Direct your magical might through a sacrifice, gaining a spell slot of one level higher than the slot used for this spell, consuming a freshly killed corpse with the dark of the Shadowfell. If you could not normally have a spell slot of a level created with this spell, you take a number of d6 necrotic damage equal to the level of the spell slot created.
Material Component:
a freshly sacrificed medium corpse
Verbal Component:
Nox Cultum Ritus