Essence of Fire

Essence of Fire is an elemental building block of many crafting recipes. It adds the virtues of heat and fire to any item.

Source
This item drops from fire elementals, flamewakers and Molten Giants.

This item is also crafted with Alchemy (275); taught by Recipe: Transmute Air to Fire, an Argent Dawn reputation reward.

As a quest objective
This item was an objective of Fiery Plate Gauntlets (quest).

Alchemy

 * Transmute: Fire to Earth

Blacksmithing

 * Blazing Rapier
 * Fiery Plate Gauntlets
 * Sulfuron Hammer

Enchanting

 * Smoking Heart of the Mountain
 * Enchant Cloak - Greater Fire Resistance
 * Fire Power
 * Enchant Weapon - Fiery Weapon

Engineering

 * High-Powered Flashlight
 * Gyrofreeze Ice Reflector
 * Fused Wiring
 * Flawless Arcanite Rifle

Jewelcrafting

 * Band of Natural Fire
 * Figurine - Ruby Serpent

Leatherworking

 * Spitfire Bracers
 * Spitfire Breastplate
 * Spitfire Gauntlets
 * Volcanic Shoulders
 * Volcanic Leggings
 * Volcanic Breastplate

Tailoring

 * Belt of the Archmage
 * Cindercloth Cloak
 * Cindercloth Pants
 * Cloak of Fire
 * Core Felcloth Bag
 * Flarecore Gloves
 * Flarecore Leggings
 * Flarecore Robe
 * Flarecore Wraps
 * Inferno Gloves
 * Robe of the Archmage
 * Robe of the Void