WarframeAlchemyLab ES
Best drops (effective chance)
Primary Acuity Rare 0.19 %
Merciless Gunfight Rare 0.1 %
Serration Rare 0.1 %
Spectral Serration Rare 0.1 %

Full drop table

Primary Acuity Mods Rare 0.19% Merciless Gunfight Mods Rare 0.1% Serration Mods Rare 0.1% Spectral Serration Mods Rare 0.1%

← All enemies

Effective probabilities from Digital Extremes’ official drop tables (via WFCD) — the same numbers shown on each item page.