Vampiric Touch

Casting Time; 1 action, Range; Self,
Duration: 1min.
Make a melee spell attack against a creature
within your reach. On a hit, the target takes
3d6 {b} damage, and you regain hit points equal
to half the amount of necrotic damage dealt.
Until the spell ends, you can make the attack
again on each of your turns as an action.
At Higher Levels: Increases by 1d6 for {x} slot
level above 3rd.
(Warlock, Wizard, Death Domain, Grave Domain)