Foul Infections

In the Unholy Death Knight talent tree, Foul Infections sits in the Unholy specialization talents, row 4 of 11. It is a single-point node.

Connected above

The tree draws a line into Foul Infections from Clawing Shadows.

• 
  Clawing Shadows

  For each stack of Clawing Shadows, your Scourge Strike chains to an additional enemy. Each subsequent chain deals 10% reduced damage.

Connected below

Foul Infections leads on to Ebon Fever, Festering Scythe and Superstrain.

• 
  Ebon Fever

  Plagues deal 15% more damage over time in 125% of their duration.

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  Festering Scythe

  Festering Strike now follows up with a Festering Scythe that costs no Runes. Slashes through all enemies within 14 yds in front of you, dealing (101.2% of Attack Power) Shadow damage and hastening all of your plagues on targets hit to deal damage 35% faster for 25 sec.

• 
  Superstrain

  Dread Plague deals damage to an additional nearby enemy at 75% effectiveness and has a chance to grant you 4 Runic Power.

Same row

Also on this row: Plague Mastery or Grave Mastery and Necromancer's Cunning.

• 
  Plague Mastery

  Critical strike damage of your diseases is increased by 25%

• 
  Grave Mastery

  Critical strike damage of your minions is increased by 15%

• 
  Necromancer's Cunning

  When your Lesser Ghouls expire, they explode in viscera, dealing Shadow damage to enemies nearby.