WarframeAlchemyLab ES
Lamentus

Farming plan

Lamentus

Arsenal: Lamentus
Dropped by
Dax Arcus Common 65 %
Dax Equitem Common 65 %
Dax Gladius Common 65 %
Dax Herald Common 65 %
Dax Malleus Common 65 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 2 3 5 6 8 1 runs · 50% 1 runs · 50% 3 runs · 90% 3 runs · 90%

Each run has a 65% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.