Channeling the chill of the grave, make a melee spell attack against a target within reach. On a hit, the target takes 1d10Necrotic damage, and it can't regain Hit Points until the end of your next turn.
Cantrip Upgrade
The damage increases by 1d10 when you reach levels 5 ( 2d10), 11 ( 3d10), and 17 ( 4d10).