Harmonic Convergence

Lore & Background

The lore surrounding Harmonic Convergence centers on the eternal struggle between Raava, the spirit of light, and Vaatu, the spirit of darkness. Before humans existed, these two spirits fought during every convergence to determine which would rule the world for the next ten thousand years. This cycle was broken when Wan, the first Avatar, fused his soul with Raava to imprison Vaatu, though the astronomical alignment itself continued. In the series' present day, Unalaq exploited this ancient rhythm. He sought to free Vaatu during the convergence to become a Dark Avatar and unite darkness with light on his own terms. The conflict reached its zenith when Korra defeated Unalaq, but instead of closing the portals as tradition might suggest, she chose to leave them open, allowing a new era of coexistence between spirits and humans.

In Their Own Story

The event unfolded in Book Two: Spirits, where the setting expanded to include the southern polar region alongside Republic City. As the decamillennial alignment approached, Unalaq seized power in the Southern Water Tribe and manipulated the convergence to free Vaatu. The climax occurred when Unalaq united with the spirit of darkness to become a dark Avatar. Korra faced this threat at the spirit portals, ultimately defeating him. In a move that defied the expectations of her predecessors, she chose not to close the portals between the material world and the spirit world. This decision allowed spirits and humans to coexist in a new way, fundamentally changing the world's spiritual geography.

Reader's Guide

For those studying the history of the Avatar universe, Harmonic Convergence is defined by its frequency: it happens once every ten thousand years. It is the specific moment when Vaatu was freed from his prison and when nonbenders began developing airbending powers due to the surge in spiritual energy. This event marked the beginning of a new era where the spirit portals remained open, facilitating travel between worlds. The convergence also serves as the narrative bridge between Book Two: Spirits and Book Three: Change, where the aftermath of these events leads to the rise of new airbenders and the formation of the Air Nation.

Did You Know?

• Harmonic Convergence occurs exactly once every ten thousand years.
• The event caused nonbenders to suddenly develop airbending powers, leading to the re-establishment of the Air Nomads.
• Unalaq attempted to use Harmonic Convergence to free Vaatu and become a Dark Avatar.
• Avatar Korra chose to leave the spirit portals open after defeating Unalaq, allowing for a new coexistence between humans and spirits.