Volume 13 shifts focus from battlefield chaos to political conspiracy within the walls. The government’s hidden corruption begins to surface. The Survey Corps becomes a target as power struggles erupt behind closed doors. Levi takes a central role in protecting key allies from assassination. The tone grows darker as manipulation and deception dominate the story. Eren’s importance to the future becomes increasingly clear. The fight for truth replaces the fight against Titans. Secrets buried for generations begin to emerge. The tension is psychological rather than purely physical. This volume marks the start of a gripping political arc that expands the series’ scope dramatically.