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Azula was the Crown Princess between Zuko's banishment and coronation.

Heir to the Fire Lord, also known as the Crown Prince, Crown Princess, Fire Prince, or Fire Princess,[1] is the title normally given to the eldest eligible son or daughter of the Fire Lord and is used to refer to the person who is next in line to the Fire Nation throne.


In the Fire Nation, primogeniture, the right of a firstborn to inherit a position, usually determines the appointment of the Crown Prince or Princess. However, the eldest is not necessarily the heir apparent; the title may be conferred and removed according to the reigning Fire Lord's wishes. One way for a royal to reclaim his or her lost birthright is to challenge the current heir to single combat or Agni Kai.[2]

Fire Lord Chaeryu's first son, Chaejin, was from his royal mistress Lady Huazo of the Saowon clan, while his second son, Zoryu, was from his wife, Lady Sulan of the Keohso clan. During their childhood, the two half-brothers were playmates. Later, however, the Fire Lord sent his illegitimate son away to the Fire Sages to put him out of the line of succession.[3][4]

Sozin's days as Crown Prince were often spent with his best friend, Roku. He succeeded his father as Fire Lord during the years in which Roku trained to become a fully-realized Avatar.[5] After Sozin's coronation, his closest relative was his sister Zeisan, who had dynasty-toppling ambitions and sought to dismantle the growing corruption in her family.[6]

Sozin married and had his first and only child, Azulon, who became the Crown Prince as a result and served his father as an illustrious High General during the Hundred Year War. Azulon ascended the throne upon Sozin's eventual death at the age of 102.[7]

Azulon eventually married a woman named Ilah and had two sons, Iroh and Ozai. Iroh became the Crown Prince as the immediate heir to the throne. Both men eventually married, with Iroh having his only son Lu Ten, and Ozai having his first child Zuko. Since his father was expected to succeed Azulon as Fire Lord, Lu Ten was the second legitimate heir to the throne. Crown Prince Iroh, like his father, became a prominent High General of the Fire Nation Army and claimed many victories for his nation, including the near conquest of the Earth Kingdom capital of Ba Sing Se. However, this invasion ended in failure when Prince Lu Ten was killed in battle, breaking Iroh's will to fight.[8]

Zuko was the Crown Prince until his banishment.

Fire Lord Azulon mysteriously died after word of Iroh's defeat reached the Fire Nation. On his deathbed, he stripped Iroh of his title in favor of his second son, Ozai, in an episode of palace intrigue orchestrated by Ursa on Zuko's behalf.[8] Zuko became the immediate heir to the throne but was banished after speaking out of turn at a war meeting.[9] He was never Ozai's favorite to inherit the crown, but was promised the return of his birthright if he captured the Avatar. Though Zuko was reconfirmed as Crown Prince after the Coup of Ba Sing Se,[10] it was a short-lived return, as he was once again stripped of his birthright for betraying the Fire Nation during the Day of Black Sun.[11]

Azula became the Crown Princess of the Fire Nation, and thus the heiress apparent to the throne. It was indicated that she had every intention of stealing the throne from Zuko, considering the bitter rivalry between the two. In the final battles of the Hundred Year War, Azula was to succeed Ozai as Fire Lord while he declared himself the new Phoenix King of the earth.[12] However, she was ultimately defeated by Zuko and his ally Katara during the arrival of Sozin's Comet in a vicious duel for the throne. Azula was subsequently stripped of the title of Crown Princess.[2]

Zuko became Fire Lord after this, declaring the Hundred Year War over.[2] Years later, his daughter, Izumi, became the heir to the throne, and she was crowned Fire Lord upon Zuko's retirement at the age of eighty-four.[13]

Distinguishing features

Sozin was the first known Crown Prince and later became Fire Lord. The Crown Prince headpiece and gold trimmings on his clothes distinguish his position.

The Fire Lord's heir, along with all other members of the Royal Family, has a number of distinctive trappings that distinguishes them. For many generations, the heir wore a headpiece on their top-knot that indicated their position. However, this headpiece was lost after Sozin gave it to Roku.[5] After this, Royal Family members wore small coronets in their top-knots in the shape of flames. These pieces come in either red or gold, apparently depending on the occasion.

Sozin, Zuko, and Azula adorned themselves formal robes and outfits while in certain areas of the palace. These robes are identical, although they appeared shorter in Sozin's generation. They are a deep, blood red, and are trimmed with gold along the sleeves and collars.

For matters involving the Fire Lord such as war meetings and audiences, Zuko and Azula wore formal armor, at least following their return home. This armor is black and deep red, with gold trimmings. Zuko and Azula both wore gold flame pieces on their top-knots while they wore this armor.

Before his return home, Zuko wore normal Fire Navy armor without a headpiece, and Azula wore an all blood red armor with a red headpiece.

Life and duties

Due to the Fire Nation's warrior culture, potential rulers are expected to "prove their worth" before taking the throne. From young ages, heirs and potential heirs are trained extensively in combat and academics. Potential heirs usually master firebending moves far from the standards of normal firebenders their age. They are educated extensively on the history of the Fire Nation, from subjects ranging from the lives of past Fire Lords to the strategies and techniques used by past Generals to defeat districts from other nations. Those who do well are more inclined to become Fire Lord in the future. Royal family members undergo a number of tests throughout their lives to determine their value to the Fire Nation. By the time he was an adult, Iroh had been in a number of intense battles, a part of his life as a prince.

The heirs to the Fire Nation throne also share the duty of commanding or overseeing their nation's forces overseas when deemed necessary and also take an active role in political decisions. Crown Princess Azula briefly assumed authority over the newly conquered city of Omashu from its governor due to his poor decision-making,[14] and she and Prince Zuko both advised their father on how to quell the rebellion raging across the conquered Earth Kingdom.[12] They can command Fire Nation troops when it serves their purpose as well. Such involvement in politics and wartime exposes potential heirs to the political structure and functions of the Fire Nation, and thus gives them insight into their own future policies should they inherit the throne.

Known heirs

This list includes all known Heirs to the Fire Lord, and the period they held said position:

  • Chaeryu – c. 4th century BG
  • Zoryu – c. 4th century BG ~ c. 297 BG
  • Sozin – 82 BG ~ 58 BG
  • Azulon – 0 ~ 20 AG
  • Iroh – Unknown ~ 95 AG
  • Zuko – 95 ~ 97 AG; Spring 100 AG ~ Summer 100 AG
  • Azula – 97 ~ Spring 100 AG; Summer 100 AG
  • Izumi – Unknown ~ 167 AG


  • Heir to the Fire Lord is written on Zuko's wanted poster as 火帝儲君.[15]


  1. Nick Magazine presents, "Going Home Again".
  2. 2.0 2.1 2.2 DiMartino, Michael Dante, Konietzko, Bryan (writers) & Dos Santos, Joaquim (director). (July 19, 2008). "Sozin's Comet, Part 4: Avatar Aang". Avatar: The Last Airbender. Season 3. Episode 21. Nickelodeon.
  3. Yee, F. C. (author), DiMartino, Michael Dante (author). (July 21, 2020). Chapter Nineteen, "The Companion". The Shadow of Kyoshi. Amulet Books.
  4. Yee, F. C. (author), DiMartino, Michael Dante (author). (July 21, 2020). Chapter Eight, "Ancient History". The Shadow of Kyoshi. Amulet Books.
  5. 5.0 5.1 Ehasz, Elizabeth Welch (writer) & Spaulding, Ethan (director). (October 26, 2007). "The Avatar and the Fire Lord". Avatar: The Last Airbender. Season 3. Episode 6. Nickelodeon.
  6. Avatar Legends: The Roleplaying Game. Core Book, Version 1.0, 2022, p. 48.
  7. Avatar Extras for "The Avatar and the Fire Lord" on Nicktoons Network.
  8. 8.0 8.1 Ehasz, Elizabeth Welch (writer) & MacMullan, Lauren (director). (May 12, 2006). "Zuko Alone". Avatar: The Last Airbender. Season 2. Episode 7. Nickelodeon.
  9. Ehasz, Aaron (writer) & MacMullan, Lauren (director). (June 3, 2005). "The Storm". Avatar: The Last Airbender. Season 1. Episode 12. Nickelodeon.
  10. Ehasz, Aaron (writer) & Volpe, Giancarlo (director). (September 21, 2007). "The Awakening". Avatar: The Last Airbender. Season 3. Episode 1. Nickelodeon.
  11. Ehasz, Aaron (writer) & Dos Santos, Joaquim (director). (November 30, 2007). "The Day of Black Sun, Part 2: The Eclipse". Avatar: The Last Airbender. Season 3. Episode 11. Nickelodeon.
  12. 12.0 12.1 DiMartino, Michael Dante (writer) & Spaulding, Ethan (director). (July 19, 2008). "Sozin's Comet, Part 1: The Phoenix King". Avatar: The Last Airbender. Season 3. Episode 18. Nickelodeon.
  13. From older Welcome to Republic City online game, originally on Nick.com. Game now broken, archived at The Lost Lore of Avatar Korra - Fire Lord Zuko.
  14. Ehasz, Elizabeth Welch (writer) & Spaulding, Ethan (director). (April 7, 2006). "Return to Omashu". Avatar: The Last Airbender. Season 2. Episode 3. Nickelodeon.
  15. Ehasz, Aaron, Ehasz, Elizabeth Welch, Hedrick, Tim, O'Bryan, John (writers) & Volpe, Giancarlo (director). (March 17, 2006). "The Avatar State". Avatar: The Last Airbender. Season 2. Episode 1. Nickelodeon.

See also