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

Shatter

Instead of piercing now detonates on the first enemy hit dealing 500% weapon damage as Physical to all enemies within 15 yards.

Unlocked at level 28

Shrapnel

Corpses now explode away from you, hitting all targets in a cone.

Corpse Explosion's damage turns into Poison.

Unlocked at level 33

Potency

Increases your armor by 100% for 2 seconds after casting.

Unlocked at level 34

Devouring Aura

Becomes an aura that consumes all corpses within 15 yards to restore 11 Essence per corpse.

The range of this effect is increased by 50% of your gold pickup radius.

Unlocked at level 38

Blood Golem

Active: The Golem sacrifices itself healing you for 25% of your health and reconstructs at the targeted location. As the Golem reconstructs, veiny tendrils damage nearby enemies for 450% weapon damage as Physical.

Unlocked at level 51