Deadly Efficiency
- Polarity
- Madurai
- Rarity
- Rare
- Drain
- 4 → 9
- Fits
- Archgun
(Stats)
- On Reload From Empty: · +120% Damage for 9s
Not curated. The effect text above comes straight from the game export, which carries per-mod errors. The builder refuses to compute with it.
Drain by rank
- R0 4
- R1 5
- R2 6
- R3 7
- R4 8
- R5 9
A matching polarity halves the drain, rounded up; a mismatched one costs more than no polarity at all.
(Acquisition)
Deadly Efficiency drops in 6 places. The best odds are 1.25% at Venus/Orb Vallis (Bounty Completion), rotation C.
Missions 5
| Where | Rotation | Chance |
|---|---|---|
| Exo Elite Lancer | — | — |
| Exo Butcher | — | — |
| Exo Raider Carver | — | — |
| Exo Raider Eviscerator | — | — |
| Exo Raider | — | — |
Bounties 1
| Where | Rotation | Chance |
|---|---|---|
| Venus/Orb Vallis (Bounty Completion) | C | 1.25% |
Chances are per reward roll. Where a mission appears in more than one reward table, the best figure is the one shown.
(Information)
- Introduced
- 24.2
- Max rank
- 5
- Tradable
- Yes
- Transmutable
- Yes
- Exilus slot
- No
Cannot be equipped with
Primed Deadly Efficiency
(Sources)
Polarity, drain, rarity, compatibility and the card art come from the game export (snapshot 19 Sept 2026). Introduction version, tradability, mod sets and the drop tables come from the WARFRAME Wiki , CC BY-SA. Whether an effect is curated is our own judgement, recorded per mod.