Descending Darkness

In the Shadow Priest talent tree, Descending Darkness sits in the Shadow specialization talents, row 4 of 11. It is a single-point node.

Connected above

The tree draws a line into Descending Darkness from Tentacle Slam.

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  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.

Connected below

Descending Darkness leads on to Voidform.

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  Voidform

  Bombards your target with a Void Volley and twists your Shadowform with void magic, increasing your spell damage by 20% for 20 sec. During Voidform, Void Volley replaces this spell and can be used up to 3 times. Releases a volley of pure void energy, firing 10 bolts at your target and 1 boltsbolt at all enemies of your target for (95.4% of Spell Power) Shadow damage. Generates 10 Insanity.

Same row

Also on this row: Tormenting Whispers and Surge of Insanity.

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  Tormenting Whispers

  Increases Shadow Word: Madness damage by 15%.

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  Surge of Insanity

  Mind Flay damage increased by 15% and Insanity generation increased by 30%.