sentences:  Barg is used by the Shadowfolk Makai Knights as a means of purifying their blades.It is usually sealed in a deep well in a small shrine guarded by the Shadowfolk Knights and lays dormant.However, it can awaken from the slightest of physical disturbance, evident from being awakened when a young Knight peered into the well out of curiosity and a drop of his sweat landed onto Barg.