Frost Spikes

Leaves a frost patch that reduces the movement speed of enemies by 60% for 2 secs.

Bone Spikes' damage turns into Cold.

Unlocked at level 25

Crystallization

Each enemy hit has their attack speed reduced by 20% and your attack speed is increased by 3% for 3 seconds stacking up to 10 times.

Bone Spear's damage turns into Cold.

Unlocked at level 25

Recklessness

Revived minions deal an additional 25% damage but last 10 seconds. Damage dealt is turned into Cold.

Unlocked at level 43

Ice Golem

Active: Command the Golem to launch an icy blast at the targeted location, freezing enemies for 3 seconds and increasing their chance to be critically struck by 10% for 10 seconds.

Command Golem's damage turns into Cold.

Unlocked at level 24

Transfusion

Heals for 2% of your maximum health for every enemy passed through.

Unlocked at level 40

Unconventional Warfare

Skeletons will rise from the ground and attack random targets for 50,000% total weapon damage as Physical over 4 seconds.

Unlocked at level 42