: Kuvira reveals her ultimate weapon: a colossal mecha suit armed with a spirit energy cannon, and begins her march on Republic City.
: After failed negotiations, Suyin Beifong attempts a night raid on Kuvira. A duel ensues between Korra and Kuvira, but Korra is still hindered by her trauma.
: Korra returns to Republic City and reunites with Mako and Asami. Tensions rise as they attempt to rescue Prince Wu from Kuvira’s supporters. Avatar: The Legend of Korra Book 4: Balance Epi...
: Tenzin’s children, Jinora, Ikki, and Meelo, search for Korra and eventually find her in the swamp with Toph.
: Three years later, the world has changed. Prince Wu prepares for his coronation while Kuvira begins forcibly unifying the Earth Kingdom. : Kuvira reveals her ultimate weapon: a colossal
: Team Avatar engages in an "epic" battle to stop Kuvira's giant mecha. Hiroshi Sato sacrifices his life to help the team breach the machine's hull.
The Legend of Korra Book 4: Balance is the fourth and final season of the series, consisting of (chapters). Set three years after the events of Book 3, the season focuses on Avatar Korra's recovery from trauma and the rise of Kuvira, a military leader attempting to unite the Earth Kingdom into a totalitarian "Earth Empire". Episode List & Summaries : Korra returns to Republic City and reunites
: Prince Wu’s coronation is disrupted when Kuvira refuses to step down and instead declares herself the leader of the new Earth Empire.