Heartbreaker

In the Blood Death Knight talent tree, Heartbreaker sits in the Blood specialization talents, row 5 of 11. It is a single-point node. Its row opens once 8 points are spent in Blood Talents.

Connected above

The tree draws a line into Heartbreaker from Ossuary.

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  Ossuary

  While you have at least 5 Bone Shield charges, the cost of Death Strike is reduced by 5 Runic Power. Additionally, your maximum Runic Power is increased by 10.

Connected below

Heartbreaker leads on to Gorefiend's Grasp or Abomination Limb.

• 
  Gorefiend's Grasp

  Shadowy tendrils coil around all enemies of a hostile or friendly target, pulling them to the target's location and Silencing them for 3 sec.

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  Abomination Limb

  Sprout an additional limb, pulling enemies further than 8 yds from you every 1 sec. The same enemy can only be pulled once every 4 sec.

Same row

Also on this row: Leeching Strike, Foul Bulwark, Dancing Rune Weapon, Hemostasis, Perseverance of the Ebon Blade and Bloodworms.

• 
  Leeching Strike
• 
  Foul Bulwark

  Each charge of Bone Shield increases your maximum health.

• 
  Dancing Rune Weapon

  Summons a rune weapon for 8 sec that mirrors your melee attacks and bolsters your defenses. While active, you gain 30% parry chance.

• 
  Hemostasis
• 
  Perseverance of the Ebon Blade

  When Crimson Scourge is consumed, damage taken is reduced by 4% for 10 sec.

• 
  Bloodworms

  Your auto attacks have a chance to summon a Bloodworm. Bloodworms deal minor damage to your target for 15 sec and then burst, healing you for 15% of your missing health. If you drop below 50% health, your Bloodworms will immediately burst and heal you.