Pillar of Frost

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

Connected above

The tree draws a line into Pillar of Frost from Frostbound Will.

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  Frostbound Will

  Consuming Rime reduces the cooldown of Empower Rune Weapon by 6 sec.

Connected below

Pillar of Frost leads on to Rage of the Frozen Champion, Enduring Strength and Frozen Dominion.

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  Rage of the Frozen Champion

  Frost Strike and Glacial Advance have a 15% increased chance to trigger Rime and Howling Blast generates 8 Runic Power while Rime is active.

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  Enduring Strength

  When Pillar of Frost expires, your Strength is increased by 8% for 6 sec. This effect lasts 2 sec longer, up to 20 sec, for each Obliterate and Frostscythe critical strike during Pillar of Frost.

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  Frozen Dominion

  Pillar of Frost now summons a Remorseless Winter that lasts longer. Each enemy Remorseless Winter damages grants you Mastery, for 15 sec.

Same row

Also on this row: Inexorable Assault, Frostreaper, Icy Onslaught and Gathering Storm.

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  Inexorable Assault

  Obliterate and Frostscythe consume up to 3 stacks, dealing an additional (26.3% of Attack Power) Frost damage for each stack consumed.

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  Frostreaper

  Obliterate deals 10% increased damage and has a chance to tether the souls of its target and a nearby enemy to yours. Frost Strike severs the tethers, dealing (411.8% of Attack Power) Shadowfrost damage to both foes.

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  Icy Onslaught

  Frost Strike and Glacial Advance now cause your next Frost Strike and Glacial Advance to deal 15% increased damage and cost 5 more Runic Power. This effect stacks until the next Runic Empowerment.

• 
  Gathering Storm