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Flawed Pathogen Rounds
Warframe · Mod

Flawed Pathogen Rounds

Flawed pistol toxin mod for early capacity-limited builds.

Released Jul 18, 2014

Flawed Pathogen Rounds adds Toxin damage to pistols, reaching 40% at rank 3. Consider it as a modest, low-drain option when capacity is tight; it is incompatible with the standard Pathogen Rounds mod, which reaches a higher listed bonus.

TypePistolPolaritynaramonMax rank3Base drain4VariantFlawedRarityUncommon
Flawed Pathogen Rounds GUIDE

Understand Flawed Pathogen Rounds

Useful when…

  • Use on a pistol when adding Toxin is useful and the standard version is unavailable or its higher drain is not suitable.
  • Replace it with standard Pathogen Rounds when that version better fits the weapon’s capacity and build.

What does it add?

The flawed mod adds Toxin damage to pistols: 10% at rank 0, 30% at rank 2, and 40% at rank 3. It is a standard pistol mod with Naramon polarity and base drain 4.

Rank and capacity tradeoff

It reaches its maximum listed effect at rank 3, with the rank 2-to-3 step costing 80 Endo and 3,864 Credits. Because it is flawed, it has a lower listed maximum than standard Pathogen Rounds, but also lower base drain: 4 rather than 6. The standard version reaches 90% Toxin at rank 5. Choose between the lower drain and the higher listed bonus based on available capacity and intended build; these values are mod bonuses, not final weapon damage.

wiki.warframe.com ↗

Compatibility and exclusions

The flawed version explicitly lists Pathogen Rounds as incompatible, so the two cannot be equipped together. Accelerated Isotope is a separate pistol mod that adds Radiation and Fire Rate, not a direct replacement for Toxin. Air Recon is a Conclave Exilus mod for reduced zoom while aim gliding, rather than a standard damage mod.

Limitations and tradeoffs

  • Lower base drain than the standard version, but a lower maximum listed Toxin bonus.
  • Cannot be equipped alongside Pathogen Rounds.

Common mistakes to avoid

  • Trying to equip it with Pathogen Rounds despite the explicit incompatibility.
  • Treating its 40% Toxin bonus as final weapon damage.

Effects and reference details

Rank effects and investment

RankListed effectsUnpolarized drainTotal Endo from rank 0Total Credits from rank 0
0+10% Toxin400
1+20% Toxin520966
2+30% Toxin6602,898
3+40% Toxin71406,762

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

Flawed Pathogen Rounds — 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.

wiki.warframe.com ↗Warframe Public Export ↗

Original data record ↗

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Fusion cost and capacity

0Endo
0Credits
4Target slot drain
RankObserved effectDrainEndo from 0Credits from 0
0+10% Toxin400
1+20% Toxin520966
2+30% Toxin6602,898
3+40% Toxin71406,762

Slot polarity changes drain; fusion prices depend on mod rarity and family.

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