: Kuvira and Baatar Jr. have begun reuniting the fractured Earth Kingdom under a militaristic rule. The episode shows her effectively strong-arming local governors, like the one in the State of Yi, into signing over control in exchange for supplies and protection.
: The group has largely moved on with their own lives. Opal and Kai are working with the Air Nomads to provide aid, while Bolin has joined Kuvira’s army. The "Missing" Avatar [S4E1] After All These Years
: In the three years since the spirit vines took over, the city has adapted, with Asami Sato's Future Industries modernizing Central City Station and integrating spirits into the metropolis. : Kuvira and Baatar Jr