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The Deadlock Protocol Quest Walkthrough (2026): Every Stage, the Granum Void and the Protea Blueprint

Decrypt the memorandum, chase a Treasurer, build the Xoris, free the Solaris in the Granum Void

Last Updated on September 12, 2026

The short answer

The Deadlock Protocol pays the Protea blueprint and the Xoris. A three round Interception on Venus, Protean Sensors, a Treasurer on Phobos for a Granum Crown, a Europa Spy for the Xoris parts, then the Granum Void on Neptune where you charge the Xoris on Specter Particles, free three Solaris and beat the Protea Specter. It also unlocks the Granum Void for good, which is where Protea’s parts 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	Saturn Junction; Mastery Rank 4
Start	Access this quest directly from the Codex.
Time	60 to 90 minutes
Squad	Squad allowed
Pays	Protea blueprint; Xoris; Granum Void Captura
Opens	Protea parts in the Granum Void; Treasurers and Granum Crowns; Call of the Tempestarii
Line	Optional

What you need first

Requirement	Why
Saturn Junction	The wiki lists it as the gate.
Mastery Rank 4	Required.

Bring

A Warframe suitable for Interception and Spy missions
Weapons capable of quickly eliminating enemies

Stage by stage

Decrypt Nef Anyo's Deadlock memorandum: Complete a three-round Interception mission on Venus with two towers. Watch: Eudico uses the towers to decrypt the memorandum, so keep them secure.
Visit Eudico in Fortuna: Meet Eudico in the backroom of Fortuna.
Learn the fate of missing Solaris ("Volunteers"): Locate Protean Sensors, take control of Corpus Systems, and defend them on Venus. Watch: A Solaris worker is vaporized by a Protean Sensor, transporting them to the Void.
Return to Fortuna: Return to the backroom in Fortuna.
Beat Nef to Granum Void (Tributes): Intercept a Treasurer, loot their Granum Crown, and offer it at a Granum Tribute on Phobos. Watch: You will be transported to the Granum Void and encounter Parvos Granum and the Protea Specter.
Acquire parts to build the Xoris (The Xoris): Complete a Spy mission on Europa to obtain the Xoris Handle, Core, and Blade. Watch: All three vaults must be hacked to get the Xoris parts.
Use your Xoris to free Solaris captives in Granum Void (Parvos Granum): Craft the Xoris, obtain a Granum Crown, enter the Granum Void, free three Solaris workers, and defeat the Protea Specter on Neptune. Watch: Charge the Xoris by killing Specter Particles with melee attacks, then detonate it near Solaris workers. Use the Xoris discharge to stop Protea's Temporal Anchor.

Rewards

Reward	From	Note
Protea blueprint	Completion	A Riven if you own her; parts from the Granum Void
Xoris	Built mid-quest	The glaive that never loses combo
Granum Void Captura	Completion	Cosmetic

Frames in this quest

ProteaReward

Frame	Role	Why
Protea	Reward	Blueprint from the quest; parts from the Granum Void.

Weapons in this quest

XorisReward

Weapon	Why
Xoris	Built during the quest.

Tips that save runs

Keep both Interception towers; Eudico decrypts through them.
All three Europa vaults, or no Xoris.
Melee the Specter Particles to charge the Xoris, then detonate it next to a Solaris worker; the same discharge stops Protea's rewind.

Mistakes that waste runs

Trying to shoot the Solaris free; only a charged Xoris does it.

What it unlocks

Protea parts in the Granum Void
Treasurers and Granum Crowns
Call of the Tempestarii

Where it sits

An optional quest; it gates a Warframe or a system, not the story. The full list is on the quest hub.

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