One of the main themes is survival. The characters are constantly fighting for their lives against the Titans. Another theme is the search for truth. As the story progresses, the characters discover more about the world they live in and the secrets behind the Titans.
Well, freedom is a big theme too. The people inside the walls have been caged in for so long, and they long for freedom outside the walls. And also, there's the theme of sacrifice. Many characters sacrifice themselves for the greater good, like Erwin in some crucial battles.
The themes in Attack on Titan original story are complex. There's the theme of identity. Some characters struggle with who they are, especially those with special powers or those who find out they have different origins. Also, the concept of power and its abuse is there. Some groups use power for their own benefit, causing harm to others.
Chapter 61, "Just Boredom", is the clearest early answer because it turns Damon's situation into a concrete plot event. The setup is Damon felt restless and decided to take a walk around the academy..., but the pressure keeps building through However, no matter how much he walked, his restlessness didn't go.... Once the chapter lands on Anaya didn't argue and instead nodded., the chapter closes with Having no choice but to answer, Damon shrugged.
Chapter 273, "Teaching Celeste A Lesson", is the clearest early answer because it turns Celeste's situation into a concrete plot event. The setup is Damon and his team—Daveon, Anaya, Celeste, and Miss Leana—all..., but the pressure keeps building through The space was large, reinforced with magic barriers to withstand....
Chapter 34, "Mana Exhaustion III", is the clearest early answer because it turns Damien's situation into a concrete plot event. It opens with Damien watched as Fenrir and Cerbe brought and end to the two beasts... and closes on Once again, Fenrir directly swallowed up the third mana beast it had....
Chapter 120, "A Wrong Decision II", is the clearest early answer because it turns Keith's situation into a concrete plot event. The chapter gives readers a real answer by opening on Keith and Narna struggled against the overwhelming pressure crushing... and ending on Keith spun around to face Narna, his frustration boiling over..
Chapter 108, "A Warning Letter And A Request Letter", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Shoooooong~ The golden glow of the teleportation array faded, and the... to I'll be delivering an important message to the Emperor shortly." Once....
Chapter 60, "Fate Must Have Its Reasons", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter turns that into something concrete by moving from Standing like the grand legendary beast that it was, the Pegasus... to This made him head out to the office of the Family Lord.. What makes it stick is that the chapter closes with As Osbourne exited the room, his face contorted into a smile. "Damien seems to be alive.
Chapter 481, ", Only a Madman Would Pay You Taxes!", is the clearest early answer because it turns Storm God Kingdom's situation into a concrete plot event. Early on, But for now, it was enough.. By the end, Demons wishing to invade Rage Owl Star?.
Chapter 494, ", Coming to Find Death?", is the clearest early answer because the violence around Fury Flame becomes final instead of hypothetical. The chapter turns that into something concrete by moving from The majority of the original city clusters on the ground had already... to From both parties, a large number of personnel had already landed,....
Chapter 27, "Burning Through Essence", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is Damien thought for a moment before coming up with a feasible solution..., but the pressure keeps building through He was out of essence and although he had life force to convert,....
Chapter 264, "Battle With A Talking Demon", is the clearest early answer because the buildup finally cashes out in a real clash. A useful checkpoint is the way the scene starts with The demon lunged, claws slicing through the air with unnatural speed. and follows through with I am still recovering but you all matter to me too!!.