Attack on Titan volume 23 features story and art by Hajime Isayama.

The truth revealed through the memories in Grisha's journals shakes all of Eren's deepest beliefs. There is no rugged but free land beyond the Walls—there is a whole other world, equally full of oppression and war. Suddenly, the ambitions that have animated the Survey Corps for generations seem small and naïve. What is there left to fight for?

Attack on Titan manga volume 24 features story and art by Hajime Isayama.

The world outside the Walls is vaster than Eren and his comrades could have ever imagined. Just beyond the shores of Paradis lies the country of Marley—home to Eren’s mortal enemy Reiner. He may have returned home, hoping to consign “the Armor” to his past, but some things can’t be so easily forgotten—and Reiner is about to be confronted by a certain someone he turned his back on…

Attack on Titan manga volume 25 features story and art by Hajime Isayama.

Eren and everyone he has ever known have lived on the island of Paradis. For many years, the Marleyans have been threatening Paradis in an attempt to monopolize the power of the Titans and keep the world trembling before their military might. In an effort to prove their worth and cement their truth, the Marleyans prepare for the ultimate declaration of war on Paradis. But when the time for deliverance comes, neither side is equipped for the shocking drama that unfolds.

Attack on Titan manga volume 26 features story and art by Hajime Isayama.

The deadly pageant directed by and starring Willy Tybur clearly illustrates the threat posed by the island of Paradis, as the dangerous rebel Eren Yeager mows down civilians and deals a massive blow to the Marleyan army. Meanwhile, the Eldian soldiers including Mikasa, Connie, and Sasha sow chaos in the city and disrupt military communications. But the battle between Eren and the War Hammer Titan isn’t over, and it’s about to draw in the full might of this land’s warriors…