Primordial Saronite

Source
This item drops from bosses in Icecrown Citadel.

This item can also be bought from the following vendors for :
 * in Dalaran
 * in Icecrown Citadel
 * in Dalaran

As a currency
Players who are Honored or higher with the Ashen Verdict can trade in Primordial Saronite to buy the following recipes from :

As a quest objective

 * The Sacred and the Corrupt