Ruin

In the Destruction Warlock talent tree, Ruin sits in the Destruction specialization talents, row 8 of 11. It takes 2 points to fill. Its row opens once 20 points are spent in Destruction Talents.

Connected above

The tree draws a line into Ruin from Reverse Entropy.

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  Reverse Entropy

  Your spells have a chance to grant you 15% Haste for 8 sec.

Connected below

Ruin leads on to Dimensional Rift or Soul Fire and Chaos Incarnate.

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  Dimensional Rift

  Chaos Bolt and Shadowburn have a 10% chance to rip open a hole in space and time, opening a random portal that damages your target: Deals Shadow damage over 14 sec. Deals Chaos damage over 6 sec. Fires a Chaos Bolt, dealing (326.5% of Spell Power) Chaos damage. This Chaos Bolt always critically strikes and your critical strike chance increases its damage. Generates Soul Shard Fragments.

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  Soul Fire

  Burns the enemy's soul, dealing (3867.4% of Spell Power) Fire damage and applying Wither. Generates 1 Soul Shard.

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  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: Improved Chaos Bolt, Destructive Rapidity and Devastation.

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  Improved Chaos Bolt
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  Destructive Rapidity

  Increases how quickly Rain of Fire deals damage by 25% and how quickly your Infernal's Immolation deals damage by 10%.

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  Devastation2 ranks

  Increases the critical strike chance of your Destruction spells by 3%.