Avatar The Last Airbender Book 3 Fire Episode 20 Sozin's Comet, Part 3: Into the Inferno Episode Title: Sozin's Comet, Part 3: Into the Inferno Episode Description: Abandoned by her friends and father, Azula's mental stability begins to deteriorate as her coronation as Fire Lord approaches. She banishes much of her court, fearing everyone will betray her. Sokka, Suki and Toph arrive just as Ozai's airship fleet is lifting off, successfully boarding a ship with the help of Toph. They overpower the ship's crew and begin to take down the fleet. Iroh and the White Lotus arrive at Ba Sing Se to wipe out the Fire Nation presence once and for all. Zuko and Katara confront Azula at her coronation, where Azula challenges him to an Agni Kai. Their fighting engulfs the palace, and when Zuko gains the upper hand, Azula decides to target Katara with a lightning strike...