WarframeAlchemyLab ES
Breach Loader

Farming plan

Breach Loader

Arsenal: Breach Loader
Dropped by
Razorback Rare 5.53 %
Eidolon Gantulyst Legendary 0.84 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 11 22 34 45 56 13 runs · 50% 13 runs · 50% 41 runs · 90% 41 runs · 90%

Each run has a 5.53% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.