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Focus Energy
Warframe · Mod

Focus Energy

Melee heavy-attack efficiency and Electricity mod

Released Jul 13, 2013

Focus Energy combines Heavy Attack Efficiency with Electricity on a melee weapon. Consider it when both listed effects suit the weapon and its heavy-attack use.

TypeMeleePolaritymaduraiMax rank3Base drain6VariantStandardRarityRare
Focus Energy GUIDE

Understand Focus Energy

Useful when…

  • Use on a melee build that values both Electricity and Heavy Attack Efficiency.

Effect and compatibility

Focus Energy is a standard melee mod with Madurai polarity and base drain 6. At rank 0 it grants +10% Heavy Attack Efficiency and +15% Electricity; at rank 2 it grants +30% and +45%; at maximum rank 3 it grants +40% and +60%.

wiki.warframe.com ↗

Rank investment

The listed rank-up costs are 30 Endo and 1,449 Credits from rank 0 to 1, 60 Endo and 2,898 Credits from rank 1 to 2, and 120 Endo and 5,796 Credits from rank 2 to 3. Since the rank cap is only 3, the final rank provides the listed maxima for both effects; whether to invest fully depends on the value of those paired bonuses in the build.

wiki.warframe.com ↗

Related melee choices

Flawed Reflex Coil provides Heavy Attack Efficiency without an Electricity bonus and has a lower base drain of 2. Focus Radon offers Radiation with the same listed +40% Heavy Attack Efficiency at rank 3, with base drain 4. Galvanized Reflex reaches +50% Heavy Attack Efficiency and can build Initial Combo on melee kills, but it is a separate rank-10 mod. These options differ in element, cost profile, and additional effects.

Acquisition

The listed source is Nightmare Mode Rewards, Rotation C, with a 15.49% chance.

Limitations and tradeoffs

  • It has base drain 6 and spends its paired effect on Electricity and Heavy Attack Efficiency.
  • A build that needs only Heavy Attack Efficiency may prefer an option without an elemental bonus, depending on available capacity.

Common mistakes to avoid

  • Using the mod only for Heavy Attack Efficiency without considering its Electricity bonus and drain.
  • Assuming its rank-3 effects also provide Radiation or Initial Combo.

Effects and reference details

Rank effects and investment

RankListed effectsUnpolarized drainTotal Endo from rank 0Total Credits from rank 0
0+10% Heavy Attack Efficiency
+15% Electricity
600
1+20% Heavy Attack Efficiency
+30% Electricity
7301,449
2+30% Heavy Attack Efficiency
+45% Electricity
8904,347
3+40% Heavy Attack Efficiency
+60% Electricity
921010,143

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

Focus Energy — 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
6Target slot drain
RankObserved effectDrainEndo from 0Credits from 0
0+10% Heavy Attack Efficiency · +15% Electricity600
1+20% Heavy Attack Efficiency · +30% Electricity7301,449
2+30% Heavy Attack Efficiency · +45% Electricity8904,347
3+40% Heavy Attack Efficiency · +60% Electricity921010,143

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

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