Ricochet

Corpse Lance has a 20% chance to ricochet to one additional target.

Corpse Lance's damage turns into Poison.

Unlocked at level 34

Plaguelands

Enemies in Land of the Dead suffer 100% weapon damage as Poison each second, up to a maximum of 10,000% weapon damage total.

Unlocked at level 48

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

Molting

Leaves a corpse at your original location when used.

Unlocked at level 49

Blighted Marrow

Damage is increased by 15% for each enemy Bone Spear passes through.

Bone Spear's damage turns into Poison.

Unlocked at level 7