• Rhok'shalla, the Shadow's Bane
• Item Level 245Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Bow
• Ranged
  
• Speed 2.80
• 444 - 744 Damage
• (212.2 damage per second)
• +39 Agility
  +32 Stamina
• Yellow Socket
• Socket Bonus: +4 Hit Rating
• Durability 90 / 90
• Requires Level 80
• Equip: Improves hit rating by 24.
  Equip: Increases attack power by 57.
  Equip: Increases your armor penetration rating by 24.
• 
• Sell Price: 18 31 45

Source

This item can be found inside the Tribute Chest after defeating Anub'arak in the 10-man version of Trial of the Grand Crusader.

Patch changes

• Patch 3.2.0 (04-Aug-2009): Added. 
  

External links

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