Aura of Frailty

Becomes an aura that curses all enemies within 15 yards.

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

Unlocked at level 39

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

Metabolism

Provides an additional charge but doubles the health cost.

Unlocked at level 60

Skeleton Archer

Raise a Skeleton Archer that deals 400% weapon damage as Cold.

Skeleton Archers increase your attack speed by 3% for 5 seconds each time they deal damage. Max 10 stacks.

Unlocked at level 19

Harvest of Anguish

Bone Armor also increases your movement speed by 1% for each enemy hit.

Bone Armor's damage is turned into Cold.

Unlocked at level 48

Frozen Lands

Enemies in the Land of the Dead are periodically frozen.

Unlocked at level 43