Draining smite

The first time you hit with a melee weapon attack during this spell’s duration, your weapon will have dark necromantic energy surrounding it, when the attack hits it deals an additional 2d6 necrotic damage. You restore an amount of health equal to the necrotic damage dealt. (upon crit the healing recieved from this spell is halved)

when cast with a spells slot of 3 or higher add an additional d6 die is added to the damage