WarframeAlchemyLab ES
Stand United

Farming plan

Stand United

Arsenal: Stand United
Dropped by
Orphid Specter Uncommon 29.82 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 2 4 6 8 10 2 runs · 50% 2 runs · 50% 7 runs · 90% 7 runs · 90%

Each run has a 29.82% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.