Black Ice


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Black Ice is a rune effect in Ray of Frost, an Offensive Wizard skill.

This rune effect creates ice puddles where monsters die from the attack. These patches of ice deal 193% weapon damage over three seconds to enemies that move through them. The ideal way to use this rune effect is to kill an enemy where others are going to have to stand, thus ensuring that the cold damage radiates to them all for the full three seconds.

Skill Rune Effects[edit]

Refer to the Ray of Frost rune effects article for thorough descriptions of all five rune effects in this skill, including screenshots, videos, strategy tips, and other related information.

Name Level Description
Ray of Frost

1 Cost: 16 Arcane Power

Project a beam of frozen ice that blasts enemies within 5 yards of the first enemy hit for 430% weapon damage as Cold and Slows their movement by 60% for 3 seconds.

Ray of Frost damage is increased by 405% weapon damage every second, up to a maximum total of 1240% weapon damage as Cold.

MedRuneE Black Ice
1 Enemies killed by Ray of Frost leave behind a patch of ice that deals 1625% weapon damage as Cold to enemies moving through it over 3 seconds.


Screenshots and movies will be added post-release.


Prior to the skill revision in February 2012, this rune effect was enabled by the Alabaster Rune, granting the following effect with a level 7 runestone:

Black Ice


Enemies who die leave a patch of ice on the ground that causes 385% weapon damage per second as Cold to enemies moving through it.