• Tiriosh, Nightmare of Ages
• Item Level 416Disenchants into:
  Not disenchantable
• Binds when picked up
  
• Dagger
• Off Hand
  
• Speed 1.40
• 770 - 1432 Damage
• (786.3 damage per second)
• +229 Agility
  +373 Stamina
• Red Socket
• Socket Bonus: +10 Agility
• Requires Level 85
• Equip: Increases your haste rating by 154.
  Equip: Increases your expertise rating by 149.
  Equip: Increases your mastery rating by 150.
  Use: Slows your falling speed for 15 sec. (5 Min Cooldown)
• 
• Fangs of the Father (2 pieces)
• [Golad, Twilight of Aspects]
  [Tiriosh, Nightmare of Ages]
• (2) Set: Your melee attacks have a chance to grant Shadows of the Destroyer, increasing your Agility by 17, stacking up to 50 times. Each application past 30 grants an increasing chance to trigger Fury of the Destroyer. When triggered, this consumes all applications of Shadows of the Destroyer, immediately granting 5 combo points and cause your finishing moves to generate 5 combo points. Lasts 6 sec.

This item is a reward from  [85] Patricide, given by Wrathion inside Ravenholdt Manor in Hillsbrad Foothills.

Patch changes

• Patch 4.3.0 (29-Nov-2011): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB