The Guardian Spirit Sense is a special sixth sense-like attribute that allows humans to sense the presence of guardian spirits based on their Essence. Any person is able to acquire this skill, whether they are inherently born with it or through practice. In addition, every guardian spirit naturally possess the skill.
The following is a list of people known to have the Guardian Spriit Sense (excluding other guardian spirits, as they all possess the ability):
The Guardian Spirit Sense allows one to sense the presence of nearby guardian spirits within a specific range by detecting the Essence that comes off a spirit's Soul. Higher skill is required to determine the spirit's shape and form as well as their elemental alignment. In rare cases, a guardian spirit can be powerful enough to suppress their presence and avoid detection.