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The Old Peace Quest Walkthrough (2026): Every Chapter on Tau, Rewards and the Dark Refractory

Twelve chapters in the Operator's memories: Adis, Tauron Academy, Ballas, and Uriel

Last Updated on September 12, 2026

The short answer

The Old Peace (late 2025) is the Operator’s memory quest: twelve chapters through the Dark Refractory in the Sanctum, back to Tauron Academy, Adis, Margulis and a Ballas who was not yet a villain. It needs The Lotus Eaters, runs solo, and pays the Uriel main blueprint and the Operator Atmosphor. Afterwards the Refractory opens The Descendia and The Perita Rebellion, where Uriel’s parts, the Vinquibus and the Tektolyst mods and arcanes come from.

Reviewed September 12, 2026, current through Update 43.5. Stage names and order checked against the official wiki; this page is re-checked after every major patch.

Quest facts
Needs	The Lotus Eaters; The Hex and its Finale (for the extra KIM stories)
Start	Codex, then walk to the Dark Refractory in Sanctum Anatomica.
Time	2 to 3 hours
Squad	Solo
Pays	Uriel main blueprint; Operator Atmosphor; Resource bundles
Opens	The Dark Refractory: The Descendia and The Perita Rebellion; Uriel and Vinquibus crafting; Tektolyst artifacts, mods and arcanes
Line	Main story

What you need first

Requirement	Why
The Lotus Eaters	The Sanctum story continues from it.
The Hex and its Finale (for the extra KIM stories)	Not required for the quest, required for the Devil's Triad relationships it adds.

Bring

Well-modded Warframe
Strong weapons
Operator Amp

Stage by stage

Hide and Seek: Enter the Dark Refractory and use your memories of Adis to find the first lead on Albrecht. Watch: Your body weakens with each dive; that is story, not a fail state.
Down the Rabbit Hole: Relive memories of friendship with Adis and arrive at Tauron Academy. Watch: Ballas and an aggressive Cephalon named Daklo are present at the academy.
Back to the Front: Deploy to Tohk-Amn with Adis for a graduation ceremony. Watch: The ceremony is ambushed by Grineer bred by the Anarchs, and Itzam is killed.
Too Far!: Return to the hideaway and play the message from the Ayatan. Watch: Margulis instructs the Operator and Adis to destroy an Anarch base in the World-Seeder.
Interrogation: The Operator and Adis discover Ballas altered the kill-codes to destroy Xenoflora. Watch: Adis becomes enraged and battles the Operator, then revives them before dying.
Fallen From Heaven: Storm Tauron Academy in search of Ballas. Watch: Margulis makes the Operator forget their time on Tau to protect them.
Peace in His Hands: Fight the Anarchs alongside one of the Orokin Seven; it is Ballas.
Eden's Ultimatum: The Operator and Adis receive an Ayatan from Margulis containing kill-codes for Anarch bases.
Assault on Zariman Five-Nine: Use the kill-codes to destroy the Anarch base in the World-Seeder, a Zariman colony ship.
Battle of the Last Bloom: Engage in a climactic encounter against the Hunhullus and Dactolyst. Watch: The Hunhullus is a colossal Sentient war machine, and the Dactolyst is lithe and deadly.
The Long March Forward: Continue fighting through the Perita Rebellion. Watch: Perita is scarred by war, requiring survival against the Anarch Dax uprising.
Retribution: Storm Tauron Academy as Uriel, face Daklo, and confront Ballas. Watch: You play Uriel here; the frame comes home with you afterwards.

Rewards

Reward	From	Note
Uriel main blueprint	Completion	Parts from Roathe for Maphica or the Descendia boss
Operator Atmosphor	Completion	Accessory
Resource bundles	Completion	Three stacks of 75 of the new Tau resources

Frames in this quest

UrielReward

Excalibur UmbraBring

Frame	Role	Why
Uriel	Reward	Main blueprint from the quest; parts from Roathe.
Excalibur Umbra	Bring	Any strong frame; the fights are mid-level Anarchs and Sentients.

Weapons in this quest

VinquibusAfter

Weapon	Why
Vinquibus	Crafted from Dark Refractory materials once the quest is done.

Tips that save runs

The academy chapters are long conversations; save the quest for a night you can sit through them.
Bring an Amp and a frame you like; the Tau fights are real, unlike the Lotus Eaters walk.

Mistakes that waste runs

Skipping The Hex Finale first if you care about the Devil's Triad KIM threads; they need it.

What it unlocks

The Dark Refractory: The Descendia and The Perita Rebellion
Uriel and Vinquibus crafting
Tektolyst artifacts, mods and arcanes
Expanded KIM with the Devil's Triad

Where it sits

Before it: The Hex. After it: Jade Shadows: Constellations. The full order is on the quest hub.

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