I seized some of the firewood which was by me, and holding out some of the Wafer, advanced on them towards the fire. They drew back before me, and laughed their low horrid laugh.

– Bram Stoker

Dracula, Chapter 27. Van Helsing confronts the three Brides of Dracula with fire and Holy Communion wafer. The vampiresses attempt to get Mina to leave and "come to us." But she remains protected from inside the Holy ring which Van Helsing has created with the sacramental wafers.