• Seal of the Betrayed King
• Item Level 239Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
• Unique-Equipped
• Finger
• +74 Strength
  +81 Stamina
• Blue Socket
• Socket Bonus: +4 Strength
• Requires Level 80
• Equip: Improves hit rating by 40.
  Equip: Improves critical strike rating by 48.
• Sell Price: 7 56 23

Source

This item drops from Yogg-Saron on hard mode in the 25-man version of Ulduar.

Patch changes

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

Notes

The item name is a reference to the assassination of King Llane by Garona, along with the other items from Yogg-Saron: [Royal Seal of King Llane] and [Kingsbane].

External links

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