[s1e10] Heroes Of Patience Review

Throughout the season, Harry struggled to repair his device, but the finale reveals that his biggest obstacle wasn't technical—it was personal.

Harry finds excuses to delay his mission, claiming he can’t "kill everyone on Earth with an empty stomach".

The relationship between Harry and Asta Twelvetrees is the emotional core. When Asta confronts him about the murder of the real Harry, she initially severs their friendship, which triggers Harry's decision to finally activate his device.