Osmosis

In the Blood Death Knight talent tree, Osmosis sits in the Death Knight class talents, row 8 of 10. It is a single-point node. Its row opens once 23 points are spent in Class Talents.

Connected above

The tree draws a line into Osmosis from Suppression.

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  Suppression

  Damage taken from area of effect attacks reduced by 3%. When suffering a loss of control effect, this bonus is increased by an additional 6% for 6 sec.

Connected below

Osmosis leads on to Rune Mastery.

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  Rune Mastery2 ranks

  Consuming a Rune has a chance to increase your Strength by 3% for 8 sec.

Same row

Also on this row: Insidious Chill, Runic Protection and Blood Draw.

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  Insidious Chill
• 
  Runic Protection

  Your chance to be critically struck is reduced by 3% and your Armor is increased by 6%.

• 
  Blood Draw

  When you fall below 30% health you drain (120% of Attack Power) health from nearby enemies, the damage you take is reduced by 10% and your Death Strike cost is reduced by 10 for 8 sec. Can only occur every 2 min.