Eudaimon

In Heathen days it was fancied that an Eudaimon or healing spirit lingered at the spot, and this idea was not confined to peasants or the illiterate, but it was fostered and stirred to active life by the wise men of the day.

Source: wiktionary

In these days we ascribe the virtues of those wells, simply to the internal and external use of water; at least, the majority among us no longer believes, that such wells are efficacious because they are holy, although this was the ordinary creed of our ancestors, and not only of unprofessional people, for philosophers, like Van Helmont, expressed their belief in the presence of an Eudaimon, or benevolent spirit, in healing waters.

Source: wiktionary

For meanwhile the Church had decided that all the classic influences, Eudaimons or Good Spirits as well as Kakodaimons or Bad Spirits were devils.

Source: wiktionary

In the Egyptian, Grecian, and, above all, the Roman theogonies it is not always easily discernible whether the ‘spirits’ to which men appeal for help or success in their enterprises are good or evil, and Iamblichus and Porphyry exhibit a diverting confusion between angels and demons, good and evil spirits, eudaimons and kakodaimons.

Source: wiktionary