WarframeAlchemyLab ES
Secondary Merciless

Farming plan

Secondary Merciless

Arsenal: Secondary Merciless
Dropped by
Angst (Level 0 - 100) Uncommon 16.67 %
Malice (Level 0 - 100) Uncommon 16.67 %
Mania (Level 0 - 100) Uncommon 16.67 %
Misery (Level 0 - 100) Uncommon 16.67 %
Torment (Level 0 - 100) Uncommon 16.67 %
Violence (Level 0 - 100) Uncommon 16.67 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 4 7 11 14 18 4 runs · 50% 4 runs · 50% 13 runs · 90% 13 runs · 90%

Each run has a 16.67% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.