Ingredients

These reagents/resources/ingredients spawn on the corpses of Peerless monsters. There are two subtypes: reagents which only spawn on a specific peerless boss, and ones which can spawn on every peerless boss.

The first subtype:

Name	Found On
File:Dread horn mane.gif Dread Horn Mane	Dread Horn
File:Grizzled bones.gif Grizzled Bones	Monstrous Interred Grizzle
File:Captured essence.gif Captured Essence	Shimmering Effusion
File:Eye of the travesty.gif Eye of the Travesty	Travesty
File:Diseased bark.gif Diseased Bark	Lady Melisande
File:Lard of paroxysmus.gif Lard of Paroxysmus	Chief Paroxysmus

Resources from any Peerless

File:Corruption.gif Corruption	File:Taint.gif Taint	File:Blight.gif Blight
File:Putrefaction.gif Putrefaction	File:Muculent.gif Muculent	File:Scourge.gif Scourge

This is the second subtype: these resources can be found on any of the peerless bosses.