Holy Oil is a very rare substance that can be found in Jerusalem. A circle of burning holy oil is so far the only way to trap a celestial being. Utilized properly, it is also one of the few substances that can kill all angels but Michael. It also has a level of effectiveness against demons, killing lower demons and causing severe pain to higher demons. It can work as a cure for Rabids. It is part of the ritual to create new bullets for the Colt.