and Marley grows, mysteries about the Titans' and the world's history are uncovered, culminating in a shocking conclusion.

Overall, "Attack on Titan" is a dark and complex story that explores themes of power, oppression, and the consequences of war. It has gained widespread popularity for its engaging plot, well-developed characters, and intense action scenes."Attack on Titan" is a Japanese manga series written and illustrated by Hajime Isayama. It is set in a planet where mankind lives within cities surrounded by massive walls owing to the Titans, huge humanoid beasts that consume humans for no apparent reason. Eren Yeager, his adoptive sister Mikasa Ackerman, and his closest friend Armin Arlert join the military to combat the Titans and learn the truth about them.The final season follows two main storylines. The first follows Eren's struggle to carry out his plan to eradicate all life outside of Paradis Island, the last stronghold of Eldians. He becomes increasingly ruthless and isolated from his friends. The second storyline focuses on the nation of Marley and its conflicts with other nations, including Eldia.As the war between Paradis and Marley escalates, secrets about the history of the Titans and the world are revealed, culminating in a shocking ending.