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“You're not supposed to be in here! You're going to ruin the surprise!”
This article contains spoilers.

"I am Quill Onkko Primary. We have, and shall have a long association, Tenno."

—Onkko, talking to the Operator for the first time

Onkko, or his full epithet Quill Onkko Primary, is a former Ostron historian and archivist once responsible for lorekeeping, and the current representative of the Quills on the Plains of Eidolon and in Cetus.



With the official title of Cetus Archivist, Onkko was the Ostron's lorekeeper, researching and translating the various myths, legends and stories surrounding the Plains of Eidolon, the Ostron people, and the mysterious being known as the Unum.

Onkko is the narrator behind the lore for the Thousand-Year Fish and the Glass Shard fragments.

Saya's Vigil[]

In the past, Onkko was close friends with Konzu and husband to Saya. Together with Saya, Onkko used his knowledge to bring technological prosperity to Cetus. His obsession with the mysteries of Cetus and the Plains, especially the Sentients, however, strained his relationship with Saya, despite their love for each other.

During an excursion out on the Plains with Konzu, Onkko mysteriously disappeared, leaving his wife behind to mourn his loss.

The Quills[]

It is later revealed that Onkko did not disappear, but instead had joined the enigmatic order of the Quills. By some unknown means, Onkko had divined that Saya would meet an unwelcome fate had he stayed with her, and thus orchestrated his disappearance so that Saya would be safe, taken care of by Konzu. Onkko now spends his days as the Quill's representative, helping both the Ostrons and the Tenno even as he keeps his identity hidden from the people of Cetus.


Onkko is the primary point of contact with The Quills, who provides players with various services relating to Operator Amps, Magus Arcanes and Virtous Arcanes, including the construction of Amps and the trade of Sentient Cores for Quills Standing. He also provides the player with various tips and warnings when fighting Eidolon Teralysts, Eidolon Gantulysts and Eidolon Hydrolysts.