Resources

Isos

A self-replicating fluid comprised of nanoproxies capable of independently repairing worn and damaged systems. Location: Railjack missions in Venus, Neptune, and Pluto Proximas

WHERE & HOW TO FARM

Corpus Railjack collection

Bifrost Echo, Venus Proxima

Farm Isos in Corpus Railjack regions. Bifrost Echo on Venus Proxima gives an accessible finite mission; collect space-enemy drops while completing its objective.

View farming maps ↓See farming steps ↓Compare alternatives ↓Ingredients & recipes ↓

SEE WHERE TO GO

Mission maps & locations

1 map

Drag to pan. Zoom in to read labels and markers.

**Venus Proxima mission selection map, captured in Update 32 (February 2023). Use the current mission table for present-day types and unlocks.**

Interactive maps & location tools

Warframe Star Chart

Choose the planet and mission node listed in the guide. Mission interiors use generated tiles; the navigation map locates the mission.

Open map in new tab ↗

Mission locations

Bifrost EchoVenus Proxima · Exterminate

Select this node in Navigation; follow the reward instructions below.

Mission details ↗

GET STARTED

How to farm

Before you go

Complete The Archwing to join an Empyrean crew, or Rising Tide to use your own Railjack.
Select the unlocked Railjack node through Proxima Navigation.

Enter Bifrost Echo and destroy encountered Corpus space fighters, Ramsleds and Crewships, collecting their resource pickups.
Complete the marked Exterminate objective aboard the Corpus ship.
Gather remaining Isos pickups and finish the run before returning to Dry Dock.

Farming tips

Venus, Neptune and Pluto Proxima provide Corpus Railjack choices.
The mission node named Isos is different from the material Isos.

Sources & fact checks

wiki.warframe.com ↗ wiki.warframe.com ↗ wiki.warframe.com ↗

Other ways to get it

Pair with a later Corpus Railjack target

Another unlocked Corpus Proxima mission

Complete The Archwing to join an Empyrean crew, or Rising Tide to use your own Railjack.
Select the unlocked Railjack node through Proxima Navigation.

Choose a Corpus Railjack mission needed for another goal.
Destroy eligible Corpus spacecraft and collect their drops.
Complete all mission objectives and retain the resources at the end of the run.

Prefer a mission you can complete reliably over chasing an unsupported universal fastest node.

Sources & fact checks

wiki.warframe.com ↗ wiki.warframe.com ↗

INGREDIENTS & QUANTITIES

Crafting & conversion options

Amounts below are for one recipe batch. Open an ingredient to find where to get it.

Foundry · Produces 1 × Isos

Crafting time: 2 minutes.

Fieldron SampleIngredient per batch↗× 500
CircuitsIngredient per batch↗× 3000
SalvageIngredient per batch↗× 7500
CreditsIngredient per batch↗× 1000

Requires the reusable blueprint. It is kept after crafting.

Sources & fact checks

content.warframe.com ↗

MAKE YOUR SESSION COUNT

Priorities & useful advice

Farm Isos in Corpus Railjack missions. Bifrost Echo in Venus Proxima is a finite Exterminate option; other unlocked Corpus Proxima missions can pair Isos with another goal. ↗↗

What to prioritize

Use Bifrost Echo, Venus Proxima, and collect resource pickups from Corpus space enemies during the mission. ↗
Alternatively, select another unlocked Corpus Proxima mission that advances a separate goal and collect eligible spacecraft drops. ↗

Next steps

Complete The Archwing to join an Empyrean crew, or Rising Tide to use your own Railjack; select an unlocked node through Proxima Navigation. ↗
At Bifrost Echo, destroy encountered Corpus fighters, Ramsleds, and Crewships, collecting their resource pickups. ↗
Complete the marked Exterminate objective aboard the Corpus ship, gather remaining Isos pickups, and finish the run before returning to Dry Dock. ↗

GPT-6 Luna · Based on cited sources · 2026-10-24
Check unlock requirements and availability in game.

REWARD DETAILS & CONDITIONS

Sources & rewards

Farming route

Pair with a later Corpus Railjack target

Another unlocked Corpus Proxima mission

Complete The Archwing to join an Empyrean crew, or Rising Tide to use your own Railjack.
Select the unlocked Railjack node through Proxima Navigation.

Rate not listed

Farming route

Corpus Railjack collection

Railjack Navigation → Venus Proxima → Bifrost Echo

Complete The Archwing to join an Empyrean crew, or Rising Tide to use your own Railjack.
Select the unlocked Railjack node through Proxima Navigation.

Rate not listed

Resource gathering

Railjack missions in Venus resource gathering

Planet/location resource pool · choose an unlocked mission

Unlock a suitable mission in Railjack missions in Venus.
Resource drops depend on enemies, containers, mission conditions and applicable boosters. No yield or route time is modeled.

Rate not listed

Resource gathering

Neptune resource gathering

Planet/location resource pool · choose an unlocked mission

Unlock a suitable mission in Neptune.
Resource drops depend on enemies, containers, mission conditions and applicable boosters. No yield or route time is modeled.

Rate not listed

Resource gathering

and Pluto Proximas resource gathering

Planet/location resource pool · choose an unlocked mission

Unlock a suitable mission in and Pluto Proximas.
Resource drops depend on enemies, containers, mission conditions and applicable boosters. No yield or route time is modeled.

Rate not listed

WHAT IT IS FOR