Essence of Destruction

Source
This item drops from all bosses in the Dragon Soul on normal and heroic mode.

Blacksmithing

 * Bracers of Destructive Strength
 * Foundations of Courage
 * Pyrium Legplates of Purified Evil
 * Soul Redeemer Bracers
 * Titanguard Wristplates
 * Unstoppable Destroyer's Legplates

Leatherworking

 * Bladeshadow Leggings
 * Bladeshadow Wristguards
 * Bracers of Flowing Serenity
 * Bracers of the Hunter-Killer
 * Deathscale Leggings
 * Leggings of Nature's Champion
 * Rended Earth Leggings
 * Thundering Deathscale Wristguards

Tailoring

 * Bracers of Unconquered Power
 * Dreamwraps of the Light
 * Lavaquake Legwraps
 * World Mender's Pants