Attack on Titan manga omnibus volume 9 collects volumes 25-27 in a larger sized omnibus format with a specially-embossed cover and 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 omnibus volume 10 collects volumes 28-30 in a larger sized omnibus format with a specially-embossed cover and features story and art by Hajime Isayama.

After years as a lonely double agent, Zeke finally returns to the good graces of his home island of Paradis. Still, the Survey Corps refuses to let him meet Eren—the other ingredient in the earth-shaking weapon—for fear the explosive duo will be impossible to control. Meanwhile, the public responds badly to the military’s open distrust of their hero Eren, and the detention of the Marleyan volunteers spurs an uprising. Amid the turmoil, Eren takes matters into his own hands…

Attack on Titan manga omnibus volume 11 collects volumes 31-32 in a larger sized omnibus format with a specially-embossed cover and features story and art by Hajime Isayama.

After breaking through a stronghold of old friends and enemies, Zeke hands down his plan for the Eldians to Eren. But what Eren was plotting with his rumbling powers leaves his brother in the dust, betrayed and alone once more. Now, with some help from Ymir, a parade of massive Titans are roused from their centuries-long slumber, breaking free of the Walls to answer their founder’s call. Where the march leads, only Eren knows…

Attack on Titan manga omnibus volume 12 collects volumes 33-34 in a larger sized omnibus format with a specially-embossed cover and features story and art by Hajime Isayama.

Eren's titanic Rumbling claims thousands of lives beyond the walls of Paradis, and the boy who once lived in fear of the Titans becomes the world's most feared man. Determined to stop the destruction wrought by their childhood friend, Armin, Mikasa, and their surviving comrades reach the Attack Titan and decide to face him head on in an ultimate showdown. Will humanity finally be set free from the cycle of fear, oppression, and destruction, or will the Titans outlive their victims?