[s4e1] After All These Years -

: Prince Wu is being groomed to take the Earth Kingdom throne in Republic City, while Mako serves as his reluctant bodyguard.

: 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. : Prince Wu is being groomed to take