2020

• Glyph of Resonating Power
• Item Level 25Disenchants into:
  Not disenchantable
• Major Glyph
• Classes: Warrior
• Requires Level 25
• Use: Permanently teaches you this glyph.
  Increases the damage and cooldown of Thunder Clap by 50%.
• Sell Price: 1

Source

This item is created with Inscription (385).

Materials needed

3x [Ink of the Sea]

1x [Light Parchment]

Patch changes

• Patch 5.0.4 (28 August 2012): Changed from Reduces the rage cost of your Thunder Clap ability by 5. 
  

External links

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