Drop (not confirmed)

item	chance ↓	amount
Adena	70.0%	1861–4344
Corroded Weapon Fragment	6.5%	1
Corroded Mid-grade Weapon Fragment	1.2%	1

Spoil (not confirmed)

item	chance ↓	amount
Corroded Weapon Fragment	5.0%	1
Corroded Mid-grade Weapon Fragment	0.8%	1