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Call of the Tempestarii Quest Walkthrough (2026): Every Stage, Vala Glarios and the Sevagoth Blueprint

Void Storms, a ghost ship, Sevagoth's Shadow, and the lifepod at the end

Last Updated on September 12, 2026

The short answer

Call of the Tempestarii is the Railjack ghost story that pays the Sevagoth blueprint. Scavenge Corpus wrecks in Void Storms, hack a Corpus archive, summon the Tempestarii with a distress signal, get knocked out by Vala Glarios, fight waves as Sevagoth’s Shadow, break her beam generator and finish the ship’s last mission. Bring a working Railjack and a Parazon with a Cipher or two.

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 Deadlock Protocol; A Railjack; Mastery Rank 4
Start	Access the quest directly from the Codex.
Time	60 to 90 minutes
Squad	Squad allowed
Pays	Sevagoth blueprint; Tempestarii Railjack skin; Prex, statuette and The Cold Below Captura
Opens	Sevagoth parts in Void Storm rewards; Sisters of Parvos (with The War Within)
Line	Optional

What you need first

Requirement	Why
The Deadlock Protocol	Vala and the Corpus story continue.
A Railjack	Rising Tide or the Market one.
Mastery Rank 4	Required.

Bring

Railjack
Parazon

Stage by stage

Intercept Corpus shipping convoy: Investigate Corpus activity in Void Storms and scavenge resources from wrecked ships. Watch: After the third scavenge, several enemies appear, and then a hostile Void Railjack forces an evacuation.
Infiltrate Corpus archives: Infiltrate a Corpus Ship and hack all three vaults in a Spy mission. Watch: This mission automatically transitions from the previous one; failing or aborting it requires accessing it from the World State Window.
Signal the Tempestarii: Launch a distress signal in a Void Storm to summon the Tempestarii and then board it. Watch: The Tempestarii turns hostile after an incorrect response, requiring the Tenno to hold out until communications are reestablished.
Repair corrupted navigation data: Repair corrupted navigation data via Parazon. Watch: Vala Glarios interrupts the repair and knocks out the Tenno.
Control Sevagoth's Shadow: Control Sevagoth's Exalted Shadow in a void space against waves of Corpus enemies. Watch: The player instantly revives on death during this segment.
Destroy the beam generator: Board the Corpus vessel and destroy the beam generator. Watch: After hacking a console, fend off Jamming Drones and an Optio before interfacing with a final console.
Return to the Tempestarii: Return to the Tempestarii and repel Corpus fighters until it readies an Ordnance. Watch: The Ordnance tears apart Vala's ship.
Finish the Tempestarii's final mission: Retrieve a lifepod from the Void. Watch: This lifepod contains the corpse of Sevagoth.

Rewards

Reward	From	Note
Sevagoth blueprint	Completion	A Riven if you own him; parts from Void Storms
Tempestarii Railjack skin	Inbox	Cosmetic
Prex, statuette and The Cold Below Captura	Inbox	Decorations

Frames in this quest

SevagothReward

Frame	Role	Why
Sevagoth	Reward	Blueprint from the quest; parts from Void Storms.

Tips that save runs

Answer the Tempestarii wrong and it turns on you until comms return; hold out, do not abort.
You revive instantly as the Shadow; play aggressive.

Mistakes that waste runs

Aborting the archive Spy; it has to be re-entered from the World State window.

What it unlocks

Sevagoth parts in Void Storm rewards
Sisters of Parvos (with The War Within)

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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