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Infested Impedance
Warframe · Mod

Infested Impedance

Aura mod for slowing Infested

Released May 23, 2013

Infested Impedance reduces Infested enemy speed, reaching 18% at maximum rank. Consider it when slowing Infested is useful to your squad; its aura effect applies to that faction rather than enemies generally.

TypeAuraPolarityvazarinMax rank5Base drain-2VariantStandardRarityUncommon
Infested Impedance GUIDE

Understand Infested Impedance

Useful when…

  • Equip it for missions against Infested when reducing their movement speed is useful.
  • Choose an aura around this specific control effect rather than expecting armor reduction, accuracy reduction, or health changes.

What does the aura do?

The aura reduces Infested speed by 3% at rank 0, 12% at rank 3, and 18% at rank 5. Its stated target is Infested enemies, so it is a faction-specific control choice.

wiki.warframe.com ↗

Slot and rank investment

This is a Vazarin aura mod with base drain −2 and a maximum rank of 5. Listed fusion examples show increasing costs at higher ranks: the step to rank 5 costs 320 Endo and 15,456 credits. Rank it according to how much the stronger slow matters in your Infested missions.

wiki.warframe.com ↗

How does it differ from other auras?

EMP Aura targets Corpus accuracy, Combat Discipline changes health on kills for you and squadmates, and Corrosive Projection reduces enemy armor. These are different effects, not direct replacements for slowing Infested. Corrosive Projection also has Naramon polarity rather than Infested Impedance’s Vazarin polarity.

When should you skip it?

Its stated speed reduction is limited to Infested. For other factions, the listed effect does not supply the corresponding accuracy, health, or armor change described by the comparison auras. The supplied acquisition details list Duviri Endless normal tiers 1 and 3 as drop locations.

Limitations and tradeoffs

  • Aura slot is committed to a faction-limited speed reduction.
  • Higher ranks cost more Endo and credits for a stronger slow.

Common mistakes to avoid

  • Assuming the slow affects factions other than Infested.
  • Choosing it expecting armor reduction or accuracy reduction.
  • Ignoring the escalating fusion cost when pursuing the last ranks.

Effects and reference details

Rank effects and investment

RankListed effectsCapacity contributionTotal Endo from rank 0Total Credits from rank 0
0Enemy Infested lose -3% Speed200
1Enemy Infested lose -6% Speed320966
2Enemy Infested lose -9% Speed4602,898
3Enemy Infested lose -12% Speed51406,762
4Enemy Infested lose -15% Speed630014,490
5Enemy Infested lose -18% Speed762029,946

These are listed mod effects and fusion costs, not final build damage. Matching and mismatched polarities change capacity. Totals assume starting at rank 0.

References and version

Game data version: Pinned public export

Infested Impedance — WARFRAME Wiki ↗wiki.warframe.com ↗
Technical source data for verification

These machine-readable game records support the calculations and factual checks. The wiki references above are intended for reading.

Warframe Public Export ↗Raw game data (JSON) ↗wiki.warframe.com ↗

Original data record ↗

Optional: calculate an upgrade or configurationOpen the calculator when you want a cost estimate or a compatibility check.
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Fusion cost and capacity

0Endo
0Credits
2Capacity contribution
RankObserved effectCapacityEndo from 0Credits from 0
0Enemy Infested lose -3% Speed200
1Enemy Infested lose -6% Speed320966
2Enemy Infested lose -9% Speed4602,898
3Enemy Infested lose -12% Speed51406,762
4Enemy Infested lose -15% Speed630014,490
5Enemy Infested lose -18% Speed762029,946

Aura/Stance polarity changes added capacity.

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