Dropped by
a bottomless devourer (Charasis: Vault of Eternal Sleep)
a crypt enforcer (The Crypt of Agony)
a crypt juggernaut (The Crypt of Agony)
a deadly stoneglint (Jarsath Wastes)
a dialated retaliator (Runnyeye: The Gathering)
a Durus decapitator (Jarsath Wastes)
a Durus scar guardian (Jarsath Wastes)
a mistgoblin shaman (Kunzar Jungle)
a Sathirian sokokar keeper (Kunzar Jungle)
a skyfire drake (Jarsath Wastes)
a tormented dar (The Crypt of Agony)
a vicious razorfang (Jarsath Wastes)
a vile stoneleer (Jarsath Wastes)
an aggressive grindhoof (Jarsath Wastes)
an agitated corpse (The Crypt of Agony)
an agitated protector (The Crypt of Agony)
an ambushing grindhoof (Jarsath Wastes)
an elder jungle quatcha (Kunzar Jungle)
Ganak's tomb guardian (Charasis: Vault of Eternal Sleep)
Praetor of the Phylactery (Charasis: Vault of Eternal Sleep)
Stoneneb (Kunzar Jungle)
Watch Sergeant Grolj (Jarsath Wastes)

Mobs that drop this item also drop