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With Roku gone, and the great comet returning, the timing was perfect to change the world. I knew the next Avatar would be born an Air Nomad, so I wiped out the air temples. But somehow, the new Avatar eluded me. I wasted the remainder of my life searching in vain. I know he's hiding out there somewhere. The Fire Nation's greatest threat ... the last airbender.
~ Fire Lord Sozin.
Without you, all my plans are suddenly possible. I have a vision for the future, Roku.
~ Sozin betraying Roku and leaving him to die.

Sozin, simply known as Fire Lord Sozin, is the posthumous overarching antagonist of Avatar: The Last Airbender. Despite having died years before, his actions caused almost all of the events of the series and many of its sequel The Legend of Korra. He is the instigator of the Hundred-Year War and the Fire Lord before his son Azulon. He is the grandfather to Iroh and Ozai and great-grandfather to Zuko, Azula, and Lu Ten and the great-great-grandfather to Zuko's daughter, Izumi.

As a young prince, Sozin was best friends with Avatar Roku. After Sozin took up the throne and Roku became a fully realized Avatar, their friendship became strained to the breaking point as Sozin desired the Fire Nation to encompass the world, a plan to which Roku was strongly opposed. Following a hostile confrontation over this which ended in Sozin's defeat, neither spoke to the other until they were both very old. Sozin betrayed his old friend to his death and began waging war. Fire Lord Sozin was the instigator of the War and the Fire Lord before his son, Azulon. He was grandfather to Iroh and Ozai and great-grandfather to Zuko, Azula, and Lu Ten.

Using the fire-enhancing power of a comet, Sozin eradicated the Air Nomads to try to eliminate the next Avatar, but failed. He spent the last years of his life hunting the new Avatar in vain.

He was voiced by Ron Perlman, who also played Xibalba in The Book of Life, the High Mage in the 2003 Teenage Mutant Ninja Turtles cartoon series, Justice in Afro Samurai and Warhok in Kim Possible.



Roku and Sozin in their youth.

Roku and Sozin at their birthday celebration. In his youth, Prince Sozin and Avatar Roku were best friends and even shared the same birthday, which they celebrated together. It could be said that both of them were also firebending masters at an early age, given that Roku was the Avatar, which was then unknown, and Sozin's family had a natural affinity for their element.

At their sixteenth birthday celebration, Roku was told by the Fire Sages that he was the Avatar, and the two friends were forced to separate as Roku goes to learn mastery of the three other elements. Before leaving, Sozin came by to talk and was told by Roku that the sages told him to bring nothing, as the Avatar needed no material goods.

By this statement, Sozin gave him a gift: the headpiece worn by the Crown Prince of the Fire Nation, hoping that he was at least allowed to have that.


Sozin refusing to help Avatar Roku, leaving him to die.

12 years later, Roku returned to the Fire Nation and Sozin had become Fire Lord. At Roku's wedding, Sozin took the position of his best man. At the wedding, Sozin commented that the Fire Nation was going through a period of great prosperity and told Roku that together, the two of them could spread it to the world by expanding the empire.

Roku is greatly disturbed by this, telling Sozin that the four nations are meant to be kept separate and that he should not think of this again. Several years later, however, Roku discovered that Sozin had set up colonies in the Earth Kingdom and came to rebuke him, leading Sozin to attack him. The two engage in a battle, with Roku finally destroying most of the palace and defeating Sozin. Roku spared his life because of their past friendship but warned him never to move forward with his plans again, or it would result in his "permanent end."

25 years later, Roku's home island was consumed in a volcanic eruption so massive that Sozin could see and feel it from 100 miles away. The Fire Lord flew in on his dragon to assist his old friend. The two used their bending to try to contain the lava flow but were hindered by poisonous gases, which eventually overwhelmed Roku, leaving him lying on the ground and begging for his old friend's help. However, Sozin suddenly realized that Roku's death would allow him to fulfill his plans, and left his old friend to die along with his dragon Fang.


Sozin starting the war.

Twelve years after Roku had died, Sozin used the power of a comet to enhance the power of his firebender army and launched a genocidal attack on the Air Nomads in an attempt to kill Aang, the new Avatar, and halt the Avatar cycle. However, Sozin failed, as Aang had ran away from the Air Nomads some time before. Sozin spent the rest of his life searching, so that he could find and destroy the last airbender.

After the comet, he lived 20 more years and had a son, Prince Azulon. It is unknown what kind of relationship Sozin had with his son, but Azulon would come to share his thirst for world domination, including Ozai, Azula and their followers, and became a terrifying dictator. It is unknown who Sozin's wife was.

One of his lesser-known military accomplishments during this period was the Battle of Han Tui, which was applauded as a magnificent display of skill and military cunning.

At some point during his reign, probably after Roku's death, Sozin started the tradition of hunting dragons for glory. For a firebender to be able to kill a dragon, the original firebenders, he would be showered with glory and praise, and earn the honorary title "Dragon". This led to the dragons' near-extinction.

However, it appeared that at the end of his life he regrets what he started by stating "As I feel my own life dimming, I can't help but think of a time when everything was so much brighter....". Though betraying Roku is probably what he was referring to.

He eventually died at age of 102. Rumors from citizens suspect he lived to be older due to the influence of the power of the comet. According to what was learned in Fire Nation schools, Sozin died peacefully in his sleep, a very old and successful man, though he failed with his quest to find the last airbender and stop the potential threat of the Fire nation: The return of the Avatar.


The War that Sozin began finally ended in 100 ASC when Avatar Aang reemerged after 100 years of suspended animation and defeated Sozin's grandson, Fire Lord Ozai.

Over 70 years later after the defeat of Fire Lord Ozai, during Harmonic Convergence, the nigh-genocide against the Air Nation was undone when new airbenders started to show up and eventually the Air Nation was reborn. Ultimately, Fire Lord Sozin's harm against the balance of the world was repaired.

When Zaheer met with Korra in the spirit world, he mentioned Sozin as an example of abusive tyrants who damaged the world for their selfish ambitions when defending his desire to eliminate all world leaders, as Sozin's desire for expansion caused the near extinction of an entire culture.


Sozin was ruthless, merciless, and inconsiderate as Fire Lord, as demonstrated by his ordering the genocide of the Air Nomads simply to locate and destroy a single obstacle to his power, and his decision to start the tradition of hunting dragons, despite having one as a companion. His betrayal of his closest friend, Avatar Roku, also highlights his willingness to embrace power over friendship and kindness. However, unlike his more warmongering and militaristic son, Azulon, and his grandson, Ozai, Sozin (at least initially) saw his war with the other nations as a case of "ends justifying means" - he hoped not simply to increase his own power, but to provide the other nations' with the Fire Nation's higher standard of living and perceived better system of order. Domestically, Sozin preferred to silence, but not to completely destroy, opposition to his policies. This is exemplified in the fact that he did not execute Fire Sage Kaja, a known friend of Roku, when the latter declared that the new Avatar had not died during the Air Nomad Genocide. Additionally, when Sozin wanted to eliminate the Fire Nation's ancient history to legitimize his policies, he chose not to destroy the historical corridors of the Dragonbone Catacombs but to simply seal them, believing that he could still learn from the past.

Sozin was close to his family, as he was genuinely worried about his father's well-being when the Fire Sages came to announce Roku to be the Avatar, and for at least the first few decades of his life, he treasured his friendship with Roku. Despite their unpleasant split decades earlier, he went to help his former friend when he saw Roku's volcanic island erupt; though despite Roku saving him at one point, Sozin ultimately left him to die, realizing that without the Avatar, he was free to carry out his plans for the Fire Nation and the world.

It was indicated that at the end of his life, Sozin came to regret his actions, apparently as he finally realized that while his intentions were noble, the war he started and the many atrocities he committed was only leading to more pain through the world, but unfortunately, he was too weak and too old at that time to try to achieve any measure of redemption.

Powers and Abilities


Sozin removes the magma's heat. Being Fire Lord, Sozin was a powerful firebending master. When he was young, he sparred with Avatar Roku and defeated him on at least one occasion. When Roku confronted him years later about his actions in the Earth Kingdom, Sozin attacked him by unleashing a massive wave of fire against him, one of the most powerful blasts in the series, even though he did not have access to the power Sozin's Comet provided. However, he was still no match for Roku, who had the other three elements and the Avatar State at his command. When he helps Roku tame an erupting volcano, he uses a technique to redirect heat, cooling the lava. The technique he used appears to be similar to Iroh's lightning redirection move.

Other Skills

Sozin was a very knowledgeable and intelligent strategist. When he and Roku were teenagers, Sozin tricked Roku into tripping over a tree root in order to win a sparring match. Sozin's knowledge made him a capable military leader. He was able to realize with Roku dead, he could accomplish his goals with no hindrance. During the War, Sozin won the Battle of Han Tui by taking advantage of the fact that the enemy had been in the middle of a drought and downwind. According to Azula in a later recounting of the event, their defenses burned to a crisp in minutes.


Main article: Fire Nation Royal Family Tree
  • Azulon (son)
  • Ilah (daughter-in-law)
  • Iroh (eldest grandson)
  • Lu Ten (eldest great-grandson)
  • Ozai (youngest grandson)
  • Ursa (granddaughter-in-law)
  • Zuko (youngest great-grandson)
  • Azula (youngest great-granddaughter)



Sozin's official portrait.

  • A recent fan theory suggests that Vaatu used the approaching Harmonic Convergence to spread dark energy which ultimately caused Fire Lord Sozin to leave his friend, Avatar Roku, to die and exterminate the Air Nomads. This theory also has some in-universe basis, since, in Beginnings: Part 2, a tribe of firebenders attempted to take lands from spirits for themselves and became violent and destructive in order to achieve this goal. This occurred partly due to Vaatu's malevolent influence growing from the upcoming harmonic convergence. [1] Dark Spirits also proliferated during the Hundred Year War because of the huge amount of negative energy, which is something Unalaq claimed would happen if the Water Tribes went to war, and was correct about.
  • Sozin's name, (蘇進, pintin: sū jìn), translates as "revival and progress".
    • However this is ironic as Sozin's policies as Fire Lord were actually regressive.
  • Sozin's name is closely related to the Persian name "Souzan", which means "fire".
  • Sozin's name is spelled very similar to Yamana Sōzen's surname. Both had disputes with another person, Sozin with Roku and Yamana with Hosokawa Katsumoto, which assisted in the creation of a war for both, although unlike Yamana and Hosokawa, Sozin and Roku were never actually at war against each other.
  • Sozin's ideologies share many similarities to the ideologies of Emperor Meiji, as they both believed that their duty was to bring prosperity to the rest of the world by colonizing foreign lands. In addition, the Fire Nation's atrocities such as the Air Nomad Genocide reflect on Imperial Japan's "Greater East Asia Co-Prosperity Sphere" ideology.
  • Fire Lord Sozin had his son, Fire Lord Azulon, very late in life; since Azulon was born shortly after the start of the war, Sozin would have been 82 years old at the time.
  • It is also possible that Sozin's father was mentioned once in "The Avatar and the Fire Lord", he was an elderly man when he had Sozin. This is slightly hinted when the Fire Sages arrived to announce Roku as the Avatar, Sozin worriedly asked about his father's health - a further hint is Sozin's ascendancy only a few years later, when Roku returned.
  • Sozin's official portrait features firebending soldiers, a scroll in his hand, and a comet, signifying his military buildup and the beginning of the War, the many reforms under his rule, and of course, the coming of the comet which now bears his name.
  • Sozin appeared to have made the biggest impact of any character on the world, single-handedly starting the War, and then ordering that all of the Air Nomads be hunted down.
  • According to "Avatar Extras" an early script of the premiere episode included a friendly duel between Avatar Roku and Sozin when they were younger, similar to the one shown in "The Avatar and the Fire Lord".
  • Avatar Extras state that people in the Avatar universe believe that the power granted from Sozin's comet is what allowed Sozin to live as long as he did.
  • Sozin learned of the Avatar's survival from Kaja (A Fire Nation Sage).
  • Sozin is possibly based off of real life dictators that escaped justice for their actions.
  • Sozin was the only known political figure to force an Avatar to choose between loyalty and duty and get away with it, albeit being threatened and having to wait until Roku died.
  • Sozin was also the Fire Lord responsible for manipulating firebending's roots, changing it to match his militaristic and conquering goals, as well as criminalizing same-sex relationships according to The Legend of Korra graphic novel trilogy Turf Wars, why he did this is unknown however.
  • Sozin began the tradition of hunting dragons, the original firebenders. This likely helped reduce the spirituality of the nation to the point where the Fire Sages would be more inclined to obey him, and further reduced the old understanding of firebending i.e. the importance of the dragons and the sun.
  • Sozin is the earliest Fire Lord developed in the series.

External links


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Fire Nation
Fire Lord Ozai (Live-Action) | Fire Lord Azulon | Fire Lord Sozin | Azula | Zhao (Live-Action) | Zuko (Live-Action) | Ty Lee | Mai | Ukano | Combustion Man | Yon Rha | Offshore Prison Warden | Boiling Rock Warden | Bujing | Mung | Chaejin | War Minster Qin | Lo and Li | Colonel Mongke | Vachir | Loban | Circus Trainer | Jailer

Earth Kingdom
Jet | June | General Fong | Xin Fu | Yu | Gow | Ghashiun | Long Feng | Liling | Ru | Yaling | Earth Queen Hou-Ting | Dai Li Sergeant | Jianzhu | Yun | Chin the Conqueror | Mayor Tong | Biyu | Earthbender Consul | Ganbat | Earth Empire (General Kuvira | Baatar Jr. | Commander Guan | Dr. Sheng)

Water Tribe
Hama | Tahno | Tarrlok | Noatak | Yakone | Varrick | Zhu Li | Chief Unalaq | Eska | Judge Hotah | Gilak | Thod | Lirin | Thod's disciples

United Republic of Nations
President Raiko | Wonyong Keum | Jargala Omo

Triple Threat Triad
Tokuga | Lightning Bolt Zolt | Shady Shin | Viper | Two-Toed Ping | Zhen

Amon | Lieutenant | Hiroshi Sato

Red Lotus
Zaheer | Ghazan | Ming-Hua | P'Li | Aiwei

Xu Ping An| Mok | Wai | Four Shadows Guan

Vaatu | Dark Spirits | Hei Bai | Wan Shi Tong | Koh | Kemurikage | Old Iron | Father Glowworm

Other Groups
Dai Li | Rough Rhinos | Southern Raiders | Yuyan Archers | New Ozai Society | Royal Procession | Yellow Necks | Saowan Clan | Pirates | Fifth Nation | Sandbenders | Freedom Fighters | Bison Rustlers

Jesa | Afiko | Tagaka | Lian | Hundun