: In a poignant flashback, Eren Jaeger vehemently refuses to let Historia be used as a "breeding tool".
The episode concludes with the realization that while the plan was logically "sound," it destroyed the very humanity the Survey Corps fought to protect. Attack on Titan - Season 4 Episode 10 - "A Sound Argument" 10 : A Sound Argument
If you are referring to the episode " A Sound Argument " (Season 4, Episode 10), it is a story centered on the heavy burden of duty and the erosion of hope. : In a poignant flashback, Eren Jaeger vehemently