Inferno

In the Destruction Warlock talent tree, Inferno sits in the Destruction specialization talents, row 10 of 11. It is a single-point node. Its row opens once 20 points are spent in Destruction Talents.

Connected above

The tree draws a line into Inferno from Chaos Incarnate.

• 
  Chaos Incarnate

  Chaos Bolt, Rain of Fire, and Shadowburn always gain at least 70% of the maximum benefit from your Mastery: Chaotic Energies.

Same row

Also on this row: Avatar of Destruction, Alythess's Ire and Raging Demonfire.

• 
  Avatar of Destruction

  Casting Soul Fire summons an Overfiend. Opening a Dimensional Rift has a chance to summon an Overfiend instead. Generates 1 Soul Shard Fragment every 1 sec and casts Chaos Bolt at 80% effectiveness at its summoner's target. Lasts 8 sec.

• 
  Alythess's Ire

  Rain of Fire has a 20% chance to reduce the cost of your next Rain of Fire within 8 sec.

• 
  Raging Demonfire

  Channel Demonfire fires an additional 2 bolts.