6th Level Arcane and Wyrd Necromancy
Casting Time: 1 action
Range: 30 sqr. (45m)
Components: V, S, M (the powder of a crushed black pearl worth at least 500 gp)
Duration: instantaneous
A sphere of negative energy ripples out in a 12 sqr. (18m)-radius sphere from a point within range. Each creature in that area must make a Constitution saving throw. A target takes 8d6 necrotic damage on a failed save, or half as much damage on a successful one.