Farming plan

Shivering Contagion

Dropped by

The Fragmented Suzerain Uncommon 0.61 %

The Severed Warden Uncommon 0.31 %

Chance of getting it by number of runs

Each run has a 0.61% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.