Bind in Darkness

In the Blood Death Knight talent tree, Bind in Darkness sits in the Deathbringer hero talent tree, row 2 of 5. It is a single-point node. Its row opens once 1 points are spent in Deathbringer.

Connected above

The tree draws a line into Bind in Darkness from Reaper's Mark.

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  Reaper's Mark

  Viciously slice into the soul of your enemy, dealing (530.7% of Attack Power) Shadowfrost damage and applying Reaper's Mark. Each time you deal Shadow or Frost damage, add a stack of Reaper's Mark. Reaper's Mark travels to an unmarked enemy nearby if the target dies.

Connected below

Bind in Darkness leads on to Pact of the Deathbringer or Rune Carved Plates.

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  Pact of the Deathbringer

  When you suffer a damaging effect equal to 25% of your maximum health, you instantly cast Death Pact at 50% effectiveness. May only occur every 2 min. When a Reaper's Mark explodes, the cooldowns of this effect and Death Pact are reduced by 5 sec.

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  Rune Carved Plates

Same row

Also on this row: Wave of Souls, Wither Away and Frigid Resolve.

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  Wave of Souls

  Reaper's Mark sends forth bursts of Shadowfrost energy and back, dealing (254.3% of Attack Power) Shadowfrost damage both ways to all enemies caught in its path. Wave of Souls critical strikes cause enemies to take 5% increased Shadowfrost damage for 15 sec, stacking up to 2 times, and it is always a critical strike on its way back.

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  Wither Away
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  Frigid Resolve

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