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Zarathustra as seen in Episode III.

Zarathustra is the final boss and namesake of Xenosaga Episode III: Also sprach Zarathustra. Powered by the Original Zohar and the power of the awakened twelve Vessels of Anima (the combined power of half of the Anima, Yeshua, which was sealed by the Animus, Mary Magdalene, during the Lost Jerusalem era to delay the universe's destruction), it is found deep within the planet Michtam. It was created by the ancients of Lost Jerusalem and moved by the Immigrant Fleet to Michtam.

According to the Episode III database, Zarathustra itself is a series of crystalline structures; its control panel resembles the Compass of Order and Chaos on a gigantic scale. Zarathustra was originally built by the ancients as a means to transcend to the realm of God (the Upper Domain and U-DO) and become gods themselves.

Wilhelm, however, uses Zarathustra as the central device in which to constantly repeat an "eternal circle" of time, Eternal Recurrence. This reverses the dispersal of consciousness by literally reversing time back to the beginning and temporarily channeling the consciousnesses through imaginary time. Because of this, people relive the same lifetimes and history repeatedly. Wilhelm uses his "temporal recurrence ability" with the Vessels of Anima, Abel, the Zohar, Mary Magdelene (reborn within KOS-MOS) and the "Key" (Shion's pendant) as the components to start Zarathustra and complete this process.

Xenosaga Episode III Edit

Xenosaga III06:06

Xenosaga III

The final boss.

Xenosaga Episode III -- Zarathustra Battle (Part 2 2)04:27

Xenosaga Episode III -- Zarathustra Battle (Part 2 2)

The final boss.

However, after numerous recurrences (the database does not clarify how many), the human will began to reject the constant process due to the distortions made each time Zarathustra reset time. With the intervention of Kevin Winnicot, Wilhelm's link to the Zarathustra device and Abel was severed, and they went out of control. Zarathustra, piloted by an out-of-control Abel, merged with Joshua (Wilhelm's mecha) and began tearing and attaching parts from all twelve discarded E.S.s to itself. The large, golden "compass" that held the Original Zohar, the rings of Order and Chaos attached to the frame of the "fused" Joshua as well. This monstrosity was defeated by the party in a long and difficult battle. Following its defeat, Abel returned to normal and decided to give humanity a chance to live on.

Compass of Order and Chaos Edit


Wilhelm watching the Compass of Order and Chaos.

In Episode III, it is revealed that the Compass of Order and Chaos is a terminal interface for Zarathustra, which resembles the Compass on a colossal scale. It also collects and processes the data from Program Canaan and sends it to Zarathustra, enabling it to track the progress of those under surveillance by Canaan units. In the Official Perfect Guidebook, it is stated further that the Compass is actually part of Wilhelm, it is his manifested ability to predict all possible futures. He has used it since the beginning of time to help him guide humanity from behind the scenes.

Because it is a relic of God, it was not meant to be touched by human hands. When Voyager is tricked by Canaan into accessing the "source" of Wilhelm's power, he connects to the Compass and by extension Zarathustra and is overwhelmed and obliterated by its power, along with Canaan.

Necessary factors to activate Zarathustra for the Eternal RecurrenceEdit


Shion Uzuki's pendant.

  • Mary Magdalene (Animus)
  • The Maiden of Mary's will (Shion Uzuki)
  • Shion's pendant
  • 12 Anima Relics
  • Original Zohar
  • Joshua


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