Coldthirst

In the Blood Death Knight talent tree, Coldthirst 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 Coldthirst from Mind Freeze.

• 
  Mind Freeze

  Smash the target's mind with cold, interrupting spellcasting and preventing any spell in that school from being cast for 5 sec.

Connected below

Coldthirst leads on to Icy Talons.

• 
  Icy Talons

Same row

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

• 
  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.

• 
  Brittle

  Your diseases have a chance to weaken your enemy causing your attacks against them to deal 6% increased damage for 5 sec.

• 
  Blood Bond