Water
Earth
Fire
Air
Fan & Sword
400

These two spirits reside in a sacred oasis in the North Pole under the watchful eyes of the Northern Water Tribe

Who are Tui and La, the Moon and Ocean Spirits?

400

According to legend, these two lovers were the very first human Earthbenders

Who are Oma and Shu?

400

According to the opening narration, this changed when the Fire Nation attacked 100 years prior

What is Everything?

400

Instead of occupying a centralized nation-state, the Air Nomads lived in temples at these locations across the globe, another term for the points on a compass

What are the Cardinal Directions?

400

Due to its unique origin, Sokka affectionately dubbed his weapon this

What is "Space Sword?"

800

After Aang's former waterbending master finally reunited with his childhood love, they married, prompting Sokka to ask if they could call him this

What is "Grand-Pakku?"

800
Higher officials in the Earth Kingdom never forgave Avatar Aang and Fire Lord Zuko for founding this city on what they believed to be stolen lands

What is Republic City?

800

By studying waterbenders, Iroh developed this technique to counteract one of the most advanced expressions of Firebending

What is Lightning Redirection?

800

This term used to describe Korra's merging of the physical and spiritual worlds led to a revitalization of the Air Nomads as people across the world suddenly developed airbending

What is Harmonic Convergence?

800

Suki and Sokka would finally reunite after a prolonged absence when he, with help from Zuko, attempted to spring her from this famous Fire Nation prison. He just might not have known she was there to begin with...

What is the Boiling Rock?

1200

Self-described as a "go with the flow" type of Avatar, his actions against the spirits would result in losing his fiancée to Koh the Face Stealer and his inaction in the physical world led to great political upheaval that would be passed onto the next Avatar upon his death at just 33

Who is Avatar Kuruk?

1200

These two characters have each independently claimed to be the strongest Earthbender in the world. It's hard to argue with either of them

Who are Toph Beifong and King Bumi?

1200

Of the eighty-five distinct types, Firebenders are said to employ this manifestation of chi in combat, one relying on aggressive strikes and constant action

What is Positive Jing?

1200

Both Roku and Guru Pathik claimed to be personal friends with this man, Aang's closest mentor and friend at the Southern Air Temple

Who is Monk Gyatso?

1200

Both Sokka and Suki--the latter far morseo than the former--have demonstrable skill in the use of a war fan, a real-life martial art known as this

What is Tessenjutsu?

1600

The only member of the Order of the Red Lotus to not demonstrate a variation on their natural bending, she nevertheless expressed such mastery over waterbending that she could more than compensate for her lack of arms

Who is Ming-Hua?

1600

In spite of what conventional wisdom might assume, this is actually an advanced form of Earthbending, not Firebending

What is Lavabending?

1600

Roku's impatience in mastering this aspect of his powers led him to use the spiritual energy of the Winter Solstice Sun as a means of forcing its manifestation. Although he succeeded, he was unable to control it and nearly destroyed the Fire Sage's temple and the nearby islands before he was stopped

What is the Avatar State?

1600

Zaheer and Avatar Yangchen expressed reverence for this Air Nomad philosopher, considering him to be the wisest and most legendary of the gurus. He was the first person in history to severe his earthly tethers to such a degree that he mastered unassisted flight

Who is Guru Laghima?

1600

In later years, Sokka became the chairman for this auspicious body and even oversaw the sentencing of Yakone, Amon and Tarrlok's father

What is the United Republic Council?

2000

In a reflection of real life, the comics showed that industrialists built one of these in the Southern Water Tribe in an attempt to make it an economic power on the global stage. Needless to say, Katara and the other environmentally-minded southerners were not happy about it

What is an Oil Pipeline/Refinery?

2000

Easily the most famous Earth Kingdom citizen of all time, Avatar Kyoshi lived a life filled with many accomplishments, including her death. At this age, she is the oldest living human in recorded history

What is 230?

2000

Originally conceptualized for the show, these vengeful spirits of wronged Fire Nation women finally debuted in the comic storyline Smoke and Shadow, appropriate given that their name is the combination of the Japanese words for Smoke and Shadow, respectively

Who are the Kemurikage?

2000

Of all of the known Avatars, Avatar Yangchen was the most affected by her past lives, to the point of outright possession. This condition and her struggles to maintain a centralized sense of self led these fire-and-water spirits to call her a "hollow shell" when they met on Ma'inka Island

What are Phoenix-Eels?

2000

Suki and the rest of the Kyoshi Warriors became the personal bodyguards to this leader of a foreign government after the War

Who is the Fire Lord?