Assault the target's mind with Shadow energy, causing X Shadow damage over 3 sec and slowing their movement speed by 50%.
Mind Flay is a priest ability learned at level 10 for those with the Shadow specialization. It is the spell with the best damage/mana ratio for the priest, and it has the additional bonus to slow runners by 50%
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
Its debuff has no classification, hence it cannot be dispelled.
When attacking a druid with Mind Flay, shapeshifting cancels it.
Similarly, if the target uses a PvP trinket, it removes Mind Flay, due to the snare.
Mind Flay does additional threat. This is most likely due to its snare.
This spell is popularly referred to as the "face melter" due to the ray that usually targets the opponent's face.
Patch 4.2.0 (28-Jun-2011): When interrupted while casting a single-school spell such as Mind Flay or Frostbolt, players will now be able to cast dual-school spells such as Mind Spike (Frost and Shadow schools) or Frostfire Bolt (Frost and Fire schools). However, being interrupted while casting a dual-school spell will still interrupt all respective schools as intended.; Mind Flay damage done has been increased by 12%.
Patch 4.1.0 (26-Apr-2011): Mind Flay should no longer lose a tick of damage when the last tick is clipped by another Mind Flay cast.
Patch 3.3.0 (08-Dec-2009): Mind Flay: The range of this ability has been increased to 30 yards, up from 20.; Mind Flay: The rank 1 tooltip has been corrected to indicate the accurate damage and snare effect. In addition, this ability will now work correctly with [target=focus] and [target=mouseover] macros.
Patch 3.0.8 (2009-01-20): Fixed a bug with targeting where you would not deal damage if not facing the target while channeling. Also corrected an issue where the damage from this ability was slightly delayed.
/Patch 3.0.2 (14-Oct-2008): Can now periodically critically hit. The spell coefficient has been increased approximately 30%.
Patch 1.6.0 (12-Jul-2005): Will now cause damage to targets immune to movement slowing effects.
Patch 1.4.0 (2005-05-05): Should now be affected by the Focused Casting talent.