Thou mayest be to all who take thee health of body and soul; that wherever thou art sprinkled every phantasy and wickedness and wile of diabolic deceit may flee and leave that place, and every unclean spirit"; a prayer to God for the blessing of the salt follows; then the "creature of water" is exorcized, "that thou mayest become exorcized water for the purpose of putting to flight every power of the enemy, that thou mayest avail to uproot and expel this enemy with all his apostate angels, by the virtue of the same our Lord Jesus Christ, &c."; and again a prayer to God follows that the water may "become a creature in the service of His mysteries, for the driving out of demons, &c."
In the formulae of blessings that follow, the special efficacy against devils is implied by the aspersion with holy water; the benedictions themselves are usually merely invocative of the divine protection or assistance, though, e.g., in the form for blessing sick animals the priest prays that "all diabolic power in them may be destroyed, and that they may be ill no longer."
So Merlin preserves his diabolic origin; Arthur his mystic coming and his mystic passing; while Gawain, and after him Lancelot, journey across the river, as the Irish hero Bran had done before them to the island of fair women - the Celtic vision of the realm of death.
Some Evangelical clergymen discovered by this means that the spirits who caused the movements were of a diabolic nature, and some amazing accounts were published in 1853 and 1854 of the revelations obtained from the talking tables.
He used prayer and fasting to deliver himself from evil enchantment; and when he saw ecstatic and mystical visions promising him the Lord's help and great usefulness in the Lord's work, he feared that these revelations might be of diabolic origin.