Sudden Impact

Bone spikes stun enemies for 1 second.

Unlocked at level 6

Brittle Touch

Enemies become brittle increasing their chance to be crit by 5% for 5 seconds each time they are hit with Corpse Lance.

Corpse Lance's damage turns into Cold.

Unlocked at level 21

Metabolism

Provides an additional charge but doubles the health cost.

Unlocked at level 60

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

Scent of Blood

Cursed enemies take 15% increased damage from your minions.

Unlocked at level 26

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