• Libram of the Sacred Shield
• Item Level 226Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Libram
• Relic
• Requires Level 80
• Equip: Increases your block value by 450 for 20 sec each time you use Holy Shield.
• Sell Price: 6 36 38

Libram of the Sacred Shield drops from General Vezax in the 25-man version of Ulduar. It can also be purchased for 19 from  Arcanist Firael <Emblem of Conquest Quartermaster> /  Magister Sarien <Emblem of Conquest Quartermaster>.

Patch changes

• Patch 3.2.2 (2009-09-22): The block value buff from this relic has been increased to match its item level.
  

            Old was 272, now 450.

• Patch 3.2.2 (2009-09-22): [Libram of Obstruction]: The buff to block value from this relic is now exclusive with the buff to block value from Libram of the Sacred Shield; it is impossible to have both buffs at once. 
  
• Patch 3.2.0 (04-Aug-2009): Now can be purchased with [Emblem of Conquest] badges. 
  
• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

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