In Volume 4, Eren’s shocking secret becomes the center of intense debate within the military. Some see him as humanity’s greatest weapon, while others fear he is a threat that must be eliminated. Political tension rises as commanders argue over his fate. Meanwhile, the cadets face the emotional aftermath of their first brutal battle. Loyalties are tested, and friendships are strained under pressure. The Survey Corps prepares for a bold mission that could change the course of the war. Eren must learn to control his newfound power if he hopes to protect his friends. The atmosphere is filled with uncertainty and danger. Every decision carries life-or-death consequences. This volume blends action with strategy and suspense, expanding the world beyond the battlefield.