Kars can now walk in the sun, rendering the heroes' primary weapon—the sun-powered Ripple (Hamon)—ineffective.

The map Joseph uses while flying contains several historical and geographical errors, including the presence of Trieste and a lack of an Austrian-Czech border.

After outsmarting Stroheim, uses the Stone Mask and the Red Stone of Aja to reach his evolutionary peak. This transformation fundamentally changes the stakes of the series: