As an action, you siphon life force from a creature that you can touch or see within 5 meters to heal your wounds. The creature must make a Fortitude saving throw. If the creature is a construct or an undead, the spell has no effect on it.
On a failure, it takes 1d6 necrotic damage.
On a critical failure, it takes twice as much damage.
On a success, it takes half as much damage.
On a critical success, it takes no damage.
You gain temporary health equal to half the amount of necrotic damage dealt.
At higher levels
This spell’s damage increases by 1d6 when you reach 9th level (2d6) and 17th level (3d6).