WarframeAlchemyLab ES
No Return

Farming plan

No Return

Arsenal: No Return
Dropped by
Another Betrayer, Rotation B Rare 8.43 %
Family Reunion, Rotation B Rare 8.43 %
Hot Mess, Rotation B Rare 8.43 %
Recover The Orokin Archive, Rotation B Rare 8.43 %
Sunkiller, Rotation B Rare 8.43 %
Table For Two, Rotation B Rare 8.43 %
The Aftermath, Rotation B Rare 8.43 %
Time's Up, Rotation B Rare 8.43 %
Hellion Power Carrier Uncommon 2.77 %
Scrofa Crewman Rare 0.88 %
Scrofa Plasmor Crewman Rare 0.88 %
Scrofa Sniper Ranger Rare 0.88 %
Chance of getting it by number of runs
0% 25% 50% 75% 100% 7 15 22 30 37 8 runs · 50% 8 runs · 50% 27 runs · 90% 27 runs · 90%

Each run has a 8.43% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.