Objects of faith

Objects of faith, such as Harry's pentacle necklace or Michael's cross, are tokens of a person's belief which can help repel certain creatures of the Nevernever. Red and Black Court vampires are susceptible to faith magic and can be harmed or possibly killed if they touch an object which embodies a person's faith.

In Storm Front, Dresden uses his pentacle necklace to repel the vampire Bianca; with a small infusion of will, he pentacle begins to emit a glow that forces her away.

In Grave Peril, both Michael and Susan repel several Red Court vampires by using crosses.

It is important to note that objects of faith do not necessarily have to be of Christian origin e.g. crosses and crucifixes. Any symbol which represents an individual's spiritual beliefs or ideals has power. Harry believes in the power of magic - the four elements controlled by the human spirit, represented by the pentacle - and thus his necklace is an object of faith.