Nymira

Before Raava and Vaatu, four noble girls facing brutal execution birthed the elements; now, generations later, Team Avatar and Korra's crew must watch this hidden history unfold and realize their very bending styles are echoing the defiant spirits of these unseen, fractured ancestors.

Before the Avatar, four condemned girls defied execution by bending the elements, fracturing reality and unknowingly giving rise to Raava and Vaatu—a secret history revealed when the heroes of the Avatar universe are summoned to witness it.