From WoWWiki

Essence of Undeath is an elemental building block of many crafting recipes. It adds the virtues of death and darkness to any item.

Source

Essence of Undeath drops off of Undead mobs in Dire Maul, Eastern Plaguelands, Naxxramas, Scholomance, Stratholme, Western Plaguelands, and Zul'Gurub.

Essence of Undeath can also be created from Essence of Water by Alchemists with a skill level of 275 using a Philosopher's Stone. There is a global transmute cooldown of 24 hours.

The recipe Transmute: Water to Undeath drops off creatures with their levels in the 50s.

Essence of Undeath as an Ingredient

Essence of Undeath is used in the following recipes:

Alchemy

• Transmute: Undeath To Water (level 275)

Blacksmithing

• [Corruption] (level 290)
• [Annihilator] (level 300)
• [Persuader] (level 300)

Enchanting

• Enchant Weapon - Unholy Weapon (level 295)
• Enchant Gloves - Shadow Power (level 300)
• Enchant Weapon - Lifestealing (level 300)

Engineering

• [Gnomish Death Ray] (level 240)
• [Ultra-Flash Shadow Reflector] (level 300)

Tailoring

• [Robe of Winter Night] (level 285)
• [Felcloth Gloves] (level 300)
• [Robe of the Void] (level 300)

Jewelcrafting

• [Sapphire Pendant of Winter Night] (level 280)

Notes

External links