: In the present day, we see the tragic outcome. Historia is shown pregnant and despondent, seemingly having accepted a fate she never wanted.
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
: A small-scale display of the Wall Titans' power to deter world invasion. : In the present day, we see the tragic outcome