Greater Eternal Essence

Greater Eternal Essence is a magical essence of the Eternal plane used in Enchanting. One Greater Eternal Essence may be disassembled into three Lesser Eternal Essences.

Source
This essence is obtained by disenchanting level 51 to 56 items of Uncommon quality, the higher the less chance. Usually more from weapons (75% chance) than from armor (20% chance).

Tailoring

 * Enchanted Runecloth Bag

Enchanting

 * Versatility (boots enchant)
 * Vitality (shield enchant)
 * Enchant 2H Weapon - Agility
 * Argent Versatility
 * Major Mana
 * Enchant Weapon - Agility
 * Enchant Weapon - Strength
 * Greater Agility (boots enchant)
 * Superior Strength
 * Greater Strength (gloves enchant)
 * Enchant 2H Weapon - Major Intellect
 * Enchant 2H Weapon - Major Versatility
 * Healing Power (bracers enchant)
 * Enchant Chest - Greater Stats
 * Enchant Weapon - Healing Power
 * Enchant Weapon - Mighty Intellect
 * Enchant Weapon - Mighty Versatility
 * Enchant Weapon - Spellpower
 * Superior Striking

As a quest objective
The essence is required to complete the quest The Ectoplasmic Distiller from Mux Manascrambler in Tanaris. This is part of the quest chain to convert Tier 0 to Tier 0.5.