In the Avatar universe, what is it that stops other people physically or spiritually, besides the Avatar, from mastering the four elements?

  • While it doesn't explicitly answer your question, there is some good discussion about this in What determines a bender's element
    – phantom42
    Commented May 14, 2012 at 22:15
  • @phantom42 link broken Commented May 14, 2012 at 22:15
  • Here is the link. Commented May 14, 2012 at 22:34
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    oops, thanks. too many windows open at once.
    – phantom42
    Commented May 14, 2012 at 23:05
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    The same thing that stops you from mastering all four elements: they simply can't do it.
    – Nerrolken
    Commented May 26, 2015 at 16:34

5 Answers 5


Only the Avatar can master all four elements. It has nothing to do with the skill, worthiness, lineage, karma, chi or capabilities of an individual. Only the Avatar who is linked specifically to the spirit of the world and able to trace his reincarnations has the spiritual capacity to manipulate more than a single element. This information is backed up by the Avatar IP Bible used by the staff of the show. The basic rules are listed at the end of the document and are concurrent with the suppositions listed here.

UPDATE: With recent additions to the Legend of Korra and particularly the flashback episodes Beginnings 1 & Beginnings 2, it is confirmed the ability to bend multiple elements in a single person is due to the spiritual merging of the first Avatar Wan and the spiritual being known as Raava, the Spirit of Peace.

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There have been plenty of masters of the bending arts whose mastery was undisputed including Fire Lord Ozai, Combustion Man, and Princess Azula (sister of Zuko) to name three but this did not give them mastery of any other element. Two of the three of these would have certainly sought greater power if it were available to them.

Elemental bending is linked to:

  • An as yet undisclosed genetic disposition linked to the various kingdoms. Each of the kingdoms has a predisposition for each element. Each claims to have been taught or influenced by a natural phenomenon or animal patron; fire by the dragons, Earth by the badgermoles, Air by the skybison and Water by the moon. No one may bend an element not native to a land of one of their parents.
  • Cultural technique even within an element may take precedence and influence how an element is controlled. An Earthbender of Ba Sing Se and an sandbender of the Earth Kingdom deserts are both Earthbenders but each deals with their element based on the training of their respective cultures.
  • Consistency and training; a bender may have the aptitude for bending but without training and discipline may never develop any significant ability. Consider Kitara before she left the Water Tribe. She was able to bend but it was uncontrolled and the results unpredictable.
  • A personality profile does seem to affect how easily or difficult it is for a bender to master their element. If their personality runs contrary to their element's nature, they may have greater affinity or difficulty mastering it. Consider Aang and Earthbending, it was completely foreign to his personality.
  • With discipline, subsets of that element can be controlled as well; fire can bend lightning, Earth could bend metal, Water could bend blood or perform healing. Air does not appear to have a subset skill.
  • There is the lost art of energybending of which there are no living beings capable of performing it. The last known energybender was Aang who was taught by the lion-turtle.
  • Aside from the Avatar, who is the living spirit of the world, no one has displayed a propensity or capability to bend more than one element at a time. Indeed this is the hallmark of the Avatar and the indicator of their reincarnation after death.

The Avatar is the spirit of the planet incarnate in human form, and thus the only physical being with the ability to practice all four bending disciplines.

--Wikia entry on The Avatar

The only case of any one person being able to bend multiple elements, or an element not associated to their nation of birth, is the Avatar, the spirit of the world incarnate, having the ability to practice all five bending arts.

--Avatar Wiki entry on bending arts

Bending is a form of elemental mysticism in the award-winning animated television series Avatar: The Last Airbender where a "bender" is able to control and manipulate one of the classical elements: water, earth, fire, and air. Each element is associated with a different type of bending: Waterbending, Earthbending, Firebending, and Airbending, respectively, all of which are based on a different real-world martial art. A person who is a Bender (not all people are Benders) can only bend one element. The only exception of this rule is the Avatar, who can bend all four elements.

--Wikipedia entry on bending

See my link on What determines a Bender's element?

With the release of the Avatar the Last Airbender IP Bible, (kudos to Keen for finding it) several of the suppositions I made have been released and confirmed. I am copying them here in the event the source document link is later lost. Rationales are not always listed but some things are clearly defined:

From page one of the Rules:

  1. A bender's powers cannot extend beyond his native element.
  2. Only the Avatar can master all four elements
  3. Bending is the physicial manipulation of the elements and is defined by the skill, strength and stamina of the practitioner.
  4. The ability to bend is something you are born with. And not everyone in a nation is a bender. Only a small percentage of each population is a bender.
  5. Benders represent only small percentage of all people in the world. They may be born to parents of benders or they may be born to parents with no powers.
  6. A Bender's skill level determines the range of his attack
  7. A Bender's elemental powers never extend beyond their immediate area.

This document qualitatively proves no one but the Avatar can master the four elements and no one can ever bend more than a single element.

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    Absence of evidence is not evidence of absence; that's my only quarrel with this answer. Commented May 15, 2012 at 15:08
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    @GabeWillard The show has explicitly presented the universe as having this limitation. "Only the Avatar mastered the 4 elements," is what the opening introduction of the first episode establishes.
    – user1027
    Commented May 15, 2012 at 17:01
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    @Keen Just like Appa was the last sky bison. Regardless, this answer does very little in the way of actually explaining why someone can't bend two elements. It goes a lot into explaining that the show repeatedly says that only the Avatar bends all four elements. Commented May 15, 2012 at 17:52
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    The show has not defined anything other than it cannot BE done. The dynamics have not been explained well enough for any form of speculation to be made. This is as good as it gets. Commented May 15, 2012 at 18:03
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    @Thaddeus The show a has defined that no one but the avatar can Master and Bend all four elements. It has not said that none can bend any element except their own. Toph was the first metal bender and energy bending was the first forgotten bending so how can it be definite that no one else can bend more than one element. All four is clearly stated that the Avatar is the only one, but the series doesn't definitely state that none can bend two elements. Commented May 15, 2012 at 19:29

Per the Avatar: The Last Airbender bible, which was partially posted here, no. Only the Avatar is capable of bending more than one element.

A bender's powers cannot extend beyond his native element. (a Waterbender can only bend water, a Firebender can only bend fire, etc.)

Further, the The Legend of Korra episode Beginnings indicates that humans could bend more than one element, with the assistance of the spirit Raava and the lion-turtles who granted humans bending. However, due to her merging with Wan, and the lion-turtles who granted bending to humans leaving the physical world for the spirit world, no one except the Avatar is capable of this feat. (there's one likely theoretical exception though, if someone who journeyed to the spirit world and worked with Vaatu, they might manage to gain control over multiple element bending)


As a supplement to the other answers: It appears to be that Energybending -- the form of bending used before the Avatar -- is just a lost art. Not impossible to use, just lost.

Before the Avatar came into existence and the separation of the four elements, people bent the energy within themselves. Eventually, they discovered the other four bending arts, and, over time, the knowledge to perform energybending was almost completely lost.

It's knowledge, so there must be a way to discover it. If another bender rediscovers energybending (remember, many people now know of its existence, just that nobody knows how to use it).

Once they learned energybending they probably could force the ability to bend different elements out of other benders.


When Avatar (Korra) allowed the Spirits to enter the physical world, people mysteriously began to gain the ability to bend air, only few had access to this power because,to have gained it,both your Parents or your Grand Parents had to be 2 Water benders, 1 air bender and 1 water bender, or 2 air benders. The energy that spread the power could go extremely far but, it didn't get as far as the water tribe, on the other side of the world (as you know they didn't search there.) but, If someone with those Genetics may have been somewhere closer at that time, they could have gained two bending abilitys.

In addition,

There is one problem with this though, the body can't handle bearing more than one element but, no worries, On an episode of The legend of Korra we met, Wans uncle, who had been possessed, this in fact made him a better bender as his body was able to handle it. So when unalak released all the spirits whilst fighting giant Korra, someone may have been possessed making them strong enough to bear two elements.

It hasn't been seen though, and Bryke hasn't said anything so, I guess we'll never know.


All of this is severely outdated. Bending was given by Lion Turtles. Lion Turtles only gave multiple elements to Ravaa to eventually give to Wan. It's possible others could have had multiple elements and not die in the process of being overly strained, but all Lion Turtles capable of granting bending were hunted and killed according to the Avatar wiki. Thus, nobody will ever be able to bend multiple elements or even attempt it as the source of the original granting is gone. Not even the Dark Avatar could multi-bend as Vaatu was never given the powers to hold by the Lion Turtles.

The only Lion Turtle left is the one who can grant energy bending, and he keeps well hidden and on the move.

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    There is no evidence to suggest that particular lion turtle could only energy bend and not represent an element. The implication was that lion turtles used energy bending to bestow humans with a particular element, which is would explain the glow. As it stated,'in the era before the avatar, we bent not elements but energy within ourselves'. This pretty much implies that energy bending is bending in its purist form was used to give bending.
    – Reiko96
    Commented Apr 20, 2014 at 22:08

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