Nickelodeon officially announced on its Twitter page that Book 4 of 'The Legend of Korra' is almost finished and will be ready to air soon. The producers also revealed that the fourth season (Book 4) will be subtitled, 'Balance'.

Co-creator Bryan Konietzko and the rest of Korra Nation advised avid viewers and readers to brace themselves as the fourth season is certain to fulfill fan expectations. The official Twitter post reads, "Start preparing your mind, body, and soul for #LegendOfKorra Book 4."

According to producers Konietzko and Mike DiMartino, they said that The Legend of Korra: Balance' has a finished script, and is now in its animation phase. Fans can expect that Book 4 tackles equilibrium on both counts, the character's spiritual being as well as their physical being. All this is set to appear as they quest to find peace in the world.

In the Book 3 teaser, a few clips from Season 4 were leaked featuring one of the new characters, Kuvira. Kuvira appeared in the penultimate episode of Book 3 where she saved Tonraq's life after Zaheer pushed him off the cliff.

Although Kuvira has exhibited good deeds by saving Tonraq using her metal wires, it seems normal that fans can expect a twist in the story considering Kuvira's mischievous personality.

'The Legend of Korra: Balance' premieres sometime in February 2015.