Singular Focus

In the Assassination Rogue talent tree, Singular Focus sits in the Deathstalker hero talent tree, row 2 of 6. It is a single-point node. Its row opens once 1 points are spent in Deathstalker.

Connected above

The tree draws a line into Singular Focus from Deathstalker's Mark.

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  Deathstalker's Mark

  Garrote applies 3 stacks of Deathstalker's Mark to your target, unless Deathstalker's Mark is already active. You learn Mark for Death. When you spend 5 or more combo points on attacks against a Marked target you consume an application of Deathstalker's Mark, dealing (156% of Attack Power) Plague damage. Move your active Deathstalker's Mark to your target.

Connected below

Singular Focus leads on to Lingering Darkness or Symbolic Victory.

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  Lingering Darkness

  After Deathmark expires, gain 30% increased Nature damage for 30 sec.

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  Symbolic Victory

Same row

Also on this row: Clear the Witnesses, Hunt Them Down and Precise Killer.

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  Clear the Witnesses

  Fan of Knives damage increased by 60%.

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  Hunt Them Down

  Auto-attacks against Marked targets deal an additional (10% of Attack Power) Plague damage.

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  Precise Killer

  Critical strike damage bonus increased by 20%.