Improved Firestone

From WoWWiki

The subject of this article has been removed from World of Warcraft. This includes items and quests that can no longer be obtained. The in-game information in this article is kept purely for historical purposes and should probably not be under any other categories. This talent was replaced by Master Conjuror.

Increases the bonus Fire damage from Firestones and the Firestone effect (added melee damage) by 15%/30%.

Fire stones are conjured relic items, most commonly used and most beneficial for Destruction specced warlock. They are inserted into the 'ranged' slot, and used commonly with two-handed weapons. However, wands and Firestones cannot be used at the same time.