• Shadowmoon Insignia
• Item Level 141Disenchants into:
  [Void Crystal]: 1-2
• Binds when picked up
• Unique
• Trinket
• Requires Level 70
• Equip: Increases defense rating by 36.
  Equip: Increases your dodge rating by 32.
  Use: Increases your maximum health by 1750 for 20 sec.
• Sell Price: 9 11 60
• Cooldown: 3 minutes

Shadowmoon Insignia is an epic trinket for tanks.

Source

This item drops from Gurtogg Bloodboil in the Black Temple.

Patches and hotfixes

Patch 2.1.0 (22-May-2007): Added 

External links

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