2020

• Glyph of Frostfire Bolt
• Item Level 25Disenchants into:
  Not disenchantable
• Major Glyph
• Classes: Mage
• Requires Level 25
• Use: Permanently teaches you this glyph.
  Reduces the cast time of Frostfire Bolt by 0.5 sec.
• 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 Increases the damage done by your Frostfire Bolt by 15% and your Frostfire Bolt now deals 3% additional damage over 12 sec, stacking up to 3 times, but no longer reduces the victim's movement speed. 
  

External links

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