Dropped by
a bottomless feaster (Charasis: Maiden's Chamber)
a skyfire wurm (Jarsath Wastes)
a spectral nullifier (Obelisk of Ahkzul)
a Yha-lei patroller (Jarsath Wastes)
Derzitha of the Jarsath (Charasis: Maiden's Chamber)
Digg (Ward of Elements)
Firelord Kaern (The Deep Forge)
Garudon (Veksar: The Sunken Theater)
Lord Marcus Thex (Evernight Abbey)
Primogen Daishirou (Mistmyr Manor)
Shade of Miragul (Miragul's Phylactery: Scion of Ice)
The Bonegrinder (Befallen: Cavern of the Afflicted)
The Codexicon (Miragul's Phylactery: The Crucible)
Yynzik the Scornridden (Kurn's Tower: Breaching the Void)

Confirmed Locations
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