famenne

In Famenne, a district of Namur, men and cattle who traversed the Lenten fires were thought to be safe from sickness and witchcraft. Anybody who saw seven such fires at once had nothing to fear from sorcerers.

Sir James George Frazer - Balder the Beautiful, Volume I.: A Study in Magic and Religion: the Golden Bough, Part VII., The: Fire-Festivals of Europe and the Doctrine of the External Soul