Drain Blood

You jab your proboscis into the required creature to consume their blood. Attempt an Athletics check against the target's Fortitude DC. You automatically succeed on this check if the target is Paralyzed, Unconscious, or willing (but you still roll to see if you get a critical success). On a success, the creature becomes drained 1 (drained 2 on a critical success), and you gain temporary Hit Points equal to the target's level that last for 10 minutes.