Devour

a maw of fangs rises from the ground and snaps shut on your target. they must make a dexterity saving throw against your spell modifier. on fail, they take 2d6 piercing damage. if this damage kills them you heal for the amount of health they had before the attack. if they survive, their speed is reduced by half. on success, nothing happens. if the target is one of your own summons, they die instantly and you heal for the full 12