Vampire off revenants—are common in vampire folklore. Garlic is a common example, a branch of wild rose and hawthorn plant are said to harm vampires, and in Europe, sprinkling mustard seeds on the roof of a house was said to keep them away. Other apotropaics include sacred items, for example a crucifix, rosary, or holy water. Vampires are said to be unable to walk on consecrated ground, such as that of churches or temples, or cross running water. Although not traditionally regarded as an apotropaic, mirrors have been used to ward off vampires when placed, facing outwards, on a door (in
Brides of Dracula Helsing and Mina Harker. Sensing that Mina is cursed with vampirism, they beckon her to join them, referring to her as their "sister" and promising not to harm her. However, Van Helsing had previously crushed a Sacred wafer and scattered it in a circle around the campsite. Due to this protective barrier both Mina and the sisters are unable to cross its border. Although the Vampires kept away from the camp they remained in the darkness until sunrise to which they fled back to the castle. At the coming of daylight, Van Helsing finds that their horses are dead (He