Brittle

In the Blood Death Knight talent tree, Brittle sits in the Death Knight class talents, row 4 of 10. It is a single-point node.

Connected above

The tree draws a line into Brittle from Unholy Momentum, Control Undead and Enfeeble.

• 
  Unholy Momentum2 ranks

  Increases Haste by 2%.

• 
  Control Undead

  Dominates the target undead creature up to level 38, forcing it to do your bidding for 5 min.

• 
  Enfeeble

  Your ghoul's attacks have a chance to apply Enfeeble, reducing the enemies movement speed by 30% and the damage they deal to you by 12% for 6 sec.

Connected below

Brittle leads on to Unholy Bond.

• 
  Unholy Bond

  Increases the effectiveness of your Runeforge effects by 20%.

Same row

Also on this row: Coldthirst, Proliferating Chill, Permafrost, Veteran of the Third War, Death Pact and Blood Bond.

• 
  Coldthirst

  Successfully interrupting an enemy with Mind Freeze grants 10 Runic Power and reduces its cooldown by 3 sec.

• 
  Proliferating Chill

  Chains of Ice affects 1 additional nearby enemy.

• 
  Permafrost

  Your auto attack damage grants you an absorb shield equal to 50% of the damage dealt.

• 
  Veteran of the Third War

  Stamina increased by 20%. Damage taken reduced.

• 
  Death Pact

  Create a death pact that heals you for 50% of your maximum health, but absorbs incoming healing equal to 30% of your max health for 15 sec.

• 
  Blood Bond