: A critically acclaimed flashback episode detailing Korra’s struggle with PTSD, her physical rehabilitation with Katara, and her eventual journey into the Foggy Swamp where she encounters Toph.
: Prince Wu’s coronation is disrupted when Kuvira refuses to step down and instead declares herself the leader of the new Earth Empire.
: Spirit vines in Republic City begin attacking citizens. Korra must confront her past by visiting Zaheer in prison to finally overcome her fears and reconnect with the Spirit World.
: 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.
: Tenzin’s children, Jinora, Ikki, and Meelo, search for Korra and eventually find her in the swamp with Toph.
: Kuvira brings her army to the gates of Zaofu, demanding its surrender. Korra attempts to negotiate peace but finds herself caught in the middle.
: Kuvira reveals her ultimate weapon: a colossal mecha suit armed with a spirit energy cannon, and begins her march on Republic City.
