Circle of Death
Source: Player’s Handbook
6th-level necromancy
Casting Time: 1 action
Range: 150 feet
Components: V, S, M (the powder of a crushed black pearl worth at least 500 gp)
Duration: Instantaneous
Negative energy ripples out in a 6O-foot-radius Sphere from a point you choose within range. Each creature in that area makes a Constitution saving throw, taking 8d8 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 2d8 for each spell slot level above 6.
