Eternal Hunger

In the Affliction Warlock talent tree, Eternal Hunger sits in the Soul Harvester hero talent tree, row 4 of 5. It is a single-point node.

Connected above

The tree draws a line into Eternal Hunger from Shared Vessel.

• 
  Shared Vessel

  Increases your Mastery by 2%. This effect is doubled while the demonic entity is aiding you in combat.

Connected below

Eternal Hunger leads on to Shadow of Death.

• 
  Shadow of Death

  Your Dark Harvest spell is empowered by the demonic entity within you, causing it to grant 1 Soul Shard that each contain a Succulent Soul every 1 sec while channeled.

Same row

Also on this row: Wicked Reaping, Quietus and Sataiel's Volition.

• 
  Wicked Reaping

  Damage dealt by your demonic soul is increased by 10%. Consuming Nightfall feeds the demonic entity within you, causing it to appear and deal (601% of Spell Power) Shadow damage to your target.

• 
  Quietus

  Soul Anathema damage increased by 25% and is dealt 20% faster. Consuming Nightfall activates Shared Fate or Feast of Souls.

• 
  Sataiel's Volition

  Corruption deals damage 25% faster and Haunt grants Nightfall.