Fel Synergy

In the Affliction Warlock talent tree, Fel Synergy sits in the Warlock class talents, row 9 of 10. It takes 2 points to fill. Its row opens once 23 points are spent in Class Talents.

Connected above

The tree draws a line into Fel Synergy from Demonic Gateway and Howl of Terror or Shadowfury.

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  Demonic Gateway

  Creates a demonic gateway between two locations. Activating the gateway transports the user to the other gateway. Each player can use a Demonic Gateway only once per.

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  Howl of Terror

  Let loose a terrifying howl, causing 5 enemies to flee in fear, disorienting them for 20 sec. Damage may cancel the effect.

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  Shadowfury

  Stuns all enemies within 8 yds for 3 sec.

Connected below

Fel Synergy leads on to Soulburn and Blight of Weakness or Blight of Tongues.

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  Soulburn

  Consumes a Soul Shard, unlocking the hidden power of your spells. Demonic Circle: Teleport: Increases your movement speed by 50% and makes you immune to snares and roots for 6 sec. Demonic Gateway: Can be cast instantly. Drain Life: Gain an absorb shield equal to the amount of healing done for 30 sec. This shield cannot exceed 30% of your maximum health. Healthstone: Increases the healing of your Healthstone by 30% and increases your maximum health by 20% for 12 sec.

• 
  Blight of Weakness

  Call forth a cloud of cloying shadow mist that envelopes the target and all enemies within 10 yds, increasing the time between their attacks by 100% and reducing their critical strike chance by 10% for 12 sec. Curses: A warlock can only have one Curse or Blight active per target.

• 
  Blight of Tongues

  Call forth a cloud of cloying shadow mist that envelopes the target and all enemies within 10 yds, increasing their casting time of all spells by 100% for 12 sec. Curses: A warlock can only have one Curse or Blight active per target.

Same row

Also on this row: Swift Artifice, Soul Link, Frequent Traveler and Oppressive Darkness.

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  Swift Artifice

  Reduces the cast time of Soulstone and Create Healthstone by 50%.

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  Soul Link2 ranks

  5% of all damage you take is taken by your demon pet instead.

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  Frequent Traveler
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  Oppressive Darkness

  Reduces the cooldown of Shadowfury by 15 sec and increases its radius by 2 yds. Reduces the cooldown of Howl of Terror by 5 sec and it now fears 5 additional enemies.