• Banner of Victory
• Item Level 200Disenchants into:
  [Abyss Crystal]: 1
• Binds when picked up
• Unique
• Trinket
• Requires Level 80
• Equip: Increases your armor penetration rating by 84.
  Equip: Each time you hit with a melee or ranged attack, you have a chance to gain 1008 attack power for 10 sec.
• Sell Price: 10 73 43

Source

Contained in Confessor's Cache after defeating Argent Confessor Paletress at the Trial of the Champion in normal mode.

Patches and hotfixes

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

External links

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