Vampiric Grasp

5th-level Necromancy
Casting Time: 1 action
Range: Self
Components: V, S
Duration: Instantaneous
Your touch a creature, drawing out its life force. Make a melee spell attack against a creature within your reach. On a hit the creature takes 6d8 necrotic damage and you regain hit points equal to half the necrotic damage dealt. In addition the creature must make a constitution saving throw or be incapacitated.
At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the damage increases by 1d8 for each slot level above 5th.