Casting Time: 1 action
Range: 150 feet
Components: V, S, M (the powder of a crushed black pearl worth 500+ GP)
Duration: Instantaneous
Negative energy ripples out in a 60-foot-radius Sphere from a point you choose within range. Each creature in that area makes a Constitution saving throw, taking Necrotic damage on a failed save or half as much damage on a successful one.
Using a Higher-Level Spell Slot
The damage increases by for each spell slot level above 6.