Korra begins to learn more about Wan and Raava. Korra learns that Wan has gained all of the elements from the lion turtles. Vaatu plans on plaguing the world into eternal darkness during Harmonic Convergence. Wan and Raava must work together to stop Vaatu, the battle almost goes poorly for Wan, but he and Raava fuse together permanently, he imprisons Vaatu in the Tree of Time. Wan vows to restore balance to the world. However, this proves to be a daunting task for the Avatar. Many years later, an elderly Wan apologizes to Raava for not bringing peace and balance to the world, but she assures him they will be together for an entire life time and they will never give up. Wan exhales his last breath and the Avatar cycle begins. Korra wakes up and she remembers everything. Korra leaves the Bhanti Village Temple by a sky bison and she heads off to the Eastern Air Temple to get help from Tenzin in order to prevent her evil uncle from releasing Vaatu.
—dawsonpersi