Hemoglobe

Necromancy Cantrip
Casting Time: 1 action
Range: 60 feet
Components: S
Duration: Instantaneous
You create a small globe of blood and hurl it at a target. Make a ranged spell attack. On a hit, the target takes 1d6 necrotic damage and you regain hit points equal to half the amount of necrotic damage dealt.
At Higher Levels. The spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).