50 years after the fall of the Earth Empire, the world has seen seismic change, with a range of threats, old and new, seeking devastation alike. But after Korra's fall after the Great Comet, a new Avatar must rise to face the darkness, but... when they needed him most, he disappeared.

50 years after the fall of the Earth Empire, the world has seen seismic change, with a range of threats, old and new, seeking devastation alike. But after Korra's fall after the Great Comet, a new Avatar must rise to face the darkness, but... when they needed him most, he disappeared.