Soul Reading is the ability to appraise or assess one's soul or energy. Though it is most notably a trait held by faerie, there are other creatures that possess this ability as well. Creatures with this ability are capable of sensing damage to one's soul and sense certain aspects about the soul. In some cases, they can even read a person's individual energy.
Since Soul Reading is such a complex ability and the brain sometimes has troubles processing it, the sixth sense usually manifests through other senses. For instance, some people are capable of smelling souls while others are capable of seeing the soul's energy.