Heart of Ice

30% increased Cold Damage
Damage Penetrates 6% Cold Resistance [1]

Heart of Ice is a notable passive skill that grants increased cold damage and additional penetration against cold resistance.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Crimson Oil	Opalescent Oil	Golden Oil	Heart of Ice	30% increased Cold Damage Damage Penetrates 6% Cold Resistance

Version	Changes
3.16.0	[Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.] Now grants 30% increased Cold Damage (up from 25%). No longer grants 0.2% of Cold Damage Leeched as Energy Shield.
3.6.0	Now grants 0.2% of Cold Damage Leeched as Energy Shield.
3.3.0	Now grants Damage Penetrates 6% Cold Resistance (up from 3%).
2.0.0	Now grants Damage Penetrates 3% Cold Resistance (up from 2%).
1.2.0	Heart of Ice also grants cold resistance penetration, but no longer grants life and energy shield. The area surrounding the Witch, Shadow and Ranger has been redesigned. Many values have been adjusted.
1.0.0	Several life passives have been removed from the tree or integrated into nearby nodes.