Circle of Death

D&D 2024 spell: Circle of Death. Source: Player's Handbook (2024). level 6, school Necromancy, casting time 1 action, range 150 feet, duration Instantaneous

Negative energy ripples out in a 60-foot-radius Sphere [Area of Effect] 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.

At Higher Levels

Using a Higher-Level Spell Slot The damage increases by 8d8 for each spell slot level above 6.

Source: Player's Handbook (2024), p. 250 - Licenses and attribution