WarframeAlchemyLab ES
Vitus Essence

Farming plan

Vitus Essence

Arsenal: Vitus Essence
Dropped by
Arbitrations, Rotation C Uncommon 10 %
Arbitrations, Rotation A Rare 7 %
Arbitrations, Rotation B Rare 7 %
Arbitration Shield Drone Common 6 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 6 12 18 24 30 7 runs · 50% 7 runs · 50% 22 runs · 90% 22 runs · 90%

Each run has a 10% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.