It is, however, idle to deny that the cult of evil has always existed; the invocation of the powers of darkness was practised in the earliest days of the human race and, after the Christian era, found its expression, as we have seen, in the Cainites, the Euchites, and the Luciferians. These are not surmises, but actual facts of history. Towards the end of the twelfth century Luciferianism spread eastwards through Styria, the Tyrol, and Bohemia, even as far as Brandenburg; by the beginning of the thirteenth century it had invaded western Germany, and in the fourteenth century reached its zenith in that country, as also in Italy and France. The cult had now reached a further stage in its development, and it was not the mere propitiation of Satanael as the prince of this world practised by the Luciferians, but actual Satanism--the love of evil for the sake of evil--which formed the doctrine of the sect known in Italy as _la vecchia religione_ or the "old religion." Sorcery was adopted as a profession, and witches, not, as is popularly supposed, sporadic growths, were trained in schools of magic to practise their art. These facts should be remembered when the Church is blamed for the violence it displayed against witchcraft--it was not individuals, but a system which it set out to destroy. The essence of Satanism is desecration. In the ceremonies for infernal evocation described by Eliphas Lévi we read: "It is requisite to profane the ceremonies of the religion one belongs to and to trample its holiest symbols under foot."[223] This practice found a climax in desecrating the Holy Sacrament. The consecrated wafer was given as food to mice, toads, and pigs, or denied in unspeakable ways. A revolting description of the Black Mass may be found in Huysmans's book _Là-bas_. It is unnecessary to transcribe the loathsome details here. Suffice it, then, to show that this cult had a very real existence, and if any further doubt remains on the matter, the life of Gilles de Rais supplies documentary evidence of the visible results of black magic in the Middle Ages.