What happened to the world in Avatar: Seven Havens? The Cataclysm, explained

The series, created by Michael Dante DiMartino and Bryan Konietzko, premiered on Paramount+ on October 9 with the first episodes of Book 1, "Survival," and new batches arrive weekly. It's set 225 years after The Legend of Korra. Pavi, a nine-year-old orphan and Earthbender voiced by Saheli Khan, learns she is the Avatar, in a world that treats the Avatar as its destroyer. Her long-lost twin, Nisha, voiced by Aishu Devan, turns out to be one too.

What the Cataclysm was

The show hasn't said exactly what happened, only what people believe happened and what was left afterward. Ellora's version is laid out in the first episode's opening narration.

"Yet the Cataclysm left our world in ruins," the narration says, moments after celebrating that "the Avatar's cruel reign over humanity finally ended."

The blame is specific. "Avatar Korra caused the Cataclysm," Karthik, the airbending captain of Ellora's Brigade, tells Pavi in episode 2. By the reckoning of the people who live with its consequences, it happened roughly two centuries ago. Here's what didn't survive it:

• The nations — the four elemental nations are gone, and so is industrial civilization.
• The weather — the land outside the cities, the Harshlands, is swept by tornadoes and sandstorms.
• The border with the Spirit World — spirits now cross into the human world, and the cities are built to keep them out as much as bandits.
• The records — in Karthik's words, "Most recorded history is lost."
• The benders — fewer are born each year, which is why the cities draft every one they find.
• The White Lotus — the old order that protected the Avatar has dwindled to almost nothing.

The Seven Havens

The survivors regrouped into seven fortified cities. The narration credits "our ancestors" with banding together to build them, and each haven found its own way to keep people alive. So far, the show has only taken viewers inside one.

Ellora is a walled city built into slot canyons, with most of it below the surface and a geometric spire rising from its exposed center. Its design draws on the Ellora Caves in Maharashtra, India, and it mixes every bending style and culture. It is run by a Chancellor and a Council, and it protects itself with the Bending Brigade.

Every bender in Ellora must register and serve. Children are drafted once they reach middle school age, which is why Pavi spends the opening episodes trying to stay out of the Brigade's sight. When a storm injures Commander Bountan, Karthik takes over, and he clashes with the Chancellor, who refuses help from the other havens rather than let Ellora look weak.

The havens were built on the idea that the Avatar ended the old world. A city that drafts its children to survive has reasons to keep believing it.

The gap nobody explains

The biggest hole in the official story is time. Avatars are normally reborn soon after one dies, which should have produced several Avatars in 225 years. Instead, the twins are the first anyone in Ellora knows of since Korra, and there are two of them, which has never happened before.

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What the first six episodes add:

• Nisha's training — Karthik found her years before the story starts. "Captain Karthik found me three years ago and trains me in secret," she tells Pavi.
• The parents — in episode 5, the twins find a message their parents sent Karthik, asking him to find Nisha in the Harshlands. It describes a storm destroying their home.
• Pavi's leg — episode 6 reveals she lost it years ago, rather than being born without it.
• Energybending — the twins energybend for the first time in episode 6, an art the world believed was lost.

Did Korra really do it?

Ellora is certain. Its festival stages a play in which an actor in a Korra costume growls: "Rawr. I'm Avatar Korra, here to wreak havoc on your lives." The first doubt comes in episode 2, when the man who has been training her sister tells Pavi he believes in "a more hopeful version of the Avatar than the Seven Havens do."

The trailers complicate things further. One shot shows Korra with gray hair, fighting somewhere that resembles present-day Ellora.

Co-creator Michael Dante DiMartino has said the premiere isn't the whole account: "there's more to Korra's story than you see in the first couple of episodes."

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