Farming plan

Whirlwind

Dropped by

Ancient Disruptor Rare 0.03 %

Deimos Therid Rare 0.03 %

Tar Mutalist Moa Rare 0.03 %

Corrupted Bombard Legendary 0.02 %

Corrupted Drahk Master Legendary 0.02 %

Corrupted Heavy Gunner Legendary 0.02 %

Corrupted Nullifier Legendary 0.02 %

Chance of getting it by number of runs

Each run has a 0.03% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.