Farming plan

Organ Shatter

Dropped by

Raptor Common 37.94 %

Profit-Taker Uncommon 14.1 %

Coolant Raknoid Common 11.62 %

Scrofa Latro Raknoid Common 11.62 %

Scrofa Laser Moa Common 7.59 %

Scrofa Railgun Moa Common 7.59 %

Terra Anti Moa Common 7.59 %

Terra Moa Common 7.59 %

Terra Railgun Moa Common 7.59 %

Terra Shockwave Moa Common 7.59 %

Drekar Ballista Common 7.59 %

Drekar Hellion Uncommon 7.59 %

Chance of getting it by number of runs

Each run has a 37.94% chance. The curve is 1−(1−p)ⁿ: there is never a guarantee, only growing confidence.