Attack on Titan Vol 23

From the Kodansha edition

THE DREAM OF FREEDOM DIES 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?

Source: Penguin Random House API