Beasts of the Four Nations: Creatures from Avatar: The Last Airbender and The Legend of Korra is the latest offering from John O’Bryan set in the Avatarverse. John O’Bryan has been a veteran of the franchise, writing multiple episodes for Avatar: The Last Airbender.
The art book is set to chronicle the various creatures in the Avatarverse, which might remind fans of Fantastic Beasts and Where To Find Them, the in-universe textbook from the Wizarding World.

Avatar Studios, in that vein, might have a brilliant opportunity on their hands, building out the franchise to have a branch that could focus on the flora and fauna of the world of Avatar, much like Fantastic Beasts.
The plot practically writes itself for a Beasts of the Four Nations spin-off

Beasts of the Four Nations is going to take a close look at the various animals in the world of Avatar: The Last Airbender and The Legend of Korra, as reported by Variety. Published by Dark Horse Comics, the book, if the cover is anything to go by, is going to explore everything from the Lion Turtles that originally lent out bending abilities to human beings, to the various progenitors of the bending arts.
Each Avatar who has ever existed has had an animal companion that has come to be associated with it. Wan had Mula, the cat-deer. Aang had Appa, the sky-bison. Korra had Naga, the bear dog. These animal companions have played an important role in the lives of the various Avatars. Given that the world of Avatar also has some very meticulous historians who talk about the lives of their Avatars, an anthology series that follows the animal companions of each Avatar could be a great show to make.
Alternatively, Beasts of the Four Nations could be adapted to a video game, like a cross between Pokémon and Monster Hunter World, where players don’t have to slay these creatures, but catalog and analyze them.
Beasts of the Four Nations could shed some light on the Avatarverse’s diverse fauna

Avatar: The Last Airbender and The Legend of Korra have introduced a slew of animals to audiences, but there seem to be three discernable patterns when it comes to these animals. There are, of course, completely fantastical creatures like Dragons. Then there are hybrids, such as elephant koi, turtle ducks, and otter penguins. Apart from these other animals are more similar to their real-world counterparts, like pandas and giant wolves.
There also seems to be a connection between the wildlife and how spirits manifest in the Avatarverse. Beasts of the Four Nations could shed some light on why fauna manifests in the world of Avatar the way it does, and whether there is a way to classify them within the scientific understanding of the universe. After all, spirits and spiritual energy are very much a part of the world and could have dedicated institutions and historians to understand them. Beasts of the Four Nations is an investment that is going to be fruitful for the franchise going forward.
Beasts of the Four Nations is set to his books shelves on September 23, 2025, and comic shops on September 24, 2025.
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