Blood of the Martyr

4th Level Necromancy
Blood of the martyr is a necromancy spell that transfers the caster's life force to heal others.  You may transfer your own life force directly to a target creature within range.  The creature takes the caster's transferred life as if receiving a cure wounds spell.  An unconscious target is considered a "willing creature" for purposes of this spell.
Casting Time (Swift): 1 action.
Effect:  Choose a target that you can see within 25 feet of you.  If it is living, it regains 1d8+4 of the caster's hit points.
  If the creature is undead, it must make a Con save.  It takes 4d8 necromantic damage on a failed save and half as much on a successful one.  While the caster takes 1/4 of the damage roll.