Let Terror Reign

In the Frost Death Knight talent tree, Let Terror Reign sits in the Rider of the Apocalypse hero talent tree, row 3 of 5. It is a single-point node. Its row opens once 1 points are spent in Rider of the Apocalypse.

Connected above

The tree draws a line into Let Terror Reign from Ride or Die!.

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  Ride or Die!

  Pillar of Frost summons forth Trollbane for 6 sec.

Connected below

Let Terror Reign leads on to Unholy Armaments.

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  Unholy Armaments

  The abilities that Horsemen cast deal 5% increased damage. Your Ghoul and skeletal archer deals 10% and Lesser Ghouls deal 20% increased damage.

Same row

Also on this row: Whitemane's Famine, Nazgrim's Conquest and Trollbane's Icy Fury.

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  Whitemane's Famine
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  Nazgrim's Conquest

  If an enemy dies while Nazgrim is active, the strength of Apocalyptic Conquest is increased by 3%. Additionally, each Rune you spend increase its value by 1%.

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  Trollbane's Icy Fury

  Deals reduced damage beyond 8 targets.