Tainted Essence

Combining 10 tainted essences will yield a Writhing Mass.
==Source==
The essence are dropped by the following members of the Cult of the Damned in Icecrown:
*Cult Taskmaster
*Void Summoner
*Cult Alchemist
*Cult Blackguard
*Damned Apothecary
*Shadow Channeler
*Vile Torturer
*Dark Subjugator
*Cult Researcher
*Cultist Shard Watcher
==As a quest objective==
This item is an objective of the following quests:
*Retest Now (Alliance)
*Retest Now (Alliance daily)
*Retest Now (Horde)
*Retest Now (Horde daily)
==Patch changes==
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==External links==