Used in:

• Potion Of Undead's Recourse (Alchemy)

Dropped by (***no spawn table):

• Rathe Mountains
• a skeletal monk (17%)
• a barbed bone skeleton (4.8%)
• The Estate of Unrest
• an undead knight of Unrest (15%)
• a barbed bone skeleton (15%)
• a skeletal monk (26%)
• Butcherblock Mountains
• an undead bishop (15%)
• an undead knight (15%)
• an undead king (15%)
• Dagnor's Cauldron
• Barnacle Bones (15%)