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

Cursed Scythe

Enemies hit by the scythe have a 15% chance to be inflicted with a random curse.

Grim Scythe's damage turns into Poison.

Unlocked at level 33

Potency

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

Unlocked at level 34

Reservoir

Your maximum essence is increased by 100% while your Simulacrum is active.

Unlocked at level 63

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