20 : Erwin Smith: 57th Expedition Beyond The Wa... Today

While the official goal of the 57th Expedition was to secure a route to Shiganshina, Erwin’s true motive was a high-risk gamble to flush out a spy hiding within the military ranks.

This episode highlights the brutal utilitarianism that defines Erwin's leadership. As Armin Arlert famously notes during the mission: 20 : Erwin Smith: 57th Expedition Beyond the Wa...

The expedition is ultimately called off as a failure due to the high casualties and the escape of the spy. The episode ends on a tragic note as the cloaked mole, still hidden among the Scouts, ambushes Levi’s squad and kills Gunther Schultz, setting the stage for the devastating battles to follow. 57th Expedition Outside the Walls | Attack on Titan Wiki While the official goal of the 57th Expedition