After ending up in a strange place in an even stranger world, a Psyker and an Eldar are now considering whether it would've been a better decision to kill each other when they first met. Or whether they should've run away when they met the blind girl.

One of the God-Emperor’s 20 infant Primarch sons arrives upon the world of Avatar. His mere presence will change the status quo of the Four Nations forever, and drag the realm into a new era of war and imperialism, tearing apart the cosmos…

AU: The world of Avatar but with the humans having tails like Saiyans. 100 years after being frozen in ice, 18-year-old Aang awakens to a world where the Fire Nation has nearly won the war and having a certain princess chasing him.

Found by the Dragon of the west and trained by the rising Sun, this boy shall raze all before him and reduce it to ash. None shall stand in his way and only One can direct him. The Avatar shall know his wrath. (OOC Naruto not evil but unhinged) Naruto x Azula x Mai x ty lee x Toph

Harry doesn't know about the other world of benders. Well at least until he was sent there. Harry will have to work together to survive.. and get back

The True Organization XIII has teamed up with the Fire Nation and it's up to Sora and Team Avatar to stop this new evil alliance before darkness spread across the world.

After getting kicked out, Cade Yeager welcomed the mysterious Airbender into a new home. Not sure what Optimus Prime or Autobots will say about this young poor guy. Will the heroes willing to keep the young Airbender as a new member of the Autobot? Two Optimus Primes. Warnings will apply in chapters. R & R

Join the Owl House as they meet a girl named Luz who is an Airbender and the Avatar.

Percy somehow ends up in the world of Avatar. Not entirely clear how or why yet. Now all he wants is to get back home and see Annabeth again. And maybe he'll save some people along the way. He tends to do that.

The four elemental kingdoms have been separated for years, decades, and centuries due to a long-lasting feud. Now after a series of hell-storm attacks on each kingdom, the new rulers come together to stop the feud. Not realizing there is a secret force working against their every move. The Queens of the Water. Queen of the Fire. King of the Earth. And Queen of the Air come together

Zuko is Touya Todoroki Let's see what changes.

Itachi is born to the noble fire nation clan of the Uchiha, raised to bring honor and glory to both the Uchiha and the fire nation. but what happens when Itachi strays from his given path? how will Itachi Uchiha impact the world and fulfill his own destiny, his way. AU

A hundred years after the great massacre the remaining air nomads went into hiding, sacrificing their way of life and culture, all in the name of survival. Now, we follow a young airbender called Naruto and his dangerous mission to find Avatar Aang and help the young boy along his journey with mastering all four elements. Small Harem.

Naruto and Sasuke join the world of avatar after their fight at the Valley of the End. they are dumped head first into the 100 year war. how will they survive in a world where death and destruction are a common occurrence? how will they live in this war torn world? NO-HAREM, possible lemon

After being overwhelmed with the hardships of being a goddess, Ladybug leaves her old life behind to live as a human on earth.

After confronting a mysterious man who had broken into his house, Shujinko Ozuma, a fourteen year-old Chunin, gets thrown into the Avatar universe by accident. There, he will meet Avatar Aang and join his group as they fight against the Fire Nation. But who is this mysterious man? And why does he knows about the Ozuma clan's past? Will Shujinko ever return to his home?

Well, Danny Phantom is dead. He lived a good life, saved plenty of people and led the people of Amity Park in a brutal war against the resurrected Ghost King. A good life overall. But his death is not the end of his story and Clockwork has seen fit to dump the Half Ghost Hero in another world where the four elements rule over the world and where a princess needs a friend.

Entire same buildup as The Legend of Ruby by Rassilon001, but with a more positive ending for Avatar Ruby, as she regains her avatar spirit, something I felt she deserved in the original story.

Following the demise of Avatar Korra; the Earth Nation seeks out the newest successor to the Avatar spirit Raava. A young earth-bender named Tae is thrilled to discover that she would take up the mantle of bringing balance to the world. In order to protect those dear to her, she decides to embark on her journey to discover what it means to be the Avatar to better ensure harmony.

Ozai has gone missing. It's been two years since his disappearance, but now he's back with a foreign but frightening power. In a last-ditch effort, the Avatar and the gang are transported to a new world. Upon meeting some unusual people, they must learn from them on how to be stronger, to rise against a world full of Gods and Monsters. Ta-Zut-Suk-LuNa ships. Cover by Ash-can on DA.

After his final confrontation with Sasuke leaves him stranded far from home, in a land on the edge of total conquest, Naruto is reluctant to partake in another global conflict, especially one not his own. This comes amidst his own internal struggles to discover a way forward and back home. Although the bonds he makes along the way may make it difficult to remain impartial.

Water! Earth! Fire! Air! Pokemon? After getting swooped away, Makoto helps Aang try to learn the four elements while also trying to find his friends and the diamonds that got him in this mess in the first place! *First true part of the Celestial Squad series*

Thrown into the past with part of her memory lost, Jinora ends up becoming the reluctant possession of the Fire Nation's Princess. Azula is pleased to find a possible new girlfriend after her previous one left her for the circus. Jinora isn't so sure. Cover art by Sessalisk from DeviantArt.

Un semidiós ha sido enviado a un mundo donde los mortales tienen la habilidad de controlar los elementos. Un mundo que ha estado en guerra por cien años. Un mundo que necesita desesperadamente un salvador. ¿Qué sucederá cuando un hijo de Poseidón llegue a las Cuatro Naciones? ¿Será su salvador? ¿O será el heraldo de un futuro mucho más oscuro? Crossover entre Percy Jackson y Avatar

A demigod has been sent to a world where mortals have the ability to control the elements. A world that has been at war for a hundred years. A world in desperate need of a savior. What will happen when a son of Poseidon reaches the Four Nations? Will he be their savior? Or will he be the harbinger of a much darker future? A crossover between Percy Jackson and Avatar.