Necromancy cantrip
Casting Time: 2 actions
Components: V, S
Duration: Instantaneous
Range: Touch
Target:
You touch a target and make a melee spell attack against it. On a hit, the target takes 1d10 necrotic damage, and an additional 1d10 when you reach levels 5 (2d10), 11 (3d10), and 17 (4d10), and it can't regain hit points until the end of your next turn.