Detect Aura

You project your sense further into the world around you. For the duration, you are able to sense auras of any being in a 20-feet radius around you. This effect cannot penetrate physical barriers thicker than 5 feet and does not detect creatures affected by Greater Invisibility. This spell also does not detect the real auras of creatures under the effects of Illusion magic, but instead shows the aura of the illusory form.