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Astrographical information

Outer Rim Territories[1]


Esstran sector[1]


Ziost system[1]



Grid coordinates


Physical information

Primary terrain
  • Arid
  • Frozen Mountains
Points of interest
Societal information
Immigrated species
Primary language(s)
Major cities

Ziost (pronounced /ziɒst/)[3], sometimes referred to as the "Gateway to the Empire" in the days of the Old Republic, was a world made up entirely of an ancient dark forest. However, the trees withered away and the planet became very similar, in landscape, to Korriban. Much of the planet was covered in ice. Not only was it a focal point of the dark side, but it was also the adopted homeworld and Imperial capital of the Sith species, who left their original homeworld, Korriban, as a graveyard world after the death of their leader Adas.

Eventually it became a major Sith buffer world during the days of Vitiate's Sith Empire before being forgotten entirely.


Ziost became the capital of the ancient Sith Empire after the reign of the Sith Overlord Adas came to an end. Without his unifying force holding them together, the Sith degenerated into their previous feudal ways. After centuries of battle and strife, the remaining Sith utilized Rakatan vessels to relocate to other planets, leaving their desolated homeworld Korriban as a vast graveyard world populated by religious fanatics who would, thousands of years later, be subjugated by the Jedi Exiles, forming a new Sith Empire.[1] By the time of the Great Hyperspace War, Ziost remained a key planet within the Empire, but following the Republic's victory, it was abandoned, the remaining Sith following the new emperor into hyperspace. A new Sith capital was established on Dromund Kaas, which left Ziost forgotten.

Ziost egtf

Exiled Dark Jedi, Ajunta Pall, on Ziost.

The planet was resettled by the new empire, once again becoming a major location in the empire, serving as capital of Imperial buffer space and, eventually, housing the Orbital Defense Command Center, headquarters of the Ministry of Logistics. A new city was built on the surface, quickly overshadowing the former capital of the Old Sith Empire. The The city quickly became a major trade hub for the empire, leading to the planet's being nicknamed the "Gateway to the Empire." During Operation End Game, Theron Shan visited the planet, where he infiltrated the Orbital Defense Command Center to steal a Black cipher from Minister Davidge's executive office. By the time local officials found out, the agent was already long gone.

In spite of the blowing defeat as a result of Shan's cunning and local security's inability to protect the cipher, the planet remained a key world throughout the duration of the Galactic War. At some point, Ziost had suffered from an Ice Age that had changed the world's terrain and climate. Ziost's existence was once again forgotten after the Battle of Ruusan, due to the secrecy of Darth Bane's Sith Order. Many ancient and evil secrets remained on this place of great dark power. In 3 BBY, fugitive Jedi Rahm Kota visited Ziost while on the run from the Galactic Empire. The following year, Galen Marek came to the system during his search for Kota. A year after the Battle of Yavin, after being roused on Yavin 4 by the Rebel Alliance, the mutated Massassi Kalgrath came to Ziost hoping to find his people. He was disappointed, having found only a frozen waste.

Lumiya visited the planet and created her lightwhip using technology she found on Ziost. Following the Battle of Endor, she apparently trained her apprentices—first Flint and then Carnor Jax—on Ziost or possibly nearby Korriban.[source?]

Almost a decade later, the Jedi scholar Tionne set out to find Kalgrath. She traced his trail as far as Ziost, but there it disappeared. Another ten years later bounty hunter Zekk, ran into Dengar on the planet while the rival bounty hunters were searching for Bornan Thul.[4]

At the time of the Second Galactic Civil War, Jacen Solo (overseen by Lumiya) dispatched Ben Skywalker to the world, supposedly to recover a Sith amulet, but in reality to test him against opponents, to see if he was worthy of becoming a Sith apprentice. After having an epiphany of sorts, Ben accompanied the stranded child Kiara across the surface of the planet, led by mysterious voices to an ancient temple. Throughout his journey the young Jedi was attacked by neks and pirates orbiting the planet under the command of Byalfin Dyur. Ben escaped the planet eventually, finding an antiquated but extremely powerful Sith Meditation Sphere in the ruined temple, and took the attack to the pirates.

Behind the scenesEdit

Ziost versus Korriban?Edit

Though Ziost was established as the original Sith homeworld in The Golden Age of the Sith, many sources described Korriban as the Sith homeworld. It was the "public" capital world of the Sith Empire during the era of Darth Revan, but was a mausoleum-world for millennia beforehand and would return to such a state not long after.

The controversy was put to rest in the article Evil Never Dies: The Sith Dynasties by Abel G. Peña, which clearly established the Sith originating on Korriban and relocating the capital to Ziost before the arrival of the Dark Jedi exiles during the Hundred Year Darkness, though the Dark Jedi exiles themselves landed on Korriban.

From the article Evil Never Dies: The Sith Dynasties:

Without Adas' unifying influence, wars once again raged for rule of the Sith people, with the reigning combatants arrogantly claiming the title of Sith'ari, and eventually forcing a relocation of the Sith capitol to the planet Ziost. Eventually, almost two-dozen millennia after Adas' death, a proper successor to Adas seemed to come at last. Known in Republic space as the Exiles, traitorous Jedi defeated in a galactic war called the Hundred-Year Darkness arrived on Korriban and cowed the Sith people with their astounding Force abilities, lightsabers, and superior technology.

Other AppearancesEdit

In the MMORPG Star Wars: The Old Republic, General Threnoldt mentions Rakata Inscriptions in a place called the Ziost Abyss, suggesting that the Rakata may have once had a major presence on Ziost. These inscriptions, discovered and translated by the Imperial Reclamation Service, are said to describe a Rakatan prisoner on Belsavis called The Infernal One. In another instance, when playing Empire on Tatooine one can hear Imperial Reclamation Service member Hael Phirce remembering his experience during an expedition on Ziost where he was buried alive. Also, one of the capital ships on the imperial fleet is called The Ziost Shadow.

Part of the 2012 Drew Karpyshyn novel The Old Republic: Annihilation also takes place on the planet. Ziost will appear in Game Update 3.2 of The Old Republic, which is due out in April 2015.


Ziost citadel Book of Siths

The Ziost citadel of Ajunta Pall


Notes and referencesEdit

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