Feat: Necromantic Lifesense

Your connection to life and death allows you to sense the life force of a creature with a glance. You gain lifesense as an imprecise sense with a range of 30 feet. This allows you to sense the life force of living and undead creatures within the listed range. The sense can distinguish between the vitality energy animating living creatures and the void energy animating undead creatures, much as sight distinguishes colors.

Additionally, you know the current Hit Points and temporary Hit Points of any living or undead creature you can see within 30 feet.