2020

• Glyph of Mind Flay
• Item Level 25Disenchants into:
  Not disenchantable
• Major Glyph
• Classes: Priest (Shadow)
• Requires Level 25
• Use: Permanently teaches you this glyph.
  Your Mind Flay spell no longer slows your victim's movement speed. Instead, each time Mind Flay deals damage you will be granted 15% increased movement speed for 5 sec, stacking up to 3 times.
• Sell Price: 1

Source

This item is created with Inscription (455).

Materials needed

3x [Celestial Ink]

1x [Light Parchment]

Patch notes

• Patch 5.3.0 (20-May-2013): Fixed an issue where Glyph of Mind Flay's movement speed increase was not stacking correctly. 
  
• Patch 5.0.4 (28 August 2012): Changed from Increases the damage done by your Mind Flay spell by 10% when your target is afflicted with Shadow Word: Pain. 
  
• Patch 3.3.0 (08-Dec-2009): This glyph now increases the damage done by Mind Flay by 10% when the target is afflicted with Shadow Word: Pain.
  

            Formerly increased range by 10 yards.

• Patch 3.2.2 (2009-09-22): This glyph no longer reduces the magnitude of the movement reduction on the Mind Flay victim. 
  
• Patch 3.0.3 (04-Nov-2008): Now sets snare to 10% instead of removing it. 
  

External links

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