Invoked Nightmare

In the Shadow Priest talent tree, Invoked Nightmare sits in the Shadow specialization talents, row 2 of 11. It is a single-point node.

Choice node

Invoked Nightmare shares its node with Misery. A character takes one of the two.

• 
  Misery

  Vampiric Touch also applies Shadow Word: Pain to the target. Shadow Word: Pain lasts an additional 5 sec.

Connected above

The tree draws a line into Invoked Nightmare from Shadow Word: Madness.

• 
  Shadow Word: Madness

  A word of madness haunts the target's mind, dealing (261.6% of Spell Power) Shadow damage instantly plus an additional (784.9% of Spell Power) Shadow damage over 6 sec. Heals you of damage dealt. When reapplied to a target, all remaining damage is added to the new effect.

Connected below

Invoked Nightmare leads on to Tentacle Slam.

• 
  Tentacle Slam

  Summons a massive shadowy appendage to slam the ground, dealing (68.8% of Spell Power) Shadow damage in front of you and 8 yds around your target. Applies Vampiric Touch to up to 6 enemies, prioritizing ones without Vampiric Touch. Generates 6 Insanity.

Same row

Also on this row: Psychic Link and Intangibility or Mental Fortitude.

• 
  Psychic Link

  Your direct damage spells inflict 20% of their damage on all other targets afflicted by your Vampiric Touch. Does not apply to damage from Shadowy Apparitions, Shadow Word: Pain, and Vampiric Touch.

• 
  Intangibility

  Dispersion heals you for of your maximum health over its duration and its cooldown is reduced by 30 sec.

• 
  Mental Fortitude

  Healing from Vampiric Touch and Shadow Word: Madness when you are at maximum health will shield you for the same amount. The shield cannot exceed 10% of your maximum health.