Power of the Dark Side

In the Discipline Priest talent tree, Power of the Dark Side sits in the Discipline specialization talents, row 2 of 11. It is a single-point node.

Connected above

The tree draws a line into Power of the Dark Side from Atonement.

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  Atonement

  Power Word: Shield, Flash Heal, Shadow Mend, Plea, and Power Word: Radiance apply Atonement to your target for 15 sec. Your spell damage heals all targets affected by Atonement for 46% of the damage done. Healing is reduced when healing more than 5 targets. Healing increased by 40% when not in a raid.

Connected below

Power of the Dark Side leads on to Dark Indulgence and Encroaching Shadows.

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  Dark Indulgence

  Mind Blast has a 100% chance to grant Power of the Dark Side and deals 20% additional damage.

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  Encroaching Shadows

  Shadow Word: Pain Spreads to 2 nearby enemies when you cast Penance on the target.

Same row

Also on this row: Power Word: Radiance and Pain Suppression.

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  Power Word: Radiance

  A burst of light heals the target and 4 injured allies for (575% of Spell Power), and applies Atonement for 60% of its normal duration.

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  Pain Suppression

  Reduces all damage taken by a friendly target by 40% for 8 sec. Castable while stunned.