Incubus

Walter Stephens writes in his book Demon Lovers that some traditions hold that repeated sexual activity with an incubus or succubus may result in the deterioration of health, an impaired mental state, or even death.

An incubus may pursue sexual relations with a woman to father a child, as in the legend of Merlin,[9] which was the first popular account of demonic parentage in Western Christian literature.

The others are Confession, the Sign of the Cross or recital of the Hail Mary, moving the afflicted to another location, and by excommunication of the attacking entity, "which is perhaps the same as exorcism".

[11] In contrast, the Franciscan friar Ludovico Maria Sinistrari stated that incubi "do not obey exorcists, have no dread of exorcisms, show no reverence for holy things, at the approach of which they are not in the least overawed".

[12] One scientific explanation for the incubus concept could fall under the scope of sleep paralysis, as well as hypnagogia, as it is common to experience auditory and visual hallucinations in both states.

[14] "The Trauco", according to the traditional mythology of the Chiloé Province of Chile, is a hideous deformed dwarf who lulls nubile young women and seduces them.

In Hungary, a lidérc can be a Satanic lover that flies at night and appears as a fiery light (an ignis fatuus or will o' the wisp) or, in its more benign form as a featherless chicken.

[17] According to legend, a boto always wears a hat to disguise the breathing hole at the top of its head while in human form, metamorphosing back into a dolphin during the day.

In Swedish folklore, the mara or mare is a spirit or goblin that rides on the chests of humans while they sleep, giving them bad dreams (or "nightmares").

This supernatural being was believed to transform into a fiery dragon or young man, entering homes through chimneys, doors, or windows to seduce women by taking on the appearance of deceased spouses or lovers.

The character's appearance in Ukrainian literature, such as Lesya Ukrainka's "The Forest Song", illustrates the cultural impact of this entity, showcasing its role in shaping perceptions of the supernatural and influencing creative works.

[20][21][22][23] In the Xhosa, Pondo and Zulu cultures of South Africa, some variations of the impundulu resemble incubi as they are believed to appear as handsome men to seduce women and drink their blood.

Incubus , 1879
Illumination from a 13th-century French manuscript depicting the enchanter Merlin, left, conversing with a copyist monk, right
Merlin is said to have been born from the relationship of an incubus with a mortal (illumination from a 13th century French manuscript)