Attack on Titan Codexery

Battle of Trost District

When the Walls fell, hope arrived in the form of a monster from within.

The Battle of Trost District shattered the illusion of safety within Wall Rose forever. Following the Colossal Titan's breach and subsequent disappearance, this conflict became the crucible where Eren Yeager first awakened his transformation ability, turning a victim into humanity's most controversial weapon and fundamentally altering the course of history.

Location
Trost District, Southern Wall Rose
Primary Antagonists
Abnormal Titans, Colossal Titan (via initial breach)
Key Protagonist Transformation
Eren Yeager (Attack Titan)
Outcome
Humanity reclaims the district; Eren's identity as a Titan is revealed to the military

Lore & Background

The emergence of this new entity ignited panic; survivors realized a monster now walked among them. While Commander Erwin Smith and Hange Zoë moved to take Eren into custody, Armin Arlert intervened. He convinced Commander Pixis that this anomaly was humanity's only hope for retaking Wall Maria, shifting the conflict from pure defense to a desperate gamble on a human-controlled Titan.

In Their Own Story

The air in Trost tasted of ash and copper. Eren felt the crushing weight of the gut close around him, darkness swallowing his vision as he slipped into the belly of the beast. Then came the heat, not of digestion, but of fire erupting from within his own bones. He burst free from the nape of a mindless giant, his skin hardening into rock-hard plates. Before him stood another Titan, its jaw hanging open in a silent scream. Eren roared, a sound that was half-human anguish and half-bestial fury, and charged. For the first time, he did not feel like prey.

Reader's Guide

As the Colossal Titan vanished, hundreds of Titans flooded through Trost’s shattered gate. The Garrison crumbled under the assault, forcing survivors to retreat toward the inner wall while civilians scrambled to safety. Eren Yeager launched a suicidal charge against an Abnormal Titan but was consumed—only to erupt from within as his own Titan form. Exhausted and suspected of being another enemy, Eren collapsed into custody until Armin Arlert argued for utility over fear. Commander Pixis authorized the gamble: use Eren’s power to seal the breach. In a desperate climax, Squadrons of ODM gear soldiers wove through swarms to protect Eren as he hoisted a massive boulder toward the gate. Using his body heat to fuse the stone with the surrounding rock, he blocked the entrance and secured the district—only to be arrested immediately after.

Did You Know?

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