WarframeAlchemyLab ES
Expel Grineer

Farming plan

Expel Grineer

Arsenal: Expel Grineer
Dropped by
Drekar Manic Bombard Uncommon 4.42 %
Manic Bombard Uncommon 4.42 %
Demolisher Bailiff Uncommon 3.75 %
Demolisher Devourer Uncommon 3.75 %
Demolisher Expired Uncommon 3.75 %
Demolisher Heavy Gunner Uncommon 3.75 %
Demolisher Kuva Guardian Uncommon 3.75 %
Demolisher Nox Uncommon 3.75 %
Narmer Demolisher Bailiff Uncommon 3.75 %
Narmer Demolisher Expired Uncommon 3.75 %
Narmer Demolisher Gunner Uncommon 3.75 %
Kuva Heavy Gunner Uncommon 1.11 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 14 28 41 55 69 16 runs · 50% 16 runs · 50% 51 runs · 90% 51 runs · 90%

Each run has a 4.42% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.