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

This episode highlights the brutal utilitarianism that defines Erwin's leadership. As Armin Arlert famously notes during the mission:

In a shocking tactical move, the Female Titan allows the surrounding mindless Titans to devour her own body, creating a massive cloud of steam that she uses to escape in a Scout uniform. Leadership and the Philosophy of Change 20 : Erwin Smith: 57th Expedition Beyond the Wa...

Realizing she is cornered, the Female Titan lets out a unique, deafening scream that attracts every Titan in the vicinity. "Those who can't abandon anything can't change anything

"Those who can't abandon anything can't change anything. If there's anyone who can bring about change, it's someone capable of giving up what matters most." the Female Titan hardens her skin

Despite being pinned, the Female Titan hardens her skin, preventing Levi and Miche from cutting out the human pilot.