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While her intentions were noble enough, Mikasa still disobeyed her commanding officer and turned her blade on fellow soldiers. Over the next few chapters, I’d like to see the fallout from the fight between the Ackermans. Levi himself has had to come to terms with the idea of losing Erwin, because ten chapters ago he was threatening to stop him from going on a suicide mission but allowed him to go against the Beast Titan a few chapters later. Erwin had cast aside his dream of finding the basement, in order to fulfil the mission. As I said in my review for chapter 74, he took a step back and began to train Armin as a someone who could eventually replace him. Since he lost his arm, he grew more and more obsessed with the idea of dying.
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While Erwin’s death could have been avoided, it was also foreshadowed for the last year. However, if Armin was truly incapable, Levi wouldn’t have had such a hard decision. Many believe that Armin is useless, and unfit to fill Erwin’s shoes as a commanding member of the Survey Corps. Just like the Survey Corps, every reader appears to have their own ideas over who should have survived. This chapter definitely seems to have polarised opinions in the fanbase. Erwin’s final act is to refuse the serum and he dies, leaving Armin to shift into a Titan and eat Bertolt.
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Eren makes a final plea for Levi to save Armin’s life, before he is dragged away, and Levi is left to make decision. Mikasa goes to fight the soldier but is held back by Hange. Remembering the past, Eren defends his decision to save Armin, while the last member of Erwin’s unit opposes him, saying that it was his job to make sure the commander survived. Eren attempts to steal the serum, so Levi attacks him, prompting Mikasa to retaliate.