Necromancy cantrip
Casting Time 1 action
Duration Instantaneous
Range 60 feet
Components V S

A target you choose must succeed on a Wisdom saving throw. If it's is missing any hit points, it takes 1d12 necrotic damage, or otherwise, it takes 1d8.

The spell's damage increases by one die when you reach 5th, 11th, and 17th level.