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How to Get Corrosive Projection in Warframe (2026): Nightwave, the Circuit, and Whether It Still Matters
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How to Get Corrosive Projection in Warframe (2026): Nightwave, the Circuit, and Whether It Still Matters
Nightwave Creds, and an honest read on whether it matters now
Last Updated on September 11, 2026
The short answer
Buy Corrosive Projection from Nightwave’s Cred offerings the next time it rotates in; the normal Circuit also rolls it, rarely. It cuts enemy armor by 18% per copy in the squad. After the 2024 armor rework it is no longer mandatory, but it is still the easiest aura for Steel Path Grineer and anything tanky.
Reviewed September 10, 2026, current through Update 43.5. Iceblade of Narin lands September 23 and is not reflected yet; this page is re-checked after every major patch.
| Route | How | Odds |
|---|---|---|
| Nightwave Cred offerings | Check the offerings each week; buy it when it appears | Guaranteed when in stock |
| The Circuit (normal) | Tiers 1 and 3 on the normal track | Under one percent per roll |
| Trading | Trade chat or a market listing | Guaranteed |
Table of Contents
What you need first
| Requirement | Why |
|---|---|
| Nightwave | Do the weekly challenges for Creds; the offerings rotate on Sundays. |
| The Duviri Paradox | Only if you want to gamble on the Circuit instead. |
The fast route
- Open Nightwave and check the Cred offerings.
- If Corrosive Projection is in stock, buy it with Creds.
- If not, check next Sunday, or buy it from another player.
- Slot it in the aura slot; a matching polarity doubles the capacity it gives.
What it does now
- Enemy armor reduced by 18% at max rank, per copy: four in a squad is 72%.
- It stacks with ability armor strip; it does not stack with itself past four players.
- Since the 2024 armor rework, armor caps lower and most builds strip with abilities or Corrosive procs anyway, so one copy is usually plenty.
The aura, as a card
3
Corrosive Projection
Corrosive Projection
Enemies lose -18% Armor
AURA
3
Growing Power
Growing Power
On Status Effect with Weapon: Squad increases personal Ability Strength by 25% for 6s.
AURA
1
Steel Charge
Steel Charge
Squad receives +60% Melee Damage
AURA
3
Energy Siphon
Energy Siphon
Squad receives +0.6 Energy Regen/s
AURABest frames
| Frame | Role | Why |
|---|---|---|
| Rhino | No strip of his own | Rhino has no armor strip; the aura does it for him. |
| Nekros | Farming squads | A Desecrate farm wants enemies dead fast; one copy per squad is the norm. |
| Wisp | Squad support | Support frames run the aura because their kit does not strip. |
Best weapons
| Weapon | Why |
|---|---|
| Kuva Sobek | With its augment the gun strips armor; the aura is redundant. |
| Kuva Nukor | Corrosive procs strip most of the armor the aura would. |
Tips that save runs
- Frames that strip armor with an ability (Hildryn, Xaku, Saryn with Corrosive) do not need it.
- On Corpus and Infested missions it does nothing; swap to Energy Siphon or Growing Power.
- Steel Charge on a melee build or Brief Respite on a shield-gate build often beats it now.
Mistakes that waste runs
- Waiting on the Circuit roll when Nightwave sells it outright.
- Running four copies in a squad where two frames already strip.