Sudden Impact

Bone spikes stun enemies for 1 second.

Unlocked at level 6

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

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

Cursed Form

While active, your curse skills now apply all three curses.

Unlocked at level 62

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

Transfusion

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

Unlocked at level 40