Lessons in Debilitation

In the Arcane Mage talent tree, Lessons in Debilitation sits in the Sunfury hero talent tree, row 3 of 5. It is a single-point node.

Choice node

Lessons in Debilitation shares its node with Explosive Potential. A character takes one of the two.

• 
  Explosive Potential

  After casting Arcane Surge, your next Shimmer will cause a Blast Wave at your previous location, dealing (54.3% of Spell Power) Fire damage, knocking enemies back 8 yds, and slowing them by 70% for 6 sec.

Connected above

The tree draws a line into Lessons in Debilitation from Burden of Power.

• 
  Burden of Power

  Arcane Blast damage increased by 30%. Arcane Pulse damage increased by 20%.

Connected below

Lessons in Debilitation leads on to Rondurmancy.

• 
  Rondurmancy

  Your chance to generate a Spellfire Sphere is increased by 6%. Spellfire Spheres grant an additional 1% spell damage.

Same row

Also on this row: Merely a Setback or Time Twist, Codex of the Sunstriders and Pyrocosm.

• 
  Merely a Setback

  The bonuses provided by your Barrier spells persist at 100% effectiveness for an additional 8 sec after your Barrier is removed.

• 
  Time Twist

  Alter Time's cooldown is reduced by 10 sec.

• 
  Codex of the Sunstriders

  When your Arcane Phoenix is summoned, it consumes all your Spellfire Spheres. Each Sphere consumed increases your spell damage during Arcane Surge by 1% and causes your Arcane Phoenix to cast an exceptional Arcane or Fire spell over its duration.

• 
  Pyrocosm

  Each wave of Arcane Missiles has a 10% chance to summon a Meteorite. When a Meteorite lands, you have a 5% chance to gain Clearcasting.