Hex Shrunken Head

Hex Shrunken Head is an epic trinket for DPS casters.

Source
This item drops from Hex Lord Malacrass in Zul'Aman.

Effective Damage
The effective +damage gained from the on-use effect of this Trinket is: 211 * (20 / 120) = 35.16 +damage

Meaning, in total, this trinket grants 88.16 +damage if activated every cooldown.