• Pulse Baton
• Item Level 219Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Mace
• Main Hand
  
• Speed 1.80
• 80 - 258 Damage
• (94.1 damage per second)
• +44 Stamina
  +36 Intellect
• Durability 105 / 105
• Requires Level 80
• Equip: Improves critical strike rating by 46.
  Equip: Restore 15 mana per 5 sec.
  Equip: Increases spell power by 487.
• 
• Sell Price: 20 83 34

Source

This item can be found inside Cache of Innovation after defeating Mimiron in the 10-man version of Ulduar.

Patch changes

• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

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