Farming plan

Forward Artillery

Dropped by

Kosma Cutter Rare 0.63 %

Elite Kosma Cutter Rare 0.25 %

Elite Orm Basilisk Rare 0.21 %

Elite Taro Basilisk Rare 0.17 %

Taro Basilisk Rare 0.15 %

Elite Vorac Harpi Legendary 0.1 %

Chance of getting it by number of runs

Each run has a 0.63% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.