The saga of Hydaelyn and Zodiark is the foundational mythos of Final Fantasy XIV, driving the narrative from A Realm Reborn all the way through the conclusion of Endwalker. To understand these two supreme beings, we have to look back over 12,000 years to a time before the universe as players know it existed.
Here is the complete lore of the star’s two eldest primals.
Long ago, there was only one world: Etheirys. It was inhabited by the Ancients, a race of towering, near-immortal beings who wielded profound creation magic. They lived in a utopian society guided by the Convocation of Fourteen, a council of their brightest minds (including key figures like Lahabrea, Emet-Selch, and Elidibus).
Their paradise was shattered by The Final Days—an apocalyptic phenomenon where creation magic ran wild, giving birth to nightmarish blasphemies that burned the world. The Ancients later learned (though they didn't fully understand it at the time) that this apocalypse was caused by Meteion, a depressed empathic entity at the edge of the universe who was flooding Etheirys with a dark emotional energy called Dynamis. Because the Ancients were incredibly dense in aether, they could not manipulate Dynamis and were helpless against it.
To stop the Final Days, the Convocation of Fourteen devised a desperate plan. They decided to create a god of pure **Darkness** (which in FFXIV lore represents Astral energy: activity, growth, and change). By weaving a massive veil of active aether around the star, they could shield it from the influx of Dynamis.
* The First Sacrifice: Creating a being this powerful required an astronomical amount of aether. **Half of the surviving Ancients willingly sacrificed their lives** to summon **Zodiark**. Elidibus served as Zodiark's heart to guide His immense power.
* The Second Sacrifice: Zodiark stopped the apocalypse, but the world was left a dead, burning husk. To heal the land and breathe life back into the planet, another half of the remaining Ancients sacrificed themselves.
The world was saved and nature began to flourish again. However, the surviving Convocation members wanted to resurrect their sacrificed brethren. Their plan was to let the newly sprouted life on Etheirys flourish, and once it was abundant, they would harvest that new life to feed Zodiark and bring their friends back.
A faction of Ancients, led by the former Convocation member Venat (who previously held the seat of Azem), fundamentally disagreed with this plan. She believed that the Ancients were clinging to a lost past and that sacrificing the new, innocent life to resurrect the old would doom their species to arrogance and stagnation. Furthermore, Venat knew the true cause of the Final Days (Meteion/Dynamis) and realized that as long as the Ancients remained so dense in aether, they would never be able to defeat the root cause of the apocalypse.
* The Counter-Summoning: Venat and her followers sacrificed themselves to summon a god of pure **Light** (Umbral energy: stasis, tranquility, and order) designed specifically to keep Zodiark in check.
* The Heart: Venat herself became the heart of this new primal, **Hydaelyn**.
Hydaelyn and Zodiark engaged in a cataclysmic battle. While Zodiark possessed far more raw power, Hydaelyn possessed the power of *stasis* and *enervation*.
Hydaelyn struck Zodiark with a devastating blow that split him apart. Because Zodiark's aether was tied directly to the star of Etheirys, splitting him resulted in splitting the planet itself.
Etheirys was fractured into the Source and Thirteen Reflections (or Shards).
Every living soul on the planet was also shattered into fourteen pieces.
This act, known as The Sundering, created mortal beings. By thinning their souls and making them weak, frail, and capable of feeling deep despair, Hydaelyn inadvertently—and purposefully—gave humanity the ability to interact with Dynamis. She imprisoned the sundered pieces of Zodiark on the moon of the Source and the moons of the Thirteen Shards.
For the next 12,000 years, the two primals played a grand game of cosmic chess.
| Faction | Goal | Method |
|---|---|---|
| The Ascians | Free Zodiark and restore the unsundered world. | Cause world-ending "Calamities" on the Source to force the Shards to collapse and "Rejoin" with the Source, funneling their aether back into Zodiark. |
| Hydaelyn | Protect the sundered world and prepare mankind for Meteion. | Grant her "Blessing of Light" to champions across history (The Warriors of Light) to stop the Ascians and prevent Calamities. |
Over the millennia, the Ascians successfully caused seven Calamities, destroying seven of the Shards and making Zodiark seven times stronger (while proportionately weakening Hydaelyn, who expended her energy protecting the Source).
The eons-long conflict finally concludes in the *Endwalker* expansion.
A rogue Ascian named Fandaniel, wielding the body of the crown prince Zenos, successfully breaches the moon and frees Zodiark. However, instead of restoring the Ancients, Fandaniel possesses Zodiark and forces the Warrior of Light to destroy Him. With Zodiark dead, the planetary shield He generated collapses, and the Final Days resume.
To save the universe, the Warrior of Light travels to the center of Etheirys to commune with Hydaelyn. Exhausted from 12,000 years of holding the world together, she tests humanity one final time to see if they are strong enough to face Meteion. Upon being defeated by the Warrior of Light, Venat uses the absolute last remnants of her soul to empower the player's journey to the edge of the universe.
Both Zodiark and Hydaelyn perish, taking the legacy of the Ancients with them. But in doing so, they fulfill their ultimate, tragic purposes: Zodiark bought the universe 12,000 years of borrowed time, and Hydaelyn used that time to forge a fractured, mortal humanity strong enough to secure its own future.