Drop (not confirmed)

item	chance	amount
Adena	70.0%	8703–20 317
Corroded Mid-grade Accessory Gem	17.1%	1
Corroded Accessory Gem	14.8%	3–9

Spoil (not confirmed)

item	chance	amount
Corroded Accessory Gem	69.7%	1
Corroded Mid-grade Accessory Gem	13.7%	1