Hardened Khorium

Hardened Khorium is an alloy bar made from a mixture of Khorium Bars and a Hardened Adamantite Bar. It is the most expensive Burning Crusade-era bar to smelt in the game.

Source
This item is smelted at a forge by Miners with a skill level of 375 who have learned this recipe from Study of Advanced Smelting (a rare zone drop in Sunwell Plateau).

As an ingredient
Hardened Khorium is used in the following recipes:


 * Blacksmithing
 * Hard Khorium Battlefists
 * Sunblessed Gauntlets


 * Engineering
 * Hard Khorium Goggles


 * Jewelcrafting
 * Hard Khorium Band
 * Hard Khorium Choker
 * Loop of Forged Power
 * Ring of Flowing Life